d - 4 mm

D - 9 mm

B - 4 mm

C - 4 mm

C - 1 mm

D3 - 10,3 mm

Weight - 0,0011 Kg

Basic dynamic load rating (C) - 0,364 kN

Basic static load rating (C0) - 0,114 kN

Fatigue load limit (Pu) - 0,005

Reference speed - 140 000 r/min

Limiting speed - 70 000 r/min

• Model Number: W 638/4 R-2Z
• Inner Diameter：4mm Outer Diameter：9mm Width：4mm
• Type：Deep Groove Ball Bearings
• Update date：2025-12-14
• Application:hydraulic cylinder buffer,vacuum filter,small diesel generators,crimping tools,gantry processing,Rolling mill,DC generators,plastic molding,top industry,non-motor vehicle Electric car,lifting chain
• Similar models:ISB 63801 NSK 638ZZ1 ISB SS638/2-ZZ SKF W638/3R-2RS1 ISB F63803 SKF W63806-2RS1 FBJ 1638ZZ CX 63802-2RS SKF W638-2RS1 ISO 63802ZZ
• BEARING POWER International Trading Co.,Ltd. specialize in W638/4R-2Z products，there is large inventory of SKF W 638/4 R-2Z . We has been built up long-term cooperation with SKF company, could make a bulk order of the W 638/4 R-2Z Which SKF W638/4R-2Z is the most authentic, must choose BEARING POWER, what a whole variety, reasonable price, guaranteed quality, prompt delivery via Global express.Any inquiry, never hesitate to E-mail or call +86-022-58519721 to contact us.

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