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AUTOMATIC QUANTITY DISCOUNTS   BPI's web orders and web site generated PDF quotations now support quantity discount of up to 10%.   Quotation is valid for 30 days and can be immediately converted into an order.

 

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Web: www.RenoldDirect.com	Email: sales@RenoldDirect.com	Phone: (888) 861-8777

 

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Database Lookup:     By Part Number By Description
Total 48138 part numbers listed in this database. Shown in 2408 pages by 20 items.
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Part Number	Product Category	Description	Description	Stock Qty	Weight (lbs.)	Price (US$)	Order Quantity
REN-S COUPLING 1-1/2 FINISHED	Renold Parts	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	0.00	578.57
REN-S COUPLING 1-1/2 STOCK BORE	Renold Parts	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	0.00	438.17
REN-S COUPLING 2 FINISHED	Renold Parts	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	0.00	729.77
REN-S COUPLING 2 1/2 FINISHED	Renold Parts	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	0.00	1,180.29
REN-S COUPLING 2 1/2 ROUGH	Renold Parts	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	0.00	1,180.29
REN-S COUPLING 3 STOCK BOR	Renold Parts	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	0.00	1,080.00
REN-S COUPLING 3-1/2 FINISHED	Renold Parts	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	0.00	2,090.57
REN-S COUPLING 3-1/2 STOCK BOR	Renold Parts	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	0.00	1,649.31
REN-S COUPLING 4 FINISHED	Renold Parts	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	0.00	2,982.34
REN-STUD-3	Renold Parts	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	0.00	37.14
REN-STUD-4	Renold Parts	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	0.00	48.57
REN-STUD-4.5	Renold Parts	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	0.00	54.29
REN-STUD-5	Renold Parts	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	0.00	54.29
REN-STUD-6	Renold Parts	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	0.00	47.14
REN-STUD-7	Renold Parts	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	0.00	148.58
REN-STUD-8	Renold Parts	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	0.00	108.57
REN-STUD-9	Renold Parts	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	0.00	233.47
REP-	Brake Parts	Brake Coil   Part   aka 9-885-27  Series Wound Coil   For a 19 Inch GH505 DC Brake  Brake Suffix 1507  aka Old # 9-841-5  Ships in  Dated	-	0	0.00	2,451.60
REP-100100	Brake Parts	Brake Shoe Assembly 10" WB  Part 100100  aka W-10004-A  For a Class 5010, 10 Inch, Type WB Folio 5  With Premium Non-Asbestos Lining Material  2 per brake, sold each  THIS IS A NON-OEM, AFTERMARKET PART  Ships in 45 Days  Dated 05-2023  (8LBS)	-	2	0.00	496.60
REP-100101	Brake Parts	Brake Shoe Only, W01005 on a Class 5010 10 Inch Type WB Brake Folio 5, Item #2, 2 per brake sold each  THIS IS A NON-OEM, AFTERMARKET PART	-	0	0.00	Call	N/A

Prices are subject to change without notice. Last updated: 31-Aug-2025 06:58:16 AM (EST)

Secure Online Order   Secure Online Order   408 part numbers available for online order   Shopping Cart Empty Checkout is secure   Products Available From Stock Free shipping via UPS Ground (continental US only, motor freight excluded)

Web Site Features   Part Number Lookup   Enter at least three characters of a Renold part number to retrive the list of all documents (such as specifications, manuals, guides, drawings, etc.) from our web site, referencing this part number:   Part Number:   Search scope: This web site only   Formal PDF Quotation   To obtain an instant formal printable PDF quotation use shopping cart and select "View PDF Quote", instead of checking out. Click here for instructions.   Your shopping cart is kept intact and you can still check out at a later time.

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 +/- 1/2o.   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.

 

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