Bearing 303/28C (KBC)

Tapered roller bearings 303/28C

Bearing number : 303/28C

Size (mm) : 28x68x19.75

Brand : KBC

Bore Diameter (mm) : 28

Outer Diameter (mm) : 68

Width (mm) : 19.75

Bearing dimensions and specification in KBC catalogue:

d - 28 mm

D - 68 mm

T - 19.75 mm

B - 18 mm

C - 14 mm

a - 17.4 mm

r1 min. - 1.5 mm

r2 min. - 1.5 mm

r3 min. - 1.5 mm

r4 min. - 1.5 mm

Weight - 0.335 Kg

Basic dynamic load rating (C) - 52,5 kN

Basic static load rating (C0) - 53,5 kN

(Grease) Lubrication Speed - 5600 r/min

(Oil) Lubrication Speed - 7500 r/min

Calculation factor (e) - 0.52

Calculation factor (Y) - 1.2

Calculation factor (Y0) - 0.64

Designation

Bore Dia, mm

Outer Dia, mm: