Bearing HR30228J (NSK)

Tapered roller bearings HR30228J

Bearing number : HR30228J

Size (mm) : 140x250x45.75

Brand : NSK

Bore Diameter (mm) : 140

Outer Diameter (mm) : 250

Width (mm) : 45,75

Bearing dimensions and specification in NSK catalogue:

d - 140 mm

D - 250 mm

T - 45,75 mm

B - 42 mm

C - 36 mm

a - 48,9 mm

r min. - 4 mm

r1 min. - 3 mm

da min. - 161 mm

Da min - 221 mm

Da max. - 236 mm

db max. - 164 mm

Db min. - 234 mm

ra max. - 3 mm

rb max. - 2,5 mm

Weight - 8,74 Kg

Basic dynamic load rating (C) - 390 kN

Basic static load rating (C0) - 515 kN

(Grease) Lubrication Speed - 1400 r/min

(Oil) Lubrication Speed - 1900 r/min

Calculation factor (e) - 0,44

Calculation factor (Y0) - 0,76

Calculation factor (Y1) - 1,4

Designation

Bore Dia, mm

Outer Dia, mm: