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：2025-04-20
• Application:test equipment,Logistics Equipment,embroidery cloth,sucker industry,Individual Wire,Cylinder Micro,Spectrum Products,Body shaping,water protection,Machine tool accessories,electrostatic protection
• Similar models:ISO HM516449/10 NTN HM266449/HM266410DC+A Timken HM516449A/HM516410 CX 64433/64700 KOYO HM516448/HM516410 KOYO 47TS644842 NTN 4T-64450/64700D+A NTN 4T-64433/64700 NTN T-LM654644D/LM654610/LM654610D KOYO 64450R/64700
• 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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