Bearing NJ 306 ECM (SKF)

Cylindrical roller bearings, single row NJ 306 ECM

Bearing number : NJ 306 ECM

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 - - 45 mm

D₁ - - 58.35 mm

F - 40.5 mm

r_1,2 - min. - 1.1 mm

r_3,4 - min. - 1.1 mm

s - 1.4 mm

d_a - min. - 37 mm

d_a - max. - 39 mm

d_b - min. - 47 mm

D_a - max. - 65.1 mm

r_a - max. - 1 mm

Basic dynamic load rating - C - 58.5 kN

Basic static load rating - C₀ - 48 kN

Fatigue load limit - P_u - 6.2 kN

Reference speed - 11000 r/min

Limiting speed - 12000 r/min

Calculation factor - k_r - 0.15

Mass bearing - 0.42 kg

Designation

Bore Dia, mm

Outer Dia, mm: