Tapered roller bearing 30211JR

Bearing number : 30211JR

Size (mm) : 55x100x22.75

Brand : KOYO

Bore Diameter (mm) : 55

Outer Diameter (mm) : 100

Width (mm) : 22,75

Bearing dimensions and specification in KOYO catalogue:

d - 55 mm

D - 100 mm

T - 22,75 mm

B - 21 mm

C - 18 mm

a - 20,7 mm

r min. - 2 mm

r2 min. - 1,5 mm

da min. - 65 mm

da max - 64 mm

Da min - 88 mm

Da max. - 90 mm

Db min. - 94 mm

ra max. - 2 mm

rb max. - 1,5 mm

Weight - 0,732 Kg

Basic dynamic load rating (C) - 94,6 kN

Basic static load rating (C0) - 113 kN

(Grease) Lubrication Speed - 3900 r/min

(Oil) Lubrication Speed - 5200 r/min

Calculation factor (e) - 0,4

Calculation factor (Y0) - 0,81

Calculation factor (Y1) - 1,48

Tags :  KOYO , 55x100x22.75