Bearing 303/28CR (KOYO)

Tapered roller bearings 303/28CR

Bearing number : 303/28CR

Size (mm) : 28x68x19.75

Brand : KOYO

Bore Diameter (mm) : 28

Outer Diameter (mm) : 68

Width (mm) : 19,75

Bearing dimensions and specification in KOYO catalogue:

d - 28 mm

D - 68 mm

T - 19,75 mm

B - 18 mm

C - 14 mm

a - 17,8 mm

r min. - 1,5 mm

r2 min. - 1,5 mm

da min. - 36,5 mm

da max - 37 mm

Da min - 55 mm

Da max. - 59,5 mm

Db min. - 64 mm

ra max. - 1,5 mm

rb max. - 1,5 mm

Weight - 0,332 Kg

Basic dynamic load rating (C) - 51,7 kN

Basic static load rating (C0) - 50,2 kN

(Grease) Lubrication Speed - 6200 r/min

(Oil) Lubrication Speed - 8200 r/min

Calculation factor (e) - 0,55

Calculation factor (Y0) - 0,6

Calculation factor (Y1) - 1,1

Designation

Bore Dia, mm

Outer Dia, mm: