Bearing NU 221 ECJ (SKF)

Cylindrical roller bearings, single row NU 221 ECJ

Bearing number : NU 221 ECJ

Size (mm) : 105x190x36

Brand : SKF

Bore Diameter (mm) : 105

Outer Diameter (mm) : 190

Width (mm) : 36

Bearing dimensions and specification in SKF catalogue:

d - 105 mm

D - 190 mm

B - 36 mm

D₁ - - 164 mm

F - 125 mm

r_1,2 - min. - 2.1 mm

r_3,4 - min. - 2.1 mm

s - 2 mm

d_a - min. - 117 mm

d_a - max. - 122 mm

d_b - min. - 128 mm

D_a - max. - 177.3 mm

r_a - max. - 2 mm

r_b - max. - 2 mm

Basic dynamic load rating - C - 300 kN

Basic static load rating - C₀ - 315 kN

Fatigue load limit - P_u - 36.5 kN

Reference speed - 3800 r/min

Limiting speed - 4300 r/min

Calculation factor - k_r - 0.15

Mass bearing - 4.1 kg

Designation

Bore Dia, mm

Outer Dia, mm: