d - 69,85 mm

T - 41,275 mm

B - 41,275 mm

C - 31,75 mm

a - 30,3 mm

r min. - 3,6 mm

r1 min. - 3,2 mm

Da - 116 mm

db - 80 mm

da - 86 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:643/633
• Inner Diameter：69,85mm Outer Diameter：mm Width：41,275mm
• Type：Tapered Roller Bearings
• Update date：2023-03-30
• Application:Laser Cutting,machine lathe,machine tool spindle,hydraulic pump,small diesel generators,electromagnet,wheel lathe,surgical instruments,directional control valve,EEG,metal mold
• Similar models:Timken 643/633 NTN 4T-NA643/632D Fersa 643/632 NTN 4T-L44643/L44610 KOYO EE776430/776520 CX L44643/10 ISO 643/632 NTN 4T-643/632D+A Timken L44643/L44610 Timken L44643/L44613
• BEARING POWER International Trading Co.,Ltd. specialize in 643/633 products，there is large inventory of KOYO 643/633 . We has been built up long-term cooperation with KOYO company, could make a bulk order of the 643/633 Which KOYO 643/633 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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