Koyo Corp. IRA-5 Inner Ring

Product Description

The Koyo Corp. IRA-5 Inner Ring is designed to work with drawn cup needle roller bearings, providing essential support for various applications. It features a hardened inner race that is properly tolerated for optimal performance.

• Constructed from high carbon, high chromium steel.
• Includes an option for an oil hole (-OH).
• Suitable for both inch (IR) and metric (JR) sizes.

Product Highlights

This inner ring can also serve as a wear bushing, making it versatile for different uses.

Product Information

Standard Information

• Brand: Koyo Corp.
• Part Number: IRA-5

Technical Specifications

• Inner Diameter: 0.31 in
• Outer Diameter: 0.5 in
• Overall Width: 0.54 in
• Series: IR
• Precision Class: ABEC 1
• Operating Temperature (Max): 230 °F
• Operating Temperature (Min): -22 °F
• Weight: 0.003 LB