Bearing NU 20/500 ECMA (SKF)

Cylindrical roller bearings, single row NU 20/500 ECMA

Bearing number : NU 20/500 ECMA

Size (mm) : 500x720x128

Brand : SKF

Bore Diameter (mm) : 500

Outer Diameter (mm) : 720

Width (mm) : 128

Bearing dimensions and specification in SKF catalogue:

d - 500 mm

D - 720 mm

B - 128 mm

D₁ - - 649 mm

F - 553 mm

r_1,2 - min. - 6 mm

s - 12.7 mm

d_a - min. - 523 mm

d_a - max. - 549 mm

d_b - min. - 558 mm

D_a - max. - 697 mm

r_a - max. - 5 mm

Basic dynamic load rating - C - 2920 kN

Basic static load rating - C₀ - 5850 kN

Fatigue load limit - P_u - 440 kN

Reference speed - 750 r/min

Limiting speed - 1100 r/min

Calculation factor - k_r - 0.14

Mass bearing - 180 kg

Designation

Bore Dia, mm

Outer Dia, mm: