Inner Ring, 1/2 in Bore, Alloy Steel MPN:IR-812
Inner Ring, 1/2 in Bore, Alloy Steel
This Koyo alloy steel inner ring features a 1/2 inch bore diameter and is compatible with various bearing part numbers from Grainger and other manufacturers. Its compact design makes it ideal for use in precision machinery, robotics, and other applications requiring high accuracy and durability. The ring's alloy steel construction provides excellent strength and resistance to wear and corrosion, ensuring reliable performance in demanding environments. With a wide range of compatible bearing options, this inner ring is a versatile solution for various industrial and commercial applications, including conveyor systems, gearboxes, and more.
Top product features:
- Alloy steel construction for durability
- Open design allows for lubrication and maintenance
- Tight tolerance of +0/-0.0005 in on bore and outside diameters for precise fit and smooth operation
Top product applications:
- Industrial machinery
- Automotive applications
- Medical equipment
Inner Ring, Bore Diameter 1/2 in, Compatible Bearing Grainger Part Number 35TW69, 35TW70, 35TX23, 35TX24, 35TX78, 35TX79, 35TZ12, 35TZ13, 779K29, 779K30, 779KF9, 779KG0, 779KH1, Compatible Bearing Manufacturer Part Number 1210, 12101, 1212, 12121, Outside Diameter 0.75 in, Overall Width 0.765 in, Ring Material Alloy Steel, System of Measurement Inch, Bore Diameter Tolerance +0/-0.0005 in, Lubrication Openings None, Outside Diameter Tolerance +0/-0.0005 in, Ring Material Grade Su2
Additional Information
- Country of Origin: JP
- Drop Ship Item: No
- Blind Ship Eligible: No
- LTL Freight Required: No
- Lead Time: Ships in 1 days
- Minimum Order Quantity: 1
- Unit of Measure: EA
- Package Length: 2.20
- Package Width: 2.20
- Package Height: 0.90
- Package Weight: 0.70
Product info last updated on February 15, 2026 7:24pm UTC
Category: Bearings, V-belts and Power Transmission Equipment