Bearing NJ 3884 MA (SKF)

Cylindrical roller bearings, single row NJ 3884 MA

Bearing number : NJ 3884 MA

Size (mm) : 420x520x75

Brand : SKF

Bore Diameter (mm) : 420

Outer Diameter (mm) : 520

Width (mm) : 75

Bearing dimensions and specification in SKF catalogue:

d - 420 mm

D - 520 mm

B - 75 mm

d₁ - - 457 mm

D₁ - - 489 mm

F - 447 mm

r_1,2 - min. - 2.1 mm

s - 2.8 mm

d_a - min. - 427 mm

d_a - max. - 441 mm

d_b - min. - 462 mm

D_a - max. - 510 mm

r_a - max. - 1.5 mm

Basic dynamic load rating - C - 935 kN

Basic static load rating - C₀ - 2240 kN

Fatigue load limit - P_u - 193 kN

Reference speed - 1100 r/min

Limiting speed - 1600 r/min

Calculation factor - k_r - 0.1

Mass bearing - 33 kg

Designation

Bore Dia, mm

Outer Dia, mm: