d - 69,85 mm

D - 136,525 mm

T - 41,275 mm

B - 41,275 mm

C - 31,75 mm

R - 3,6 mm

r - 3,3 mm

a - -11,2 mm

Da - 125 mm

db - 86 mm

da - 80 mm

Db - 118 mm

Aa - 4,2 mm

Ab - 1,9 mm

Weight - 2,62 Kg

Basic static load rating (C0) - 298 kN

Factor (G1) - 106,4

Factor (G2) - 21

Factor (Cg) - 0,0205

Factor (K) - 1,61

Basic dynamic load rating (C90) - 55,9

Basic dynamic load rating (Ca90) - 34,7

Basic dynamic load rating (C1) - 216 kN

Calculation factor (e) - 0,36

Calculation factor (Y) - 1,66

• Model Number: 643/632
• Inner Diameter：69,85mm Outer Diameter：136,525mm Width：41,275mm
• Type：Tapered Roller Bearings
• Update date：2025-12-09
• Application:linear drive,Tool,Medical printer,electromyography machine,diving equipment,mathematical instruments,Rolling mill,security equipment,Laser Cutting,electrostatic protection,small appliances
• Similar models:NTN 4T-643/632D+A CX 643/632 FAG KL44643-L44610 NTN 4T-HM907643/HM907614 ZVL K-L44643/K-L44610/K-L44600LA Timken 643/632-B CX M86643/10 Timken L44643/L44613 CX HM907643/14 ISO HM907643/14
• BEARING POWER International Trading Co.,Ltd. specialize in 643/632 products，there is large inventory of Timken 643/632 . We has been built up long-term cooperation with Timken company, could make a bulk order of the 643/632 Which Timken 643/632 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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