Bearing 21308 EK (SKF)

Spherical roller bearings 21308 EK

Bearing number : 21308 EK

Size (mm) : 40x90x23

Brand : SKF

Bore Diameter (mm) : 40

Outer Diameter (mm) : 90

Width (mm) : 23

Bearing dimensions and specification in SKF catalogue:

d - 40 mm

D - 90 mm

B - 23 mm

d₂ - - 60 mm

D₁ - - 79.8 mm

b - 5.5 mm

K - 3 mm

r_1,2 - min. - 1.5 mm

d_a - min. - 47.2 mm

d_a - max. - 60 mm

D_a - max. - 81 mm

r_a - max. - 1.5 mm

Basic dynamic load rating - C - 107 kN

Basic static load rating - C₀ - 108 kN

Fatigue load limit - P_u - 12 kN

Reference speed - 7000 r/min

Limiting speed - 9500 r/min

Calculation factor - e - 0.24

Calculation factor - Y₁ - 2.8

Calculation factor - Y₂ - 4.2

Calculation factor - Y₀ - 2.8

Weight - 0.74 kg

Designation

Bore Dia, mm

Outer Dia, mm: