Koyo Corp. IR-612-OH Inner Ring

Product Description

The Koyo Corp. IR-612-OH Inner Ring has a diameter of three point seventy-five inches and is designed for use with drawn cup needle roller bearings. This inner ring is made from high carbon, high chromium steel, ensuring durability and strength.

• Made for use with needle roller bearings
• Constructed from high carbon, high chromium steel
• Includes an oil hole for lubrication

Product Highlights

The inner ring is versatile, available in both inch and metric sizes, and functions also as a wear bushing.

Product Information

Standard Information

• Product SKU: 101711951
• Brand: Koyo Corp.

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
• Series: IR
• Tolerance: Iso Class 0 (RBEC 1)
• Precision Class: ABEC 1
• Operating Temperature Max: 230 °F
• Operating Temperature Min: -22 °F