Bearing NKI 42/20 (SKF)

Needle roller bearings, with machined rings, with an inner ring NKI 42/20

Bearing number : NKI 42/20

Size (mm) : 42x57x20

Brand : SKF

Bore Diameter (mm) : 42

Outer Diameter (mm) : 57

Width (mm) : 20

Bearing dimensions and specification in SKF catalogue:

d - 42 mm

D - 57 mm

B - 20 mm

F - 47 mm

r_1,2 - min. - 0.3 mm

s - 0.5 mm

d_a - min. - 44 mm

D_a - max. - 55 mm

r_a - max. - 0.3 mm

Basic dynamic load rating - C - 29.2 kN

Basic static load rating - C₀ - 61 kN

Fatigue load limit - P_u - 7.6 kN

Reference speed - 8500 r/min

Limiting speed - 10000 r/min

Mass bearing - 0.144 kg

Designation

Bore Dia, mm

Outer Dia, mm: