d - 71,438 mm

D - 136,525 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 - 118 mm

db - 81 mm

ra max. - 3,5 mm

da - 87 mm

Db - 125 mm

Weight - 2,54 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:644/632
• Inner Diameter：71,438mm Outer Diameter：136,525mm Width：41,275mm
• Type：Tapered Roller Bearings
• Update date：2025-12-20
• Application:Plastic Equipment,coal mill,industrial equipment,Hydraulic Couplings,other rubber,bathroom facilities,embroidery cloth,Performance test,Energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving,marine analysis and testing equipment,reducer
• Similar models:Timken HM266446/HM266410 Timken HM516449A/HM516410 Timken 64452A/64700 KOYO HM516448/HM516410 ISB HM266449/HM266410 KOYO 644/633 Timken 644/632B NSK HM516448/HM516410 NTN 4T-64450/64700CD+A KOYO HM516447/HM516410
• BEARING POWER International Trading Co.,Ltd. specialize in 644/632 products，there is large inventory of NSK 644/632 . We has been built up long-term cooperation with NSK company, could make a bulk order of the 644/632 Which NSK 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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