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：2025-12-16
• Application:Laser Measurements,cooling system,Polymer,Gripper Swing,sleep monitoring,tube,Vertical machining,electric pump,DC generators,stamping die,Forging machine
• Similar models:SKF W63800-2Z ISB SS63800-ZZ ISB 63803 ISB 63802 SKF 638/4-2Z ISO 63800 ISB 63801-ZZ SKF 638-2RZ CYSD 1638-ZZ CX 63800
• 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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