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Company Info
Hangzhou Zhongjian Auto Parts Co., Ltd.

Street Address: 18 Ningdong Road, Economic and Technological Development Zone, Xiaoshan District, Hangzhou City, Zhejiang Province. China

Country/Region: China

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Needle Rollers

Needle Rollers

Market Type:  After Market

Product Attribute:

Outside Diameter:0-0.005mm

Production Description:

Needle rollers are used in automotive transmissions, universal joints, front wheel drive, constant velocity joints water pump bearings, roller clutches, rollerized cam lifters, rocker arms, cam rollers, starter drives and pins and dowels for various applications. Specifications: 1) Materials standard: AISI 52100 or SAE 52100 bearing quality chrome steel 2) Hardness standard: HRC 58 to 64 3) Surface finish standard: OD Ground and Lapped to surface finish of 0.020μm Ra max. 4) Alternative: surface finish of 0.025μm Ra max. is available on request 5) Tolerance outside diameter (standard): +0.000 to - 0.005mm [G5] 6) Length (standard): +0.000 to - 0.500mm Special end forms provide performance benefits for specific kinds of applications as shown below: 1) Type BR (rounded ends) 2) Type BP (flat underground ends) 3) Type BPM (flat ground ends)

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