d - 71,438 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 - 87 mm

da - 81 mm

Db - 118 mm

Aa - 4,2 mm

Ab - 1,9 mm

Weight - 2,57 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: 644/632
• Inner Diameter：71,438mm Outer Diameter：136,525mm Width：41,275mm
• Type：Tapered Roller Bearings
• Update date：2025-04-21
• Application:tobacco machinery,chamfer,Surveying Surveying Instruments,medical equipment,Leather Products,Display Devices,chamfering machine etc,Traffic Fire Protection Equipment Security equipment,metallurgy,gantry processing,machining
• Similar models:NTN 4T-HM516448/HM516410 CX HM266448/10 KOYO HM516449/HM516410 FBJ 64450/64708 KOYO HM266448/HM266410 ISO HM266447/10 Timken 644/632B NTN 4T-64450/64700D+A CX HM516442/10 Timken 64433/64700
• BEARING POWER International Trading Co.,Ltd. specialize in 644/632 products，there is large inventory of Timken 644/632 . We has been built up long-term cooperation with Timken company, could make a bulk order of the 644/632 Which Timken 644/632 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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