SKF NU420M bearing

SKF NU420M, Size: 100x250x58. SKF NU420M are used in a wide variety of applications, suitable for high speeds and are robust in operation, and need little maintenance.

Cylindrical roller bearings, single row NU 420 M

Bearing number : NU 420 M

Size (mm) : 100x250x58

Brand : SKF

Bore Diameter (mm) : 100

Outer Diameter (mm) : 250

Width (mm) : 58

Bearing dimensions and specification in SKF catalogue:

d - 100 mm

D - 250 mm

B - 58 mm

D₁ - - 197.45 mm

F - 139 mm

r_1,2 - min. - 4 mm

r_3,4 - min. - 4 mm

s - 4.9 mm

d_a - min. - 119 mm

d_a - max. - 135 mm

d_b - min. - 142 mm

D_a - max. - 230 mm

r_a - max. - 3 mm

r_b - max. - 3 mm

Basic dynamic load rating - C - 457 kN

Basic static load rating - C₀ - 520 kN

Fatigue load limit - P_u - 58.5 kN

Reference speed - 3000 r/min

Limiting speed - 3600 r/min

Calculation factor - k_r - 0.15

Mass bearing - 15.675 kg

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