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KOYO IR-1212 Needle Roller Bearing Inner Ring - Needle Roller Bearing Inner Rings
KOYONeedle Roller Bearing Inner Rings

KOYO IR-1212 Needle Roller Bearing Inner Ring

The KOYO IR-1212 is an inch-system needle roller bearing inner ring with a 3/4 in bore, 1 in OD, and 0.765 in overall width, made from alloy steel. This component is designed for use with compatible needle roller…

SKU 3G-OTH-104352

Also listed as: IR1212 · IR 1212

Brand
KOYO
Item
IR-1212 Needle Roller Bearing Inner Ring
Part Number
IR-1212
Category
Needle Roller Bearing Inner Rings
Available to Order
Also known as:IR-1212KOYO
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
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Technical Specifications

KOYO
Manufacturer Part Number
IR-1212
System of Measurement
Inch

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KOYO Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The KOYO IR-1212 is an inch-system needle roller bearing inner ring with a 3/4 in bore, 1 in OD, and 0.765 in overall width, made from alloy steel. This component is designed for use with compatible needle roller bearings to provide a hardened raceway surface.

Frequently Asked Questions

What is the KOYO IR-1212 inner ring used for?

The KOYO IR-1212 is a needle roller bearing inner ring used to provide a hardened raceway surface for compatible needle roller bearings in rotating or oscillating applications. It is commonly found in industrial machinery, gearboxes, and automotive drivetrains where space is limited and high load capacity is required.

What are the specifications of the KOYO IR-1212?

The KOYO IR-1212 is an inch-system needle roller bearing inner ring with a 3/4 in bore, 1 in OD, and 0.765 in overall width. It is made from alloy steel and has manufacturer part number IR-1212. This component is designed to be used with compatible needle roller bearings.

Where to buy the KOYO IR-1212 worldwide?

3G Electric supplies the KOYO IR-1212 needle roller bearing inner ring to customers worldwide. We handle full logistics, customs clearance, and delivery to your location. Contact us for pricing and lead time on this component.

How to select the correct inner ring for a needle roller bearing?

To select the correct inner ring, match the bore diameter to your shaft size, the OD to the bearing inner diameter, and the width to the bearing assembly. The KOYO IR-1212 has a 3/4 in bore, 1 in OD, and 0.765 in width. Always verify the system of measurement (inch vs metric) and the manufacturer part number.

Used in

Common applications for KOYO
Conveyor systems — KOYO FCB-12 or FC-16 clutch and bearing assemblies for overrunning and indexing in material handling equipment.
Packaging machinery — KOYO FCB-25 or FCB-30 three-row assemblies for intermittent motion and backstopping in filling and sealing stations.
Industrial power transmission — KOYO FC-30 single-row clutch and bearing assembly for one-way rotation in gearboxes and drive trains.
Automotive manufacturing equipment — KOYO FCL-10-K compact clutch and bearing assembly for space-constrained indexing mechanisms.
Textile machinery — KOYO FC-10 or FCB-16 assemblies for controlled overrunning in yarn feed and winding systems.
Printing and paper converting — KOYO FCB-30 clutch and bearing assemblies for precise indexing and registration control.
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KOYO Products

3G Electric supplies KOYO needle roller bearing inner rings. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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