d - 640 mm
D - 740 mm
B - 38 mm
C - 38 mm
r min. - 2,1 mm
da min. - 662 mm
Da max. - 714 mm
ra max. - 2 mm
Weight - 26,8 Kg
Basic dynamic load rating (C) - 248 kN
Basic static load rating (C0) - 535 kN
Calculation factor (f0) - 17,9
- Model Number: B640-2
- Inner Diameter：640mm Outer Diameter：740mm Width：38mm
- Type：Deep Groove Ball Bearings
- Update date：2025-12-17
- Application:food safety,Pneumatic Control Valves,Hydraulic Equipment,sucker industry,office outdoor camping equipment,Oral Equipment,atomizer class,Spectrum Products,reducer,medical equipment,filter paper products
- Similar models:SKF 6409 SKF 6407NR FBJ 6409 NKE 6408-NR ZEN 6405-2RS CYSD 1640 FAG 6409 ZEN 6405-2Z NTN-SNR 6407 NTN 6404Z
- BEARING POWER International Trading Co.,Ltd. specialize in B640-2 products，there is large inventory of NSK B640-2 . We has been built up long-term cooperation with NSK company, could make a bulk order of the B640-2 Which NSK B640-2 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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