Bearing QJ 1268 MA/344524 (SKF)

Angular contact ball bearings, four-point contact ball bearings QJ 1268 MA/344524

Bearing number : QJ 1268 MA/344524

Size (mm) : 340x620x118

Brand : SKF

Bore Diameter (mm) : 340

Outer Diameter (mm) : 620

Width (mm) : 118

Bearing dimensions and specification in SKF catalogue:

d - 340 mm

D - 620 mm

B - 118 mm

d₁ - - 447 mm

D₁ - - 513 mm

a - 480 mm

r_1,2 - min. - 6 mm

d_a - min. - 368 mm

D_a - max. - 592 mm

r_a - max. - 5 mm

Basic dynamic load rating - C - 1060 kN

Basic static load rating - C₀ - 2450 kN

Fatigue load limit - P_u - 47.5 kN

Reference speed - 1000 r/min

Limiting speed - 1600 r/min

Calculation factor - k_a - 0.9

Calculation factor - e - 1.34

Calculation factor - X - 0.54

Calculation factor - Y₀ - 0.44

Calculation factor - Y₁ - 0.47

Calculation factor - Y₂ - 0.81

Mass bearing - 165 kg

Designation

Bore Dia, mm

Outer Dia, mm: