d - 2 mm

D - 6 mm

B - 3 mm

C - 3 mm

d1 - 3 mm

d2 - – mm

r1 min. - 2,9 mm

r2 min. - 2,9 mm

D1 - 5,4 mm

D2 - 0,15 mm

da min. - 2,9 mm

Da max. - 5,4 mm

ra max. - 0,15 mm

Weight - 0,00035 Kg

Basic dynamic load rating (C) - 0,19 kN

Basic static load rating (C0) - 0,051 kN

Fatigue load limit (Pu) - 0,002

Reference speed - 180000 r/min

Limiting speed - 90000 r/min

Calculation factor (f0) - 6

Calculation factor (kr) - 0,025

• Model Number: W639/2-2Z
• Inner Diameter：2mm Outer Diameter：6mm Width：3mm
• Type：Deep Groove Ball Bearings
• Update date：2025-12-10
• Application:machine lathe,electric pump,X-ray Equipment,water,motor,injection molding machine,Hair styling device,Industry,Low-voltage electrical equipment,test laboratory equipment and accessories,sterilizers
• Similar models:SKF W639/2-2Z CYSD 1639-ZZ ISO 639ZZ AST 639H SKF W639/2R-2Z ISB SS639/3-ZZ SKF W639/3-2Z FBJ 639ZZ AST 639HZZ ISO 639-2RS
• BEARING POWER International Trading Co.,Ltd. specialize in W639/2-2Z products，there is large inventory of SKF W639/2-2Z . We has been built up long-term cooperation with SKF company, could make a bulk order of the W639/2-2Z Which SKF W639/2-2Z 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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