d - 8 mm

D - 28 mm

B - 9 mm

C - 9 mm

r min. - 0,3 mm

db max. - 12,8 mm

Db min. - 22,8 mm

rb max. - 0,3 mm

Weight - 0,0286 Kg

Basic dynamic load rating (C) - 4,55 kN

Basic static load rating (C0) - 1,97 kN

(Grease) Lubrication Speed - 22 000 r/min

• Model Number: 638 DD
• Inner Diameter：8mm Outer Diameter：28mm Width：9mm
• Type：Deep Groove Ball Bearings
• Update date：2025-04-22
• Application:Hydraulic Equipment,Anesthetic Equipment,pipe fittings Steel industry,top industry,Pump,Spectrum Products,respirator,Pneumatic Actuator,Film machine,economic mold,metallurgical mold
• Similar models:ISB SS638/2-ZZ CX 63800-2RS ISB F63801 SKF W638-2Z PFI 638-2RSC3 KOYO 638 ISB SS638/5-ZZ SKF W63805 SKF W63806R ISB 638/8-ZZ
• BEARING POWER International Trading Co.,Ltd. specialize in 638DD products，there is large inventory of NSK 638 DD . We has been built up long-term cooperation with NSK company, could make a bulk order of the 638 DD Which NSK 638DD 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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