d - 5 mm

D - 11 mm

B - 5 mm

C - 5 mm

d1 - – mm

d2 - 6,2 mm

r1 min. - 5,9 mm

r2 min. - 5,9 mm

D1 - 9,9 mm

D2 - 0,15 mm

da min. - 6,1 mm

Da max. - 10 mm

ra max. - 0,15 mm

Weight - 0,0018 Kg

Basic dynamic load rating (C) - 0,403 kN

Basic static load rating (C0) - 0,143 kN

Fatigue load limit (Pu) - 0,006

Reference speed - 120000 r/min

Limiting speed - 60000 r/min

Calculation factor (f0) - 7,1

Calculation factor (kr) - 0,02

• Model Number:W638/5-2Z
• Inner Diameter：5mm Outer Diameter：11mm Width：5mm
• Type：Deep Groove Ball Bearings
• Update date：2025-12-12
• Application:motor,position switch,Performance test,Broadcasting System,metering pump,Safety protection,electrostatic protection,Embroidery,Anti-defibrillation pacing,Spectrum Products,Security Equipment
• Similar models:NSK 638DD SKF W63802 SKF W63805-2RS1 SKF W638/5-2RS1 KOYO 638-2RD CX 63801ZZ SKF W638/1 SKF W63806-2RS1 ISO 63801 ISB F63801
• BEARING POWER International Trading Co.,Ltd. specialize in W638/5-2Z products，there is large inventory of SKF W638/5-2Z . We has been built up long-term cooperation with SKF company, could make a bulk order of the W638/5-2Z Which SKF W638/5-2Z 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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