Bearing HR30306C (NSK)

Tapered roller bearings HR30306C

Bearing number : HR30306C

Size (mm) : 30x72x20.75

Brand : NSK

Bore Diameter (mm) : 30

Outer Diameter (mm) : 72

Width (mm) : 20,75

Bearing dimensions and specification in NSK catalogue:

d - 30 mm

D - 72 mm

T - 20,75 mm

B - 19 mm

C - 14 mm

a - 18,5 mm

r min. - 1,5 mm

r1 min. - 1,5 mm

da min. - 41 mm

Da min - 59 mm

Da max. - 63 mm

db max. - 38 mm

Db min. - 67 mm

ra max. - 1,5 mm

rb max. - 1,5 mm

Weight - 0,383 Kg

Basic dynamic load rating (C) - 56,5 kN

Basic static load rating (C0) - 55,5 kN

(Grease) Lubrication Speed - 5300 r/min

(Oil) Lubrication Speed - 7100 r/min

Calculation factor (e) - 0,55

Calculation factor (Y0) - 0,6

Calculation factor (Y1) - 1,1

Designation

Bore Dia, mm

Outer Dia, mm: