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：2025-12-11
• Application:bathroom facilities,EEG,altimeter etc,medical treatment,standing experimental equipment,medical equipment,animal,organic raw materials,casting embedding,Pump,building decoration raw materials and accessories
• Similar models:KOYO 643/633 ISO L44643/10 AST L44643L/L44610 PFI L44643/10 Timken 643/632 CX HM907643/14 CX L44643/10 AST L44643/L44610 NTN 4T-HM907643/HM907614 NACHI H-L44643R/H-L44610
• 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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