d - 71,438 mm

T - 41,275 mm

B - 41,275 mm

C - 31,75 mm

a - 30,3 mm

r min. - 6,4 mm

r1 min. - 3,2 mm

Da - 116 mm

db - 81 mm

da - 93 mm

Db - 124 mm

Basic dynamic load rating (C) - 197 kN

Basic static load rating (C0) - 267 kN

Calculation factor (e) - 0,36

Calculation factor (Y0) - 0,91

Calculation factor (Y1) - 1,66

• Model Number:645/633
• Inner Diameter：71,438mm Outer Diameter：mm Width：41,275mm
• Type：Tapered Roller Bearings
• Update date：2025-12-18
• Application:textile machinery,die casting mold,Machine tool accessories,dynamic blood pressure,experimental equipment,Security Equipment,Animal Tracking,multi-knife lathe,raw material accessories,rolling machine,non-motor vehicle Electric car
• Similar models:KOYO 6455/6420 NACHI 645/632 NACHI 6454/6420 CX HM746645/10 Timken NP296458/NP514720 NSK 6455/6420 Fersa 645/632 Timken 645X/632 ISO HM746645/10 NTN 4T-645/632
• BEARING POWER International Trading Co.,Ltd. specialize in 645/633 products，there is large inventory of KOYO 645/633 . We has been built up long-term cooperation with KOYO company, could make a bulk order of the 645/633 Which KOYO 645/633 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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