RenoldDirect.com: Products: Pin and Bush Couplings

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Pin and Bush Couplings

Documentation

• Pin and Bush Couplings Brochure
• Replacement and installation instructions for new urethane bushing assemblies

Easy Order Shortcuts

No	Part Number	Description	Image	Stock Qty	Price Each
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	$21.60
2	REN-10126	Renold Ajax Bushing Part 10126 Steel Pan Arm Bushing For a Vibratory Conveyor Ships in 7 Days, Westfield NY Dated 01-2025	-	0	$38.57
3	REN-1601-000-000	Renold Ajax Cement REN-1601-000-000 Neoprene Bronze Bushing Cement 1/2 Pint Can (1LB) H 4" L 5" W 4" Box		0	$33.94
4	REN-17318-4	Renold Ajax Shaft, D200 on a Vibratory Conveyor	-	0	$1,225.80
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 09-2022 (1LB) H 4" L 5" W 4" Box		0	$42.50
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 09-2022 (1LBS) H 4" L 5" W 4" Box		0	$50.00
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 Origin USA, Export Code 84839080 Dated 09-2022 (1LB) H 4" L 5" W 8"	-	0	$55.00
8	REN-1858-0500-001	Renold Ajax #5 Bushing Neoprene / Bronze Part 1858-0500-001 18580500001 Item 10129594 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 Normally a Stock Item @ BPI Ships from Stock to 3 Weeks Dated 02-2023 (1LB) H 4" L 5" W 4" Box	-	0	$124.29
9	REN-1858-0600-001	Renold Ajax #6 Neoprene / Bronze Bushing Part 1858-0600-001 aka 18580600001 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 Adhesive Purchased Separately Temperature Range -65 Degree to 285 Degree F NSN 3120-01-181-1455 Gov # Dated 08-2024 (1LB) H 4" L 5" W 4" Box		46	$108.75
10	REN-1858-0700-001	Renold Ajax #7 Bushing Neoprene - Bronze Part 1858-0700-001 18580700001 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 Normally a Stock Item @ BPI Ships from Stock to 10 Days Dated 07-2022 (1LBS) H 4" L 5" W 4" Box		25	$111.43
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 09-2022 (1LB) H 4" L 5" W 4" Box	-	0	$107.50
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 Ship from Stock to 4 Weeks Dated 02-2025 (1LB) H 4" L 5" W 4" Box		0	$277.14
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 09-2022 (1LB) H 4" L 5" W 4" Box	-	0	$235.00
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	$1,436.40
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	$1,905.43
16	REN-2-SHR-KIT	Renold Ajax Flange Accessories for #2 Shrouded Bolt Coupling	-	0	$26.22
17	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	$670.95
18	REN-2639-1000-020	Renold Pinion, Drive Pinion on a 10 DF Shaker, Item 7	-	0	$393.12
19	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	$784.35
20	REN-2655-1000-001	Renold Ajax Key, Weight Key on a # 12 Shaker	-	0	$3.24
21	REN-2663-1000-002	Renold Shaft V-Ring For a # 10 DF Shaker Item 12 Ships from Stock Dated 1-19	-	0	$35.49
22	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	$29.70
23	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	$1,566.00
24	REN-4640-0300-001	Renold Ajax Gear. 300 DS Hub Gear for 6 & 1/2 Degree Mis-Alignment, Rough Bore	-	0	$388.80
25	REN-4661-0300-001	Renold Ajax Seal. Grease Seal on a DS300 Spindle Coupling, Item #8, 2 Required	-	0	$66.64
26	REN-4661-0500-001	Renold Ajax Seal, Grease / Lip Seal on a D-500 Model 4140 HT Spindle Coupling, Drawing 4904-0500-045	-	4	$192.24
27	REN-4736-0560-006	Renold Ajax Ring Gear Sleeve, 300 DS	-	0	$820.80
28	REN-4736-0743-046	Renold Ajax Sleeve	-	0	$2,736.45
29	REN-4760-0587-250	Renold Ajax "O" Ring on a DS300 Spindle Coupling, Item #8, 2 Required	-	0	$26.33
30	REN-4777-0450-039	Renold Hardened Insert, Item 24	-	0	$654.75
31	REN-4877-0450-002	Renold Plunger Sub Assembly, Item 19	-	0	$1,882.44
32	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	$3,165.94
33	REN-4908-0200-003	Renold Ajax Coupling. D Series Flex Rigid	-	0	$1,694.06
34	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	$4,809.09
35	REN-550	Renold / Ajax "D" Series Coupling, Size 550 , 3 & 1/2 Degree Misalignment, Recessed Bolt Heads, Full Flex	-	0	$11,136.96
36	REN-6632-0358-1	Renold Ajax Ring Gear with Seal. Size 3 - 1/2 with seal # 666-0356-1	-	0	$246.86
37	REN-6641-108-1	Renold Ajax Gear Hub aka 6641-0108-001	-	0	$50.40
38	REN-6641-608-1	Renold Ajax Hub Gear For a Size 6 Gear Coupling Rough Bore aka REN-6641-0608-001	-	0	$1,280.16
39	REN-6656-0350-1	Renold / Ajax Rigid Half Coupling. Size 3-1/2 with Shrouded Bolts	-	0	$353.70
40	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	$181.44
41	REN-6801-0258-001	Renold Ajax Coupling #2-1/2 FH Exposed Bolts, Rough Bore	-	0	$234.36
42	REN-6801-308-1	Renold Ajax #3 Flex Half "O" Ring Seal Coupling	-	0	$333.45
43	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	$1,364.85
44	REN-6908-308-1	Renold Ajax Flex-Rigid O'Ring Seal Gear Coupling, Size 3 Rough Bore	-	0	$730.35
45	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	$3.24
46	REN-792-437-62-003	Renold Coil Spring, Item 21	-	0	$688.50
47	REN-A-359-BD	Renold Ajax Size 3-5/8 Complete Brake Drum Coupling per drawing WIH-1024	-	0	$7,773.84
48	REN-1665-1000-001	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 Normally a Stock Item @ BPI Origin USA, Export Code 84839080 Ship from Stock to 3 Days Dated 11-2021 (1LBS) H 4" L 6" W 6"		2	$80.23
49	REN-1665-0300-001	Renold Ajax #3 Bushing Urethane Part 1665-0300-001 16650300001 Renold Item 10120333 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 Normally a Stock Item @ BPI Ships form Stock to 5 Days Dated 03-2024 (1LB) H 4" L 6" W 4" Box		132	$20.00
50	REN-1665-0450-001	Renold Ajax Bushing Part 1665-0450-001 16650450001 Item 10120335 #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 NSN 5365-01-355-2676 Gov # Origin USA, Export Code 84839080 Normally a Stock Item @ BPI Ships form Stock to 2 Weeks Dated 03-2024		16	$42.86
51	REN-1665-0400-001	Renold Ajax #4 Bushing Urethane Part 1665-0400-001 16650400001 Renold Item 10120334 #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 Normally a Stock Item @ BPI Ships from Stock to 5 Days Dated 03-2024 (1LB)		323	$24.29
52	REN-1665-0600-001	Renold Ajax Bushing #6 Part 1665-0600-001 16650600001 Item 10120337 #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 Gov # NSN 5365-01-355-2676 Origin USA, Export Code 84839080 Normally a Stock Item @ BPI Ships form Stock to 5 Days Dated 07-2025 (1LB) H 4" L 6" W 4" Box		54	$88.57
53	REN-1665-0800-001	Renold Ajax Bushing Part 1665-0800-001 16650800001 Item 10120339 #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 Origin USA, Export Code 84839080 Normally a Stock Item @ BPI Ships from Stock to 1 Week Dated 11-2024		32	$118.57
54	REN-1665-0900-001	Renold Ajax Bushing Part 1665-0900-001 10120340 #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 NSN 5365-01-355-2676 Gov # Origin USA, Export Code 84839080 Normally a Stock Item @ BPI Ships form Stock to 1 Week Dated 11-2024 (1LB) H 4" L 5" W 4"		0	$161.43
55	REN-D200	Renold Ajax Shaft 17318-4 on a Vibratory Conveyor	-	0	$1,225.80
56	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	$1,787.40
57	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	$3,759.75
58	REN-MB-23655	Renold Special Size 3 - 1/2 Rigid Half per PMC Drawing MB-23655	-	0	$631.43
59	REN-MB-23658	Renold Special Size 2 O-Ring Seal Full Flex Coupling per PMC Drawing MB-23658	-	0	$851.04
60	REN-MB-23665-M	Renold Special Size 3 - 1/2 Rigid Half per PMC Drawing MB-23655	-	0	$630.72
61	REN-MB-23666-M	Renold Special Size 3 - 1/2 Rigid Half per PMC Drawing MB-23655 10/9	-	0	$848.88
62	REN-MB-7936-M	Renold Special Size 4 O-Ring Seal Coupling Half	-	0	$2,145.96
63	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	-	0	$410.40
64	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 E		0	$303.94
65	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	-	0	$324.00
66	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 Fre	-	0	$243.77
67	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	$884.06
68	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	$654.17
69	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)	-	1	$1,022.92
70	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	$729.77
71	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	$729.77
72	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	$1,160.23
73	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	$876.34
74	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	$9,058.50
75	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	$9,612.00
76	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	$1,710.45
77	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	$7,588.83
78	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 w	-	0	$410.40
79	REN-PB COUPLING 2 1/2 FINISHED	Renold Ajax Pin & Bushing Coupling 1/2 Cast Iron, Finished 2PB 1/2 Coupling Part 627.286653 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 Ships in 3 Months, NY Westfield Dated 05-2023	-	0	$1,125.71
80	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	$597.09
81	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	$1,177.20
82	REN-RAS6NB	Renold Ajax Size 6 Neoprene Bronze Bushing for 2 3/8" A dimension coupling. Ref: 562360.	-	0	$30.61
83	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	-	0	$729.77
84	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 Stu	-	0	$1,180.29
85	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 & Bushing	-	0	$1,180.29
86	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	$2,090.57
87	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	$1,649.31
88	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. S	-	0	$1,080.00
89	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	$2,982.34
90	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	$578.57
91	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 (1	-	4	$438.17
92	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	$516.86
93	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 11-2021 (1LBS) H 4" L 5" W 4" Box		0	$37.14
94	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 11-2021 (1LB) H 4" L 5" W 4" Box		0	$48.57
95	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 11-2021 (1LBS) H 4" L 5" W 4" Box		0	$54.29
96	REN-STUD-5	Renold Ajax Stud Assembly Part Stud- 5 Item 10130557 #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 Normally a Stock Item @ BPI Ships from Stock to 3 Weeks Dated 09-2022 (1LBS) H 4" L 5" W 4" Box		63	$54.29
97	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 08-2024 (1LB) H 4" L 5" W 4" Box		86	$47.14
98	REN-STUD-7	Renold Ajax Stud Assembly #7 Part Stud 7 Item 10131396 #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 Origin USA Export Code 10131396 Normally a Stock Item @ BPI Ships from Stock to 2 Weeks Dated 03-2025 (2LBS) H 4" L 5" W 4" Box		40	$148.58
99	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 11-2021	-	30	$108.57
100	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 11-2021 (2LBs) H 4" L 6" W 4" Box	-	0	$233.47

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Products

• Spider
• 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 +/- 1/2^o.

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.

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