d - 71,438 mm

D - 136,525 mm

T1 - 16,662 mm

B - 41,275 mm

C - 31,75 mm

R - 3,6 mm

a - -11,2 mm

D1 - 143,561 mm

Da - 118 mm

db - 87 mm

C2 - 7,137 mm

da - 81 mm

Weight - 2,65 Kg

Basic static load rating (C0) - 298 kN

Factor (G1) - 106,4

Factor (G2) - 21

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:644/632B
• Inner Diameter：71,438mm Outer Diameter：136,525mm Width：41,275mm
• Type：Tapered Roller Bearings
• Update date：2025-12-12
• Application:Display Devices,cooling system,Generator,squeeze machine etc,wheel lathe,Performance test,Insect Capture,gantry processing,gear grinding machine,Infrared Technology,chromatography
• Similar models:NSK HM516448/HM516410 KOYO HM516448/HM516410 NTN T-E-HM266449D/HM266410/HM266410DG2 NACHI 644/633 NSK 64433/64700 ISB HM266449/HM266410 Timken HM516449C/HM516410 FBJ 64450/64700 ISO 64432/64700 AST 64450/64700
• BEARING POWER International Trading Co.,Ltd. specialize in 644/632B products，there is large inventory of Timken 644/632B . We has been built up long-term cooperation with Timken company, could make a bulk order of the 644/632B Which Timken 644/632B 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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