Needle Brg, Drawn Cup, Bore 0.313 In MPN:J-55
Needle Brg, Drawn Cup, Bore 0.313 In
This Koyo Drawn Cup Needle Roller Bearing is a high-performance bearing designed for demanding applications. With a maximum speed of 28,000 RPM when lubricated with oil, it's ideal for use in high-speed machinery and equipment. Its compact design and low-friction properties make it suitable for use in precision instruments, medical devices, and other applications where smooth operation and minimal vibration are critical. The bearing's robust construction and wide temperature range (-22°F to 248°F) also make it suitable for use in harsh environments, including extreme temperatures and high-impact applications.
Top product features:
- Drawn cup design provides a strong and durable bearing structure
- Full complement design allows for high load capacity and smooth operation
- Grease and oil lubrication options enable the bearing to operate in a variety of temperatures and conditions
Top product applications:
- Pump shafts
- Conveyor systems
- Automotive power steering systems
Needle Roller Bearing, Bearing Industry Number 55, Bearing Design J, Bore Diameter 5/16 in, Cage Material Steel, Closure Open, Full Complement No, Lubricant Material Grease, Oil, Maximum Speed 18,000 RPM Grease, 28,000 RPM Oil, Maximum Temperature 248 Degrees F, Minimum Temperature -22 Degrees F, Needle Bearing Type Drawn Cup Needle Roller Bearing, Number of Rows One, Outside Diameter 1/2 in, Overall Width 0.313 in, Ring Material Alloy Steel, Roller Material Alloy Steel, Seal Type Not Applicable
Additional Information
- Country of Origin: US
- 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: 1.10
- Package Weight: 0.03
Product info last updated on February 24, 2026 7:08pm UTC
Category: Bearings, V-belts and Power Transmission Equipment