BR Needle Roller Bearings Inch Series Are Compactly Designed To Reduce Friction Of Rotating Surfaces For Use In Automobile Motors And Components.
BR Needle Roller Bearings consist of a solid outer ring, rollers and retainer, without inner ring for long lasting durability. Machined Type caged needle roller bearings are generally used with shafts without inner rings. Feature low sectional height, large load ratings and high rigidity that can easily be used for light alloy housings. Models available with and without seals. Pre-packed lubricant is not provided except with double sealed bearings (suffix UU). Proper lubricant must be applied when used. 0.2µmRa or less shaft surface finish and HRC 58 to 64 shaft hardness are recommended. Available dynamic load rating ranges from 18,300 to 176,000. Static load ranges from 19,700 to 368,000. Max speed/grease RPM ranges from 2000 to 15,000. Dimensions vary per model.
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