Koyo Corp. IR-612 Inner Ring

Product Description

The Koyo Corp. IR-612 Inner Ring is designed to work with drawn cup needle roller bearings. This inner ring provides a hardened surface essential for proper tolerancing. It is constructed from high carbon, high chromium steel, making it durable for various applications.

• Best used with drawn cup needle roller bearings for enhanced performance.
• Available in both inch (IR) and metric (JR) sizes.
• Designed with an option for an oil hole (-OH).

Product Highlights

This inner ring can also act as a wear bushing, adding versatility to its use in multiple settings. The robust material allows it to function effectively across a range of operating temperatures, from a low of -22 degrees Fahrenheit to a maximum of 230 degrees Fahrenheit.

Product Information

Standard Information

• Brand: Koyo Corp.
• Part Number: 101711950

Technical Specifications

• I.D.: 3.75 in (95.25 mm)
• O.D.: 0.56 in (14.29 mm)
• Overall Width: 0.77 in (19.43 mm)
• Bearing Material: High Carbon Chrome Steel
• Precision Class: ABEC 1
• Operating Temperature [Max]: 230 °F
• Operating Temperature [Min]: -22 °F
• Bore Type: Round
• Relubricatable: No
• Weight: 0.004 LB