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 - 11,4 mm

Da - 118 mm

db - 81 mm

ra max. - 3,5 mm

da - 87 mm

Db - 125 mm

Weight - 2,57 Kg

Basic dynamic load rating (C) - 194 kN

Basic static load rating (C0) - 262 kN

(Grease) Lubrication Speed - 2 800 r/min

(Oil) Lubrication Speed - 3 800 r/min

Calculation factor (e) - 0,36

Calculation factor (Y0) - 0,91

Calculation factor (Y2) - 1,66

• Model Number:4T-644/632
• Inner Diameter：71,438mm Outer Diameter：136,525mm Width：41,275mm
• Type：Tapered Roller Bearings
• Update date：2025-12-16
• Application:screen filter,Optical detection,Industrial equipment,organic raw materials,generator,Traffic Fire Protection Equipment Security equipment,Beauty and Body,top industry,natural instruments,food sterilization,Security Equipment
• Similar models:NTN T-HM266448/HM266410D+A CX 64432/64700 NTN T-HM266446/HM266410 ISB HM266449/HM266410 Timken 64450/64700D+X5S-64450 NTN M276449D/M276410G2+A Timken 644/632B Timken HM266449/HM266410 KOYO 47TS886447 NACHI 64450/64700
• BEARING POWER International Trading Co.,Ltd. specialize in 4T-644/632 products，there is large inventory of NTN 4T-644/632 . We has been built up long-term cooperation with NTN company, could make a bulk order of the 4T-644/632 Which NTN 4T-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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