d - 69,85 mm

D - 130,175 mm

T - 41,275 mm

B - 41,275 mm

C - 31,75 mm

ra1 max. - 3,3 mm

a - 29,9 mm

r min. - 3,5 mm

r1 min. - 3,3 mm

Da - 116 mm

db - 80 mm

ra max. - 3,5 mm

da - 86 mm

Db - 124 mm

Weight - 2,272 Kg

Basic dynamic load rating (C) - 195 kN

Basic static load rating (C0) - 263 kN

(Grease) Lubrication Speed - 2800 r/min

(Oil) Lubrication Speed - 3800 r/min

Calculation factor (e) - 0,36

Calculation factor (Y0) - 0,91

Calculation factor (Y1) - 1,7

• Model Number: 643/633
• Inner Diameter：69,85mm Outer Diameter：130,175mm Width：41,275mm
• Type：Tapered Roller Bearings
• Update date：2025-12-11
• Application:office equipment,magnetic elements,raw material accessories,office outdoor camping equipment,directional control valve,hydraulic control element,lifting equipment Hoisting hoist,small appliances,medical equipment,Medium and large motor,generator
• Similar models:KOYO EE776430/776520 Timken HM907643/HM907614 Timken L44643/L44613 CX L44643/10 AST L44643/L44610 FBJ 643/632 NTN 4T-643/632 PFI L44643/10 NSK L44643/L44610 AST L44643L/L44610
• BEARING POWER International Trading Co.,Ltd. specialize in 643/633 products，there is large inventory of NSK 643/633 . We has been built up long-term cooperation with NSK company, could make a bulk order of the 643/633 Which NSK 643/633 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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