... external ring is made of high quality thin sheet and manufactured by fine stamping process. It is ... fitted with corresponding plastic retainer and spring and can transmit a great torque and save the space. The needle ... HF, HFL, SCE, BHA, SCH, F SeriesNeedle Roller and Cage Assemblies: K, K-ZW, K-D, K- ... KR, KR PP, KRV, KRV PP, NUKR SeriesThrust Roller and Cage Assemblies: AXK, AXW, K811, K812, K893, K874 ...