Bearing NA4911 (INA)

Needle roller bearings NA4911

Bearing number : NA4911

Size (mm) : 55x80x25

Brand : INA

Bore Diameter (mm) : 55

Outer Diameter (mm) : 80

Width (mm) : 25

Bearing dimensions and specification in INA catalogue:

d - 55 mm

D - 80 mm

B - 25 mm

F - 63 mm

r_min - 1 mm

s - 1,5 mm / Axial displacement

m - 393 g / Weight

C_r - 65000 N / Dynamic load rating (radial)

C_0r - 100000 N / Static load rating (radial)

C_ur - 17300 N / Fatigue limit load, radial

n_G - 7200 1/min / Limiting speed

n_B - 4100 1/min / Reference speed

dimension series 49, to DIN 617/ISO 1206

Designation

Bore Dia, mm

Outer Dia, mm: