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COVID-19 SUPPORT
Brake Products is open with a smaller staff and less hours as a Critical Supplier to the Steel Industry. We are doing our part to mitigate the spread of the virus by complying with the requests by our Federal and State Governments.
 
BPI has inventory and is ready to assist you with your required products and parts. Our priority is to keep U.S. Manufacturing running without delay. Call us at (440) 543-7962 or email us at sales@brakeproducts.com
 
We are ready to help.
 
John Hooper, President
Brake Products, Inc.
 
Web: www.RenoldDirect.com Email: sales@RenoldDirect.com Phone: (888) 861-8777
 
Pin and Bush Couplings


 
Documentation
 
  •   Pin and Bush Couplings Brochure
  •   Replacement and installation instructions for new urethane bushing assemblies
 
Easy Order Shortcuts
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1 REN-1-SHR-KIT Gasket & Bolt Kit, Flange Accessories 
For a # 1 O'Ring Gear Coupling 6901-108-2 
With Shrouded Bolts 
Dated 9/15
- 0 $20.00
2 REN-10126 Renold Ajax Bushing 
Part 10126 
Steel Pan Arm Bushing 
For a Vibratory Conveyor 
Ships in 3 Days, Westfield NY 
Dated 01-2020
- 0 $53.00
3 REN-1601-000-000 Renold Ajax Cement 
REN-1601-000-000 
Neoprene Bronze Bushing Cement 
1/2 Pint Can 
[Amazon] 
(1LB) H 4" L 5" W 4" Box
0 $31.43
4 REN-17318-4 Renold Ajax Shaft, D200 on a Vibratory Conveyor - 0 $1,135.00
5 REN-1858-0300-001 Renold Ajax #3 Bushing Neoprene / Bronze. S Series Coupling 1-1/2 & 2. For PB Series Coupling 1. Obsolete Couplings 1A, 1-1/4A & 417. Bushings are installed with adhesive purchased separately. Temperature range -65 degree to 285 degree F. 
Dated 1-20 
(1LB) H 4" L 5" W 4" Box
0 $18.57
6 REN-1858-0400-001 Renold Ajax #4 Bushing Neoprene / Bronze 
Part 1858-0400-001 
S Series Coupling 1-1/2 & 2. For PB Series Coupling 1 
Obsolete Couplings 1A, 1-1/4A & 417 
Bushings are installed with adhesive purchased separately 
Temperature range -65 degree to 285 degree F 
Dated 1-20 
(1LBS) H 4" L 5" W 4" Box
0 $22.86
7 REN-1858-0450-001 Renold Ajax Bushing #4-1/2 Neoprene Bronze 
Part 1858-0450-001 
aka 18580450001 
1.25 OD / 0.625 ID / 1.00 Inch Long less the flange 
For S Series Coupling 1-1/2 & 2  
For Obsolete Coupling 422 
Cementing or Bonding Required 
Part REN-1601-000-000 Renold Ajax Bushing Cement 1/2 Pint Can 
Cement not included 
Temperature range -65 to 200 Degree F 
Used with Stud Part Stud 4.5 Not Included 
Dated 1-20 
(1LB) H 4" L 5" W 4" Box
- 0 $24.29
8 REN-1858-0500-001 Renold Ajax #5 Bushing Neoprene / Bronze 
Part 1858-0500-001 
aka 18580500001 
For S Series Coupling 2 & 1/2 
For PB Series Coupling 1 & 1/2 
Obsolete Couplings 1 & 3/8, 1 & 1/2, 1 & 3/4 
Bushings are installed with adhesive cement purchased separately 
Temperature range -65 degree to 285 degree F 
6 or 12  
Dated 1-20 
(1LB) H 4" L 5" W 4" Box
- 5 $25.71
9 REN-1858-0600-001 Renold Ajax #6 Neoprene / Bronze Bushing 
Part 1665-0600-001 
aka 16650600001 
For PB Series Coupling 2 
For S Series Coupling 3 
For 2A & 2-3/8A Obsolete Couplings 
1.375 Inches Long 1.625 OD 13/16 ID  
Bushings are installed with adhesive 
cement purchased separately 
Temperature range -65 degree to 285 degree F 
NSN 3120-01-181-1455 Gov # 
Dated 1-20 
(1LB) H 4" L 5" W 4" Box
38 $30.00
10 REN-1858-0700-001 Renold Ajax #7 Bushing Neoprene / Bronze 
Part REN-1858-0700-001 
For PB Type 2-1/2, 3, 3-1/2, S Type 3 
Obsolete Couplings 2-3/4A, 3-1/8A  
Bushings are installed with adhesive cement purchased separately 
Temperature range -65 degree to 285 degree F 
[Amazon] Dated 1/18 
(1LBS) H 4" L 5" W 4" Box
9 $55.71
11 REN-1858-0800-001 Renold Ajax #8 Bushing Neoprene / Bronze 
Part 1858-0800-001 
aka 18580800001 
For Type 4PB, 4S, 1A, 3-5/8A, 4-1/2A, 5A & 5-1/2A Couplings 
Bushings are installed with adhesive cement purchased separately 
Temperature range -65 degree to 285 degree F 
Dated 1-20 
(1LB) H 4" L 5" W 4" Box
- 0 $47.14
12 REN-1858-0900-001 Renold Ajax #9 Bushing Neoprene / Bronze 
Part 1858-0900-001 
aka 18580900001 
For Type 4 & 1/2 S & 6A Couplings 
2 & 1/2 Inch Diameter 
2 & 3/8 Inches Long 
With a 1 & 1/8 Inch Inside Diameter 
Bushings are installed with adhesive cement purchased separately 
Temperature range -65 degree to 285 degree F 
Dated 1-20 
(1LB) H 4" L 5" W 4" Box
0 $65.71
13 REN-1858-1000-001 Renold Ajax #10 Bushing Neoprene / Bronze 
Part 1858-1000-001 
aka 18581000001 
For Coupling S Series Size 5 7 6 
Obsolete Coupling Size 6-1/2A 
Bushings are installed with adhesive cement purchased separately 
Temperature range -65 degree to 285 degree F 
Dated 1-20 
(1LB) H 4" L 5" W 4" Box
- 0 $98.57
14 REN-1905-250-1 Renold Ajax Coupling, Type "S" Pin & Bushing Coupling, Size 2 & 1/2 with a rough bore 
[NSN 3010-01-131-7461]
- 0 $1,330.00
15 REN-2-1/2 S FINISHED Renold Ajax Type S Forged Steel Pin & Bushing type Coupling with a Finished Bore, 2.5 Inch Maximum bore, Maximum RPM 3600, Maximum H.P. @ 100 RPM 17.5, Maximum Torque LB. - Inch X 10 to the 3rd power. Fail safe design. Cushions vibration and shock. No lubrication required. Operates horizontally or vertically. Permits free end float. (33LBS) - 0 $1,764.29
16 REN-2-1/2 S PILOT Renold Ajax Forged Steel Pin & Bushing type Coupling. Pilot Bore 1/2 Inch, 2.5 Inch Maximum bore, Maximum RPM 3600, Maximum H.P. @ 100 RPM 17.5, Maximum Torque LB. - Inch X 10 to the 3rd power (33LBS) - 0 $1,330.00
17 REN-2-SHR-KIT Renold Ajax Flange Accessories for #2 Shrouded Bolt Coupling - 0 $24.28
18 REN-2638-1200-001 Renold Ajax Pinion Stub 
Part 2638-1200-001 
For a #12 Vibratory Conveyor 
Ships from Stock, Westfield NY 
Dated 06-2020
- 0 $621.25
19 REN-2639-1000-020 Renold Pinion, Drive Pinion on a 10 DF Shaker, Item 7 - 0 $364.00
20 REN-2639-1200-001 Renold Ajax Pinion Drive 
Part 2639-1200-001 
For a #12 Vibratory Conveyor 
Ships from Stock, Westfield NY 
Dated 06-2020
- 0 $726.25
21 REN-2655-1000-001 Renold Ajax Key, Weight Key on a # 12 Shaker - 0 $3.00
22 REN-2663-1000-002 Renold Shaft V-Ring 
For a # 10 DF Shaker 
Item 12 
Ships from Stock 
Dated 1-19
- 0 $32.86
23 REN-2666-1200-001 Renold Ajax Key, O'Ring  
Part 2666-1200-001 
For a Vibratory Conveyor 
Ships from Stock, Westfield NY 
Dated 06-2020
- 0 $27.50
24 REN-450 Renold Ajax # 450 Rigid Half Coupling, 4857-1275-500, includes 14, .625 -11 X 3.25" body bound bolts & 14, lock washers - 0 $1,450.00
25 REN-4640-0300-001 Renold Ajax Gear. 300 DS Hub Gear for 6 & 1/2 Degree Mis-Alignment, Rough Bore - 0 $360.00
26 REN-4661-0300-001 Renold Ajax Seal. Grease Seal on a DS300 Spindle Coupling, Item #8, 2 Required - 0 $61.70
27 REN-4661-0500-001 Renold Ajax Seal, Grease / Lip Seal on a D-500 Model 4140 HT Spindle Coupling, Drawing 4904-0500-045 - 0 $178.00
28 REN-4736-0560-006 Renold Ajax Ring Gear Sleeve, 300 DS - 0 $760.00
29 REN-4736-0743-046 Renold Ajax Sleeve - 0 $2,533.75
30 REN-4760-0587-250 Renold Ajax "O" Ring on a DS300 Spindle Coupling, Item #8, 2 Required - 0 $24.38
31 REN-4777-0450-039 Renold Hardened Insert, Item 24 - 0 $606.25
32 REN-4877-0450-002 Renold Plunger Sub Assembly, Item 19 - 0 $1,743.00
33 REN-4901-250-1 Renold Ajax "D" Series Full Flex Coupling 
Part 4901-250-1 
Size 250 
Adapters, & Hub Gears with Finished Bores & Keyways 
Gear Teeth are Induction Hardened 
Exposed Flange Bolts 
Maximum Offset 3.5 Degrees 
Maximum Bore 2.63 Inches 
Ships in , NY Westfield 
Dated 1-2020 
(100LBS)
- 0 $2,931.43
34 REN-4908-0200-003 Renold Ajax Coupling. D Series Flex Rigid - 0 $1,568.57
35 REN-4S FINISHED Renold Ajax Type S Forged Steel Pin & Bushing Coupling with a Finished Bore, 4 Inch Maximum bore, Maximum RPM 3600, Maximum H.P. @ 100 RPM 74, 46.7 Maximum Torque LB. - Inch X 10 to the 3rd power. Fail safe design. Cushions vibration and shock. No lubrication required. Operates horizontally or vertically. Permits free end float. (127LBS) - 0 $4,452.86
36 REN-550 Renold / Ajax "D" Series Coupling, Size 550 , 3 & 1/2 Degree Misalignment, Recessed Bolt Heads, Full Flex - 0 $10,312.00
37 REN-6632-0358-1 Renold Ajax Ring Gear with Seal. Size 3 - 1/2 with seal # 666-0356-1 - 0 $228.57
38 REN-6641-108-1 Renold Ajax Gear Hub 
aka 6641-0108-001
- 0 $46.67
39 REN-6641-608-1 Renold Ajax Hub Gear 
For a Size 6 Gear Coupling 
Rough Bore 
aka REN-6641-0608-001
- 0 $1,185.33
40 REN-6656-0350-1 Renold / Ajax Rigid Half Coupling. Size 3-1/2 with Shrouded Bolts - 0 $327.50
41 REN-6801-0208-002 Renold Ajax O-Ring Seal Flex Half # 2 Gear Coupling with Shrouded Bolt Holes. Available options include finished bores & hardware - 0 $168.00
42 REN-6801-0258-001 Renold Ajax Coupling #2-1/2 FH Exposed Bolts, Rough Bore - 0 $217.00
43 REN-6801-308-1 Renold Ajax #3 Flex Half "O" Ring Seal Coupling - 0 $308.75
44 REN-6906-0308-608 Renold Ajax Coupling 
Part REN-6906-0308-608 
Mill Motor O Ring Seal Coupling 
Full-Flex 
Size 3 American Standard 
Flex 1/2 608 Motor Frame with the Tapered Bore & Keyway  
Flex 1/2 Straight Bore with a Machine Finished Bore & Keyway to AGMA Standards 
4 Inch Maximum Bore with a 1 Inch Square Keyway 
Dated 1/17
- 0 $1,263.75
45 REN-6908-308-1 Renold Ajax Flex-Rigid O'Ring Seal Gear Coupling, Size 3 Rough Bore - 0 $676.25
46 REN-788-074-00-000 Renold Ajax Washer, 788-074-00-000 Flat Washer, W-6 0.076 ID, 1.50 OD, 0.125 Thick - 0 $3.00
47 REN-792-437-62-003 Renold Coil Spring, Item 21 - 0 $637.50
48 REN-A-359-BD Renold Ajax Size 3-5/8 Complete Brake Drum Coupling per drawing WIH-1024 - 0 $7,198.00
49 REN-1665-1000-001 Renold Ajax Bushing 
Part 1665-1000-001 
aka 16651000001 
#10 Urethane Bushing 
For S Series Couplings Sizes 5 & 6 
Obsolete Coupling Size 6-1/2A 
Flange Design, no cementing or bonding required 
Temperature Range -65 to 200 Degree F 
F = 2.500 Inch Barrel Diameter 
G = 2.875 Inch Overall Length 
E = 1.25 Inch ID for Pin Diameter 
Sold each 
Dated 1-20 
(1LBS) H 4" L 5" W 4" Box
2 $58.57
50 REN-1665-0300-001 Renold Ajax #3 Bushing Urethane 
Part 1665-0300-001 
aka 16650300001 
0.938 OD / 0.438 ID / 0.625 Inch Long Less the Flange 
For obsolete "A" coupling 3/4" 
For obsolete 400 coupling #412 
Flange design, no cementing or bonding required 
Temperature range -65 degree to 200 degree F 
Dated 1-20 
(1LB) H 4" L 5" W 4" Box
24 $11.43
51 REN-1665-0450-001 Renold Ajax Bushing 
Part 1665-0450-001 
#4-1/2 Urethane Bushing 
For S Series Coupling 1-1/2 & 2  
For Obsolete Coupling 422 
Flange Design, no cementing or bonding required 
Temperature range -65 to 200 Degree F 
F = 1.250 Inch Barrel Diameter 
G = 1.000 Inch Overall Length 
E = 0.625 Inch ID for a 4.5 Pin Diameter 
Used with Stud Part Stud 4.5 Not Included 
Normally a Stock Item @ BPI 
Ship from Stock to 1 Week 
Dated 1-20 
(1LB) H 4" L 5" W 4" Box
24 $14.29
52 REN-1665-0400-001 Renold Ajax #4 Bushing Urethane 
Part 1665-0400-001 
aka 16650400001 
#4 Urethane Bushing 
For PB Series Coupling 1 
For S Series Coupling 1 
For Obsolete Couplings 1A, 1-1/4A, 417 & 523 
Flange design, no cementing or bonding required 
Temperature range -65 to 200 Degree F 
F = 1.125 Inch Barrel Diameter 
G = 0.750 Inch Overall Length 
E = 0.5625 Inch ID for Pin Diameter 
Dated 1-20 
(1LB) H 4" L 5" W 4" Box
3 $12.86
53 REN-1665-0600-001 Renold Ajax Bushing 
Part 1665-0600-001 
aka 16650600001 
#6 Urethane Bushing 
For PBS Series Coupling Size 2  
For S Series Coupling Size 3 
Obsolete Couplings 2A & 2-3/8A 
Flange Design, no cementing or bonding required 
Temperature range -65 to 200 Degree F 
F = 1.625 Inch Barrel Diameter 
G = 1.375 Inch Overall Length 
E = 0.8125 Inch ID for Pin Diameter 
NSN 5365-01-355-2676 
Dated 1-20 
(1LBS) H 4" L 5" W 4" Box
14 $18.57
54 REN-1665-0800-001 Renold Ajax Bushing  
Part 1665-0800-001 
aka 16650800001 
#8 Urethane Bushing 
S Series Coupling 4S 
PB Series Coupling 4 
Obsolete Couplings 3-5/8A, 4A, 4-1/2A, 5A, 5-1/2A & 427 
Flange design, no cementing or bonding required 
Temperature range -65 degree to 200 degree F  
F = 2.000 Inch Barrel Diameter 
G = 1.875 Inch Overall Length 
E = 1.000 Inch ID for #8 Pin Diameter 
Normally a Stock Item @ BPI 
Ships from Stock to 1 Week 
Dated 1-20 
(1LBS) H 4" L 5" W 4" Box
12 $28.57
55 REN-1665-0900-001 Renold Ajax Bushing 
Part 1665-0900-001 
aka 16650900001 
#9 Urethane Bushing 
For S Series Coupling 4 & 1/2 
For Obsolete Couplings 6A 
Flange design, no cementing or bonding required 
Temperature range -65 degree to 200 degree F 
F = 2.250 Inch Barrel Diameter 
G = 2.375 Inch Overall Length 
E = 1.125 Inch ID for Pin Diameter 
Dated 1-20 
(1LBS) H 4" L 5" W 4" Box
12 $40.00
56 REN-D200 Renold Ajax Shaft 17318-4 on a Vibratory Conveyor - 0 $1,135.00
57 REN-D250 Renold Ajax "D" Series Full Flex Coupling, Size 250 with Finished Bores & Keyways. Gear Teeth are Induction Hardened. Exposed Flange Bolts. Maximum Offset 3.5 Degrees, Maximum Bore 2.63 Inches (100LBS) 4901-250-1 4/9 - 0 $1,655.00
58 REN-DS250 Renold DS Series Type Spindle Coupling, Size 250, Adapters, & Hub Gears with rough bore. Gear Teeth are Induction Hardened. Both ends without the shaft. Maximum Bore 3.06 Inches (86LBS) - 0 $3,481.25
59 REN-MB-23655 Renold Special Size 3 - 1/2 Rigid Half per PMC Drawing MB-23655 - 0 $584.66
60 REN-MB-23658 Renold Special Size 2 O-Ring Seal Full Flex Coupling per PMC Drawing MB-23658 - 0 $788.00
61 REN-MB-23665-M Renold Special Size 3 - 1/2 Rigid Half per PMC Drawing MB-23655 - 0 $584.00
62 REN-MB-23666-M Renold Special Size 3 - 1/2 Rigid Half per PMC Drawing MB-23655 10/9 - 0 $786.00
63 REN-MB-7936-M Renold Special Size 4 O-Ring Seal Coupling Half - 0 $1,987.00
64 REN-CPLPBIR1.5F Renold Ajax Flexible Coupling 
Part CPLPBIR1.5F 
Size 1 & 1/2 Pin & Bushing Coupling from Cast Iron 
With a finished straight Bore, Keyway & set screw 
Inch Maximum Finished Bore 1.88 Inch 
Misalignment Capacity = 0r - 1/2 Degree 
Maximum RPM 3600 
7.1 Maximum, HP @ 100 RPM 
6.56 Inch Outside Diameter 
4.50 Inch Overall Length 
Fail Safe Design 
Cushions vibration and shock, No Lubrication Required 
Operates Horizontally or Vertically 
Permits Free End Float 
Simple to Install, Align & Maintain 
Includes 6, Size #5 Studs & Urethane Bushings 
Neoprene/Bronze Bushings are available @ additional cost 
Dated 1-20 
(8LBS) H 4" L 6" W 6" Box
- 0 $380.00
65 REN-CPLPBIR1.5P Renold Ajax Flexible Coupling 
Part CPLPBIR1.5P 
Size 1 & 1/2 Pin & Bushing Coupling from Cast Iron 
Supplied with a Pilot / Rough Bore  
Inch Maximum Finished Bore 1.88 Inch 
Misalignment Capacity = 0r - 1/2 Degree 
Maximum RPM 3600 
7.1 Maximum, HP @ 100 RPM 
6.56 Inch Outside Diameter 
4.50 Inch Overall Length 
Fail Safe Design 
Cushions vibration and shock, No Lubrication Required 
Operates Horizontally or Vertically 
Permits Free End Float 
Simple to Install, Align & Maintain 
Includes 6, Size #5 Studs & Urethane Bushings 
Neoprene/Bronze Bushings are available @ additional cost 
Finished Bore, Keyway & Set Screw @ additional cost 
Dated 1-20 
(23LBS) H 6" L 8" W 8" Box
0 $281.43
66 REN-CPLPBIR1F Renold Ajax Flexible Coupling 
Part CPLPBIR1F 
Size 1 Pin & Bushing Coupling from Cast Iron 
With a finished straight Bore, Keyway & set screw 
Inch Maximum Finished Bore 1.12 Inch 
Misalignment Capacity = 0r - 1/2 Degree 
Maximum RPM 3600 
2.5 Maximum, HP @ 100 RPM 
4.68 Inch Outside Diameter 
2.97 Inch Overall Length 
Fail Safe Design 
Cushions vibration and shock, No Lubrication Required 
Operates Horizontally or Vertically 
Permits Free End Float 
Simple to Install, Align & Maintain 
Includes 6, Size #6 Studs & Urethane Bushings 
Neoprene/Bronze Bushings are available @ additional cost 
Dated 1-20 
(7LBS) H 4" L 6" W 6" Box
- 0 $300.00
67 REN-CPLPBIR1P Renold Ajax Flexible Coupling #1 PB Iron 
Part CPLPBIR1P 
Size 1 Pin & Bushing Coupling from Cast Iron 
Supplied with a Pilot / Rough Bore  
Inch Maximum Finished Bore 1.12 Inch 
Misalignment Capacity = 0r - 1/2 Degree 
Maximum RPM 3600 
2.5 Maximum, HP @ 100 RPM 
4.68 Inch Outside Diameter 
2.97 Inch Overall Length 
Fail Safe Design 
Cushions vibration and shock, No Lubrication Required 
Operates Horizontally or Vertically 
Permits Free End Float 
Simple to Install, Align & Maintain 
Includes 6, Size #6 Studs & Urethane Bushings 
Neoprene/Bronze Bushings are available @ additional cost 
Can be provided with Finished Bore, Keyway & Set Screw @ additional cost 
Dated 1-20
- 0 $225.71
68 REN-PB 2-1/2 FINISHED Renold Ajax Coupling PB 
1602 Pin & Bushed Flexible Coupling 
Size 2-1/2 
With a Straight Bore, Keyway & Setscrew 
Urethane Bushings 
Options include: 
Neoprene Bronze Bushings 
Extra Keyway & Setscrew 
Dated 1-20
- 0 $818.57
69 REN-PB 2-1/2 ROUGH Renold Ajax Coupling PB 
1602 Pin & Bushed Flexible Coupling 
Size 2-1/2 
With a Pilot / Rough Bore 
Urethane Bushings 
Options include: 
Finished Machined Bore, Keyway & Setscrew 
Neoprene Bronze Bushings 
Extra Keyway & Setscrew 
Dated 1-20
- 0 $605.71
70 REN-PB 2 ROUGH Renold Ajax Coupling PB 
1602 Pin & Flexible Bushing Coupling 
Size 2 
With a Pilot / Rough Bore 
2.56 Inch Maximum Straight Bore 
Urethane Bushings 
Cast Iron Body  
Options include: 
Finished Machined Bore, Keyway & Setscrew 
Neoprene Bronze Bushings 
Extra Keyway & Setscrew 
Dated 1-20 
(48LBS)
- 0 $415.71
71 REN-PB 2 S FINISHED Renold Ajax # 2S, Type S Forged Steel, Pin & Bushed Flexible Coupling with a finished bore & keyway. Fail safe design. Angular misalignment + or - 1/2 degree. Cushions vibration and shock. No lubrication required. Operates horizontally or vertically. Permits free end float. Can be finished with bore & keyway machined to your requirements at additional cost 
Dated 1-20 
(22LBS)
- 0 $675.71
72 REN-PB 2 S ROUGH Renold Ajax # 2S, Type S Forged Steel, Pin & Bushed Flexible Coupling. Rough Stock Bore. Fail safe design. Angular misalignment + or - 1/2 degree. Cushions vibration and shock. No lubrication required. Operates horizontally or vertically. Permits free end float. Can be finished with bore & keyway machined to your requirements at additional cost 
Dated 1-20 
(22LBS)
- 0 $675.71
73 REN-PB 3-1/2 ROUGH Renold Ajax #3-1/2, Type PB, Pin & Bushed Flexible Coupling. Rough Stock Bore. Fail safe design. Angular misalignment + or - 1/2 degree. Cushions vibration and shock. No lubrication required. Operates horizontally or vertically. Permits free end float. Can be finished with bore & keyway machined to your requirements at additional cost. 
Dated 1-20
- 0 $1,074.29
74 REN-PB 3 ROUGH Renold Ajax #3, Type PB, Pin & Bushed Flexible Coupling. Rough Stock Bore. Fail safe design. Angular misalignment + or - 1/2 degree. Cushions vibration and shock. No lubrication required. Operates horizontally or vertically. Permits free end float. Can be finished with bore & keyway machined to your requirements at additional cost 
Dated 1-20
- 0 $811.43
75 REN-PB 4-1/2 S Renold Ajax #4-1/2 "S", Type S Forged Steel 
Pin & Bushing Flexible Coupling 
Pilot / Stock Bore 
Fail safe design 
Cushions vibration and shock 
No lubrication required 
Operates horizontally or vertically 
Permits free end float 
Dated 1-19 
(220LBS)
- 0 $8,387.50
76 REN-PB 4-1/2 S FINISHED Renold Ajax #4-1/2 "S", Type S Forged Steel 
Pin & Bushing Flexible Coupling 
Finished Straight Bore, Keyway and set screw 
Finish Machine to your specifications 
Fail safe design 
Cushions vibration and shock 
No lubrication required 
Operates horizontally or vertically 
Permits free end float 
Dated 1-19 
(210LBS)
- 0 $8,900.00
77 REN-PB 4 ROUGH Renold Ajax PB Coupling # 4 
Part PB 4 Rough 
Pin & Bushed Flexible Coupling 
Rough Stock Bore 
Fail safe design 
Angular misalignment + or - 1/2 degree 
Cushions vibration and shock 
No lubrication required 
Operates horizontally or vertically 
Permits free end float 
Can be finished with bore & keyway machined to your requirements at additional cost 
Dated 1-20
- 0 $1,583.75
78 REN-PB 5 S FINISHED Renold Ajax #5 "S", Type S Forged Steel, Pin & Bushed Flexible Coupling. Finished Bore & Keyway to your specifications.. Fail safe design. Cushions vibration and shock. No lubrication required. Operates horizontally or vertically. Permits free end float. Maximum bore 5 inch. Includes all required fasteners & urethane bushings 276 LBS Gross with Wooden box 
Dated 1-19
- 0 $7,026.69
79 REN-PB COUPLING 1-1/2 FINISHED Renold Ajax Cast Iron Pin & Bush Coupling. Bored & keyed to your exact requirements. 1.88 Maximum finished bore. Maximum + or - 1/2 degree angular misalignment capacity. 3600 Maximum R.P.M. 7.1 Maximum, H.P. @ 100 RPM 6.56 Inch diameter. 4.50 Overall length. Fail safe design. Cushings vibration and shock. No lubrication required. Operates horizontally or vertically. Permits free end float. Qty. 6, Size #5 studs & bushings. Supplied with urethane bushings, neoprene/bronze are optional. 23 LBS 
Dated 1-20
- 0 $380.00
80 REN-PB COUPLING 2 1/2 FINISHED Renold Ajax Cast Iron Pin & Bushing type Coupling. Finished machined bore & keyway to your dimensions, Maximum Bore 3.25 Inch, Maximum RPM 2700, Maximum H.P. @ 100 RPM. 28.6, Maximum Torque LB. - Inch X 10 to the 3rd power 18.0, 80 LBS Gross 
Dated 1-20
- 0 $818.57
81 REN-PB COUPLING 2 FINISHED Renold Ajax Cast Iron Pin & Bushing type Coupling. Finished machined bore & keyway to your dimensions, Maximum Bore 2.56 Inch, Maximum RPM 3200, Maximum H.P. @ 100 RPM. 17.5, Maximum Torque LB. - Inch X 10 to the 3rd power 11.0, 46 LBS Gross.\ 
Dated 1-20
- 0 $552.86
82 REN-PB COUPLING 3 FINISHED Renold Ajax Cast Iron Pin & Bushing type Coupling. Finished machined bore & keyway to your dimensions, Maximum Bore 4.00 Inch, Maximum RPM 2000, Maximum H.P. @ 100 RPM. 61.9, Maximum Torque LB. - Inch X 10 to the 3rd power 39.0, 202 LBS Gross 
Dated 1-20
- 0 $1,090.00
83 REN-RAS6NB Renold Ajax Size 6 Neoprene Bronze Bushing for 2 3/8" A dimension coupling. Ref: 562360. - 0 $28.34
84 REN-S COUPLING 2 FINISHED Renold Ajax # 2 Forged Steel Pin & Bush Coupling with a Finished Straight Bore, Keyway & Set Screw. 2.00 Inch Maximum finished bore. Maximum + or - 1/2 degree angular misalignment capacity. 3600 Maximum R.P.M. 12.5 Maximum, H.P. @ 100 RPM 6.12 Inch Diameter. 4.62 Overall length. Fail safe design. Cushings vibration and shock. No lubrication required. Operates horizontally or vertically. Permits free end float. Qty. 12 Size #4.5 studs & bushings. Supplied with urethane bushings, neoprene/bronze are optional  
Dated 1-20 
(19LBS)
- 0 $675.71
85 REN-S COUPLING 2 1/2 FINISHED Renold Ajax # 2 1/2 Forged Steel Pin & Bush Coupling with a Finished Straight Bore, Keyway & Set Screw. 2.50 Inch Maximum finished bore. Maximum + or - 1/2 degree angular misalignment capacity. 3600 Maximum R.P.M. 17.5 Maximum, H.P. @ 100 RPM 7.25 Inch Diameter. 5.12 Overall length. Fail safe design. Cushings vibration and shock. No lubrication required. Operates horizontally or vertically. Permits free end float. Qty. 12 Size #5 Studs & Bushings. Supplied with Urethane Bushings, Neoprene/ Bronze are optional  
Dated 1-20 
(33LBS)
- 0 $1,092.86
86 REN-S COUPLING 2 1/2 ROUGH Renold Ajax # 2 1/2 Forged Steel Pin & Bush Coupling with a Rough Bore, Keyway & Set Screw. 2.50 Inch Maximum finished bore. Maximum + or - 1/2 degree angular misalignment capacity. 3600 Maximum R.P.M. 17.5 Maximum, H.P. @ 100 RPM 7.25 Inch Diameter. 5.12 Overall length. Fail safe design. Cushings vibration and shock. No lubrication required. Operates horizontally or vertically. Permits free end float. Qty. 12 Size #5 Studs & Bushings. Supplied with Urethane Bushings, Neoprene/ Bronze are optional 
Dated 1-20 
(33LBS)
- 0 $1,092.86
87 REN-S COUPLING 3-1/2 FINISHED Renold Ajax #3-1/2 "S", Type S Forged Steel, Pin & Bushed Flexible Coupling with a finished bore & keyway. Fail safe design. Cushions vibration and shock. No lubrication required. Operates horizontally or vertically. Permits free end float 
Ships in 
Dated 1-20
- 0 $1,935.71
88 REN-S COUPLING 3-1/2 STOCK BOR Renold Ajax #3-1/2 "S", Type S Forged Steel, Pin & Bushed Flexible Coupling. Stock Bore. Fail safe design. Cushions vibration and shock. No lubrication required. Operates horizontally or vertically. Permits free end float 
Ships in 
Dated 1-20
- 0 $1,527.14
89 REN-S COUPLING 3 STOCK BOR Renold Ajax # 3 Forged Steel Pin & Bush Coupling with a Rough Bore, Keyway & Set Screw. 2.50 Inch Maximum finished bore. Maximum + or - 1/2 degree angular misalignment capacity. 3600 Maximum R.P.M. 17.5 Maximum, H.P. @ 100 RPM 7.25 Inch Diameter. 5.12 Overall length. Fail safe design. Cushings vibration and shock. No lubrication required. Operates horizontally or vertically. Permits free end float. Qty. 12 Size #5 Studs & Bushings. Supplied with Urethane Bushings, Neoprene/ Bronze are optional 
Dated 1-20 
(33LBS)
- 0 $1,000.00
90 REN-S COUPLING 4 FINISHED Renold Ajax Coupling #4 "S 
Part Coupling 4 Finished 
Type S Forged Steel, Pin & Bushed Flexible Coupling 
With a finished bore & keyway 
Fail safe design 
Cushions vibration and shock 
No lubrication required 
Operates horizontally or vertically 
Permits free end float 
Ships in 
Dated 1-20
- 0 $2,761.43
91 REN-S COUPLING 1-1/2 FINISHED Renold Ajax #1-1/2 "S" 
Part S Coupling 1-1/2 Finished 
Type S Forged Steel, Pin & Bushed Flexible Coupling 
Finished Bore & Keyway to your specifications 
Fail safe design 
Cushions vibration and shock 
No lubrication required 
Operates horizontally or vertically 
Permits free end float 
Ships in 
Dated 1-20 
(16LBS)
- 0 $535.71
92 REN-S COUPLING 1-1/2 STOCK BORE Renold Ajax Coupling 
Part S Coupling 1-1/2 Stock Bore 
Pin & Bushing Style Flexible Coupling 
Type "S" Machined from Forged Steel 
Size 1- 1/2 "S" 
Rough / Stock Bore, NOT Finished 
Maximum Bore Diameter of 1.62 Inches 
Fail safe design that cushions both vibration and shock 
No lubrication required 
Operates horizontally or vertically 
Permits free end float 
Has Qty 8 Size 4, Studs & Urethane Bushings 
Ships in 
Dated 1-20 
(16LBS)
- 4 $405.71
93 REN-S COUPLING 1 FINISHED Renold Ajax #1 "S", Type S Forged Steel, Pin & Bushed Flexible Coupling. Finished Bore & Keyway to your specifications.. Fail safe design. Cushions vibration and shock. No lubrication required. Operates horizontally or vertically. Permits free end float 
Dated 1-20
- 0 $478.57
94 REN-STUD-10 Renold Ajax Stud Assembly 
Part Stud-10 
#10 Stud Assembly 
For Steel Couplings "S" 5 & 6S 
For Obsolete Couplings "A" 6.5A 
High Tensile Alloy Steel 
6.156 Inch Overall Length 
1.25 Inch Shaft Diameter 
1.00 Inch Thread Diameter 
Dated 1-20 
(3LBS) H 4" L 6" W 4" Box
8 $98.57
95 REN-STUD-3 Renold Ajax Stud Assembly 
Part Stud-3 
#3 Stud Assembly 
For Obsolete Couplings "A" 0.75A, 1.5A & 1.75A 
For Obsolete Coupling 400 
High Tensile Alloy Steel 
1.375 Inch Overall Length 
0.4375 Inch Shaft Diameter 
0.3125 Inch Thread Diameter 
Dated 1-20 
(1LBS) H 4" L 5" W 4" Box
6 $15.71
96 REN-STUD-4 Renold Ajax Stud Assembly 
Part Stud-4 
#4 Stud Assembly 
For Coupling "PB" 1PB 
For Coupling "S" 1S 
For Obsolete Couplings "A" 1A, 1.25 
For Obsolete Coupling 417 
High Tensile Alloy Steel 
1.781 Inch Overall Length 
0.5625 Inch Shaft Diameter 
0.357 Inch Thread Diameter 
6 or 8 per Coupling 
Dated 1-20 
(1LBS) H 4" L 5" W 4" Box
1 $21.43
97 REN-STUD-4.5 Renold Ajax Stud Assembly 
Part Stud 4.5 
#4.5 Stud Assembly: Pin, Nut & Lockwasher  
For Coupling "S" 1.5S & 2S 
For Obsolete Couplings "A" 1A, 1.25 
For Obsolete Coupling 422 
High Tensile Alloy Steel 
2.3125 Inch Overall Length 
0.625 Inch Shaft Diameter 
0.325 Inch Thread Diameter 
8 or 12 per Coupling 
Used with Bushing 4.5 
Normally a Stock Item @ BPI 
Ships from Stock to 1 Week 
Dated 1-20 
(1LBS) H 4" L 5" W 4" Box
11 $22.86
98 REN-STUD-5 Renold Ajax Stud Assembly 
Part Stud- 5 
#5 Stud Assembly 
For Cast Iron Coupling "PB" 1.5PB 
For Steel Couplings " S", 2S & 2.5S 
For Obsolete Couplings "A" 1.375A, 1.5A & 1.75A 
For Obsolete Coupling 427 
High Tensile Alloy Steel 
2.53 Inch Overall Length 
0.75 Inch Shaft Diameter 
0.50 Inch Thread Diameter 
Includes Stud, Nut & Lockwasher 
4, 6 or 12 Studs per Coupling 
Dated 1-20 
(1LBS) H 4" L 5" W 4" Box
45 $24.29
99 REN-STUD-6 Renold Ajax Stud Assembly 
Part Stud-6 
aka 1651-0600-001 
#6 Stud Assembly 
For Cast Iron Coupling "PB" 2PB 
For Steel Coupling "S" 3S 
For Obsolete Couplings "A" 1A, 1.25 
For Obsolete Coupling "A" 2.375A 
High Tensile Alloy Steel 
3.031 Inch Overall Length 
0.8125 Inch Shaft Diameter 
0.5625 Inch Thread Diameter 
Dated 1-20 
(1LB) H 4" L 5" W 4" Box
99 $28.57
100 REN-STUD-7 Renold Ajax Stud Assembly 
Part Stud 7 
#7 Stud Assembly 
For Cast Iron Coupling "PB" 2.5,3, 3.5PB 
For Steel Couplings "S" 3.5S 
For Obsolete Couplings "A" 2.75, 1.25 
For Obsolete Coupling "A" 2.375A, 3.125A 
High Tensile Alloy Steel 
3.531 Inch Overall Length 
0.875 Inch Shaft Diameter 
0.625 Inch Thread Diameter 
Dated 1-20 
(2LBS) H 4" L 5" W 4" Box
5 $31.43
101 REN-STUD-8 Renold Ajax Stud Assembly 
Part Stud#8 
#8 Stud Assembly 
For Cast Iron Coupling "PB" 4PB 
For Steel Couplings "S" 4S 
For Obsolete Couplings "A" 3.625, 4, 4.5, 5, 5.5A 
High Tensile Alloy Steel 
4.0312 Inch Overall Length 
1.00 Inch Shaft Diameter 
0.750 Inch Thread Diameter 
Dated 1-2020
- 0 $45.71
102 REN-STUD-9 Renold Ajax Stud Assembly 
Part Stud#9 
#9 Stud Assembly 
For Steel Couplings "S" 4.5S 
For Obsolete Couplings "A" 6A 
High Tensile Alloy Steel 
5.166 Inch Overall Length 
1.125 Inch Shaft Diameter 
0.875 Inch Thread Diameter 
Dated 1-20 
(2LBs) H 4" L 6" W 4" Box
- 0 $80.00
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Products

 
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  • Spiderjaw and Spiderwrap
  • Pinflex
  • Crown Pin
  • Tyreflex
  • Discflex
  • Chainflex
  • Rigid
  • Gearflex
  • Renoldflex
  • Hydrastart
  • PM
  • RB
  • Universal Joint Assemblies
  • Geared Mill Spindles
  • Spiderflex
Pin and Bush Couplings

Pin and Bush Couplings
 
The Pin and Bush coupling complements Ajax's line of standard gear type couplings. Hundreds of thousands have been applied on all types of direct connected industrial equipment resulting in long life with minimum maintenance.
 
Ajax Pin and Bush Flexible Couplings are usually applied on equipment when misalignment does not exceed +/- 1/2o.
 
Features:
•   A fail safe design
•   Cushions vibration & shock
•   No lubrication is required
•   Operates in any position
 
Full-Flex O-Ring Seal Couplings

Full-Flex O-Ring Seal Couplings
 
•   Forged medium carbon steel
•   Crowned and barreled teeth
•   Tight-fitting high strength bolts
•   Large lube reservoir
•   Accepted worldwide

Flex-Rigid O-Ring Seal Couplings

Flex-Rigid O-Ring Seal Couplings
 
•   Used in pairs with a shaft to connect widely separated equipment.
Mill Motor O-Ring Seal Couplings
 

Mill Motor O-Ring Seal Couplings
 
•   Standard mill motor couplings for A.I.S.E. tapered shaft mill motors. Used predominantly in the metal industry.
Standard Extended Shaft Gaps

Standard Extended Shaft Gaps
 
Available as one hub reversed or both hubs reversed.
 
Full-Flex Metal Seal Couplings

Full-Flex Metal Seal Couplings
 
•   Forged medium carbon steel
•   Crowned and barreled teeth
•   Tight-fitting high strength bolts
•   Large lube reservoir
•   Accepted worldwide

Flex-Rigid Metal Seal Couplings

Flex-Rigid Metal Seal Couplings
 
•   Used in pairs with a shaft to connect widely separated equipment.
Mill Motor Metal Seal Couplings
 

Mill Motor Metal Seal Couplings
 
•   Full-flex or flex-rigid.
•   Furnished with exposed bolts only.
Full-Flex Heavy Duty O-Ring
Seal Couplings

Full-Flex Heavy Duty O-Ring Seal Couplings
 
•   Material: forged medium carbon steel; heat treated alloy steel available as an option.
 
Flex-Rigid Heavy Duty O-Ring
Seal Couplings

Flex-Rigid Heavy Duty O-Ring Seal Couplings
 
•   Material: forged medium carbon steel; heat treated alloy steel available as an option.

D Series Couplings - High
Misalignment, Full-Flex

D Series Couplings - High Misalignment, Full-Flex
 
•   D Series Full-Flex couplings accommodate offset, angular or combined misalignment.
D Series Couplings - High Misalignment, Flex-Rigid

D Series Couplings - High Misalignment, Flex-Rigid
 
•   Universally used for pinch roll, shear drives and tension bridles on auxiliary rolling mill equipment.
DS Series Spindle Couplings

DS Series Spindle Couplings
 
•   DS Series Spindle couplings are used where frequent vertical roll removal is required. They are also suitable for clustered applications such as levelers, tube mills, etc.
 
This web site is owned and operated by Brake Products, Inc.
Brake Products, Inc.   16751 Hilltop Park Place
  Chagrin Falls, Ohio 44023
  Phone: (440) 543-7962
  Fax:     (440) 543-7963
  Web:   www.brakeproducts.com
  Email: sales@brakeproducts.com
  Federal ID #: 34-1473351
  CAGE Code: 1QTP8
  DUNS# 14-748-2392
  Download: Form W-9
Supplier of Industrial Brake Parts Since 1985