Bearing 61921 (SKF)

Deep groove ball bearings, single row 61921

Bearing number : 61921

Size (mm) : 105x145x20

Brand : SKF

Bore Diameter (mm) : 105

Outer Diameter (mm) : 145

Width (mm) : 20

Bearing dimensions and specification in SKF catalogue:

d - 105 mm

D - 145 mm

B - 20 mm

d₁ - - 117.9 mm

D₁ - - 132.1 mm

r_1,2 - min. - 1.1 mm

d_a - min. - 111 mm

D_a - max. - 139 mm

r_a - max. - 1 mm

Basic dynamic load rating - C - 44.2 kN

Basic static load rating - C₀ - 44 kN

Fatigue load limit - P_u - 1.7 kN

Reference speed - 9500 r/min

Limiting speed - 5600 r/min

Calculation factor - k_r - 0.02

Calculation factor - f₀ - 16.5

Mass bearing - 0.87 kg

Designation

Bore Dia, mm

Outer Dia, mm: