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：2025-04-18
• Application:beverage production,turret industry,suction nozzle,chamfering machine etc,building decoration raw materials and accessories,glass,security equipment,supporting facilities,security equipment,test equipment,Infrared Technology
• Similar models:FBJ 6407-2RS KOYO 6408 CYSD 1640-Z CYSD 1640-RS NTN 6405ZZ ISB 6407NR SKF 6407N ZEN 6403 NKE 6407-NR ISB 6406
• 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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