Bearing 4311 ATN9 (SKF)

Double row deep groove ball bearings 4311 ATN9

Bearing number : 4311 ATN9

Size (mm) : 55x120x43

Brand : SKF

Bore Diameter (mm) : 55

Outer Diameter (mm) : 120

Width (mm) : 43

Bearing dimensions and specification in SKF catalogue:

d - 55 mm

D - 120 mm

B - 43 mm

d₁ - - 76.5 mm

D₁ - - 98.5 mm

r_1,2 - min. - 2 mm

d_a - min. - 66 mm

D_a - max. - 109 mm

r_a - max. - 2 mm

Basic dynamic load rating - C - 97.5 kN

Basic static load rating - C₀ - 83 kN

Fatigue load limit - P_u - 3.4 kN

Reference speed - 9000 r/min

Limiting speed - 5000 r/min

Calculation factor minimum radial load - k_r - 0.06

Calculation factor - f₀ - 14

Mass bearing - 2.15 kg

Designation

Bore Dia, mm

Outer Dia, mm: