d - 3 mm

D - 7 mm

B - 3 mm

C - 3 mm

d1 - – mm

d2 - 3,8 mm

r1 min. - 3,7 mm

r2 min. - 3,7 mm

D1 - 6,4 mm

D2 - 0,1 mm

da min. - 3,8 mm

Da max. - 6,5 mm

ra max. - 0,1 mm

Weight - 0,0005 Kg

Basic dynamic load rating (C) - 0,178 kN

Basic static load rating (C0) - 0,057 kN

Fatigue load limit (Pu) - 0,002

Reference speed - 160000 r/min

Limiting speed - 80000 r/min

Calculation factor (f0) - 7,1

Calculation factor (kr) - 0,02

• Model Number:W638/3-2Z
• Inner Diameter：3mm Outer Diameter：7mm Width：3mm
• Type：Deep Groove Ball Bearings
• Update date：2025-12-12
• Application:transportation equipment,metallurgical mold,inorganic chemical,surgical instruments,industrial skin care,Flame Cutting,Laser Measurements,pneumatic,Hydraulic Rama,medical equipment,spreader series
• Similar models:ZEN S638-2Z ISO 63801 FBJ 1638-2RS ISB 63801-ZZ SKF W63801R-2Z ISB 638 CYSD 1638-2RS ISB F63803 ISO 638-2RS FBJ 1638
• BEARING POWER International Trading Co.,Ltd. specialize in W638/3-2Z products，there is large inventory of SKF W638/3-2Z . We has been built up long-term cooperation with SKF company, could make a bulk order of the W638/3-2Z Which SKF W638/3-2Z 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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