d - 9 mm

D - 30 mm

B - 10 mm

C - 10 mm

r min. - 0,6 mm

r1 min. - 0,6 mm

da min. - 13 mm

Da max. - 26 mm

ra max. - 0,6 mm

Weight - 0,035 Kg

Basic dynamic load rating (C) - 6 kN

Basic static load rating (C0) - 2,65 kN

(Grease) Lubrication Speed - 24000 r/min

(Oil) Lubrication Speed - 29000 r/min

Calculation factor (f0) - 12,3

• Model Number:639
• Inner Diameter：9mm Outer Diameter：30mm Width：10mm
• Type：Deep Groove Ball Bearings
• Update date：2025-12-12
• Application:auto tools,Infrared Technology,Industrial,electrocardiograph,lifting equipment Hoisting hoist,Solenoid Valves,machine tool spindle,roller lathe,equipment,office outdoor camping equipment,medical equipment
• Similar models:SKF W639/3-2RS1 CYSD 1639-RS KOYO 639ZZ NSK 639VV SKF W639-2Z NSK 639ZZ CYSD 1639-Z FBJ 639ZZ CYSD 1639-2RS SKF W639/3R-2Z
• BEARING POWER International Trading Co.,Ltd. specialize in 639 products，there is large inventory of KOYO 639 . We has been built up long-term cooperation with KOYO company, could make a bulk order of the 639 Which KOYO 639 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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