Bearing 30210JR (KOYO)

Tapered roller bearings 30210JR

Bearing number : 30210JR

Size (mm) : 50x90x21.75

Brand : KOYO

Bore Diameter (mm) : 50

Outer Diameter (mm) : 90

Width (mm) : 21,75

Bearing dimensions and specification in KOYO catalogue:

d - 50 mm

D - 90 mm

T - 21,75 mm

B - 20 mm

C - 17 mm

a - 20,1 mm

r min. - 1,5 mm

r2 min. - 1,5 mm

da min. - 58,5 mm

da max - 58 mm

Da min - 79 mm

Da max. - 81,5 mm

Db min. - 85 mm

ra max. - 1,5 mm

rb max. - 1,5 mm

Weight - 0,566 Kg

Basic dynamic load rating (C) - 76,5 kN

Basic static load rating (C0) - 91,7 kN

(Grease) Lubrication Speed - 4300 r/min

(Oil) Lubrication Speed - 5700 r/min

Calculation factor (e) - 0,42

Calculation factor (Y0) - 0,79

Calculation factor (Y1) - 1,43

Designation

Bore Dia, mm

Outer Dia, mm: