Description

Needle Rollers are used in automotive transmissions, universal joints, front wheeldrive,constant velocity joints water pump bearings, roller clutches, rollerized cam lifters, rocker arms, cam rollers, starter drives and as pins and dowels for various applications. Specifications of Needle Rollers. Materials Standard:- AISI ****0 or SAE ****0 bearing quality chrome steel. Hardness Standard :- HRC *8 to *4 Surface Finish Standard:- OD Ground and Lapped to surface finish of 0.**0 um Ra Max Alternative : Surface finish of 0.**5 um Ra Max is available on request. Tolerance Outside diameter (mm) *-> Standard : *0.**0 to - 0.**5 [G5] Length **-> Standard: *0.**0 to - 0.**0 Applications of Needle Rollers Needle Rollers are available special end forms provide performance benifits for specific kinds of applications as shown below. I-Type BR (Rounded ends) II- Type BP (Flat Underground ends) III- Type BPM (Flat Ground ends)