Bearing NA 4911 (SKF)

Needle roller bearings, with machined rings, with an inner ring NA 4911

Bearing number : NA 4911

Size (mm) : 55x80x25

Brand : SKF

Bore Diameter (mm) : 55

Outer Diameter (mm) : 80

Width (mm) : 25

Bearing dimensions and specification in SKF catalogue:

d - 55 mm

D - 80 mm

B - 25 mm

F - 63 mm

r_1,2 - min. - 1 mm

s - 1.5 mm

d_a - min. - 60 mm

D_a - max. - 75 mm

r_a - max. - 1 mm

Basic dynamic load rating - C - 57.2 kN

Basic static load rating - C₀ - 106 kN

Fatigue load limit - P_u - 13.2 kN

Reference speed - 6300 r/min

Limiting speed - 7000 r/min

Mass bearing - 0.393 kg

Designation

Bore Dia, mm

Outer Dia, mm: