Bearing HR31308J (NSK)

Tapered roller bearings HR31308J

Bearing number : HR31308J

Size (mm) : 40x90x25.25

Brand : NSK

Bore Diameter (mm) : 40

Outer Diameter (mm) : 90

Width (mm) : 25,25

Bearing dimensions and specification in NSK catalogue:

d - 40 mm

D - 90 mm

T - 25,25 mm

B - 23 mm

C - 17 mm

a - 28,7 mm

r min. - 2 mm

r1 min. - 1,5 mm

da min. - 56 mm

Da min - 70 mm

Da max. - 81 mm

db max. - 50 mm

Db min. - 87 mm

ra max. - 2 mm

rb max. - 1,5 mm

Weight - 0,728 Kg

Basic dynamic load rating (C) - 80 kN

Basic static load rating (C0) - 89,5 kN

(Grease) Lubrication Speed - 3800 r/min

(Oil) Lubrication Speed - 5300 r/min

Calculation factor (e) - 0,83

Calculation factor (Y0) - 0,4

Calculation factor (Y1) - 0,73

Designation

Bore Dia, mm

Outer Dia, mm: