Bearing BK 4020 (SKF)

Drawn cup needle roller bearings BK 4020

Bearing number : BK 4020

Size (mm) : 40x47x20

Brand : SKF

Bore Diameter (mm) : 40

Outer Diameter (mm) : 47

Width (mm) : 20

Bearing dimensions and specification in SKF catalogue:

F_w - 40 mm

D - 47 mm

C - 20 mm

C₁ - min. - 17.3 mm

r - min. - 0.8 mm

Basic dynamic load rating - C - 24.2 kN

Basic static load rating - C₀ - 53 kN

Fatigue load limit - P_u - 6.4 kN

Reference speed - 6300 r/min

Limiting speed - 7000 r/min

Mass bearing - 0.062 kg

Inner ring IR series - IR 35x40x20.5

Inner ring LR series - LR 35x40x20.5

Radial shaft seal with a low cross-sectional height, single lip - G 40x47x4

Radial shaft seal with a low cross-sectional height, double lip - SD 40x47x4

Designation

Bore Dia, mm

Outer Dia, mm: