Bearing 31308 (NKE)

Tapered roller bearings 31308

Bearing number : 31308

Size (mm) : 40x90x25.25

Brand : NKE

Bore Diameter (mm) : 40

Outer Diameter (mm) : 90

Width (mm) : 25,25

Bearing dimensions and specification in NKE catalogue:

d - 40 mm

D - 90 mm

T - 25,25 mm

B - 23 mm

C - 17 mm

a - 30 mm

r1 min. - 2 mm

r2 min. - 2 mm

r3 min. - 1,5 mm

r4 min. - 1,5 mm

da max - 51 mm

Da min - 71 mm

db min - 49 mm

Db min. - 86 mm

Weight - 0,75 Kg

Basic dynamic load rating (C) - 80 kN

Basic static load rating (C0) - 82 kN

Limiting speed - 7500 r/min

Calculation factor (e) - 0,83

Calculation factor (Y) - 0,73

Calculation factor (Y0) - 0,4

Designation

Bore Dia, mm

Outer Dia, mm: