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
Local availability & support
- Delivery
- Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
- Payment
- Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.
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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 KOYOKOYO 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.