Koyo Corp. IRA-12 High Carbon Chrome Steel Inner Ring

Product Description

The Koyo Corp. IRA-12 is a high carbon chrome steel inner ring designed for precise fit and durability. It works best with drawn cup needle roller bearings, providing a hardened and properly toleranced inner race.

• Made from high carbon, high chromium steel.
• Available in inch and metric sizes.
• Can be used as a wear bushing.

Product Highlights

This inner ring comes with options for an oil hole and is constructed to high-performance standards.

Product Information

Standard Information

• Brand: Koyo Corp.
• Part Number: IRA-12

Technical Specifications

• Inner Diameter: 0.75 in, 19.05 mm
• Outer Diameter: 1 in, 25.4 mm
• Overall Width: 1.04 in, 26.31 mm
• Operating Temperature (Max): 230 °F
• Operating Temperature (Min): -22 °F
• Weight: 0.011 LB
• Precision Class: ABEC 1
• Bearing Material: High Carbon Chrome Steel