Bearing QJ 344 N2MA (SKF)

Angular contact ball bearings, four-point contact ball bearings QJ 344 N2MA

Bearing number : QJ 344 N2MA

Size (mm) : 220x460x88

Brand : SKF

Bore Diameter (mm) : 220

Outer Diameter (mm) : 460

Width (mm) : 88

Bearing dimensions and specification in SKF catalogue:

d - 220 mm

D - 460 mm

B - 88 mm

d₁ - - 308 mm

D₁ - - 372 mm

a - 238 mm

h - 15 mm

b - 12.5 mm

r₀ - 2.5 mm

r_1,2 - min. - 5 mm

d_a - min. - 242 mm

D_a - max. - 438 mm

r_a - max. - 4 mm

Basic dynamic load rating - C - 780 kN

Basic static load rating - C₀ - 1400 kN

Fatigue load limit - P_u - 32 kN

Reference speed - 1500 r/min

Limiting speed - 2400 r/min

Calculation factor - k_a - 1.1

Calculation factor - e - 0.95

Calculation factor - X - 0.6

Calculation factor - Y₀ - 0.58

Calculation factor - Y₁ - 0.66

Calculation factor - Y₂ - 1.07

Mass bearing - 78 kg

Designation

Bore Dia, mm

Outer Dia, mm: