Koyo Corp. IR-812-OH Inner Ring

Product Description

The Koyo Corp. IR-812-OH Inner Ring is designed for use with drawn cup needle roller bearings. It provides a hardened inner race that is properly toleranced. This component is made from high carbon, high chromium steel to ensure durability.

• Compatible with drawn cup needle roller bearings.
• Made from high carbon, high chromium steel.
• Available with an oil hole for added lubrication.

Product Highlights

This inner ring supports efficient operation with a reliable tolerance level.

Product Information

Standard Information

• Brand: Koyo Corp.
• Part Number: IR-812-OH

Technical Specifications

• Inner Diameter: 0.5 in, 12.7 mm
• Outer Diameter: 0.75 in, 19.05 mm
• Overall Width: 0.77 in, 19.43 mm
• Precision Class: ABEC 1
• Bearing Material: High Carbon Chrome Steel
• Operating Temperature Max: 230 °F
• Operating Temperature Min: -22 °F
• Oil Hole: With Oil Hole
• Relubricatable: Yes