Needle Roller Brg, 45, 1/4in Bore, Open MPN:B-45
Needle Roller Brg, 45, 1/4in Bore, Open
This Koyo Needle Roller Bearing is designed for high-speed applications, with a maximum speed of 10,000 RPM and operating temperatures ranging from -22 to 248 degrees F. The bearing features a drawn cup design, full complement of rollers, and open closure, making it ideal for use in precision machinery, automotive components, and industrial equipment. Its compact size and lightweight construction also make it suitable for use in robotic and aerospace applications. By providing smooth operation and reduced friction, this bearing helps to increase efficiency and prolong the lifespan of machinery, making it a valuable addition to any manufacturing or maintenance operation.
Top product features:
- Drawn Cup Design allows for compact installation and easy mounting
- Full Complement construction provides high load capacity and smooth operation
- Oil lubrication ensures long bearing life and reduced maintenance
Top product applications:
- Pump and motor applications
- Automotive and industrial gearboxes
- Conveyor systems
Needle Roller Bearing, Bearing Industry Number 45, Bearing Design B, Bore Diameter 1/4 in, Cage Material Not Applicable, Closure Open, Full Complement Yes, Lubricant Material Oil, Maximum Speed 10,000 RPM, Maximum Temperature 248 Degrees F, Minimum Temperature -22 Degrees F, Needle Bearing Type Drawn Cup Needle Roller Bearing, Number of Rows One, Outside Diameter 7/16 in, Overall Width 0.313 in, Ring Material Alloy Steel, Roller Material Alloy Steel, Seal Type Not Applicable
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: 2.30
- Package Width: 2.30
- Package Height: 1.00
- Package Weight: 0.02
Product info last updated on January 12, 2026 11:42pm UTC
Category: Bearings, V-belts and Power Transmission Equipment