Bearing QJ 306 N2PHAS (SKF)

Angular contact ball bearings, four-point contact ball bearings QJ 306 N2PHAS

Bearing number : QJ 306 N2PHAS

Size (mm) : 30x72x19

Brand : SKF

Bore Diameter (mm) : 30

Outer Diameter (mm) : 72

Width (mm) : 19

Bearing dimensions and specification in SKF catalogue:

d - 30 mm

D - 72 mm

B - 19 mm

d₁ - - 40.5 mm

D₁ - - 58.2 mm

a - 36 mm

h - 3.5 mm

b - 4.5 mm

r₀ - 0.5 mm

r_1,2 - min. - 1.1 mm

d_a - min. - 37 mm

D_a - max. - 65 mm

r_a - max. - 1 mm

Basic dynamic load rating - C - 53 kN

Basic static load rating - C₀ - 41.5 kN

Fatigue load limit - P_u - 1.8 kN

Reference speed - 14000 r/min

Limiting speed - 17000 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 - 0.42 kg

Designation

Bore Dia, mm

Outer Dia, mm: