Bearing NJ 211 ECM (SKF)

Cylindrical roller bearings, single row NJ 211 ECM

Bearing number : NJ 211 ECM

Size (mm) : 55x100x21

Brand : SKF

Bore Diameter (mm) : 55

Outer Diameter (mm) : 100

Width (mm) : 21

Bearing dimensions and specification in SKF catalogue:

d - 55 mm

D - 100 mm

B - 21 mm

d₁ - - 70.8 mm

D₁ - - 85.6 mm

F - 66 mm

r_1,2 - min. - 1.5 mm

r_3,4 - min. - 1.5 mm

s - 1 mm

d_a - min. - 63 mm

d_a - max. - 64 mm

d_b - min. - 73 mm

D_a - max. - 91.4 mm

r_a - max. - 1.5 mm

Basic dynamic load rating - C - 96.5 kN

Basic static load rating - C₀ - 95 kN

Fatigue load limit - P_u - 12.2 kN

Reference speed - 7500 r/min

Limiting speed - 8000 r/min

Calculation factor - k_r - 0.15

Mass bearing - 0.756 kg

Designation

Bore Dia, mm

Outer Dia, mm: