Bearing NA4856 (INA)

Needle roller bearings NA4856

Bearing number : NA4856

Size (mm) : 280x350x69

Brand : INA

Bore Diameter (mm) : 280

Outer Diameter (mm) : 350

Width (mm) : 69

Bearing dimensions and specification in INA catalogue:

d - 280 mm

D - 350 mm

B - 69 mm

F - 305 mm

r_min - 2 mm

s - 2,5 mm / Axial displacement

m - 15300 g / Weight

C_r - 510000 N / Dynamic load rating (radial)

C_0r - 1300000 N / Static load rating (radial)

C_ur - 175000 N / Fatigue limit load, radial

n_G - 1540 1/min / Limiting speed

n_B - 840 1/min / Reference speed

dimension series 48, to DIN 617/ISO 1206

Designation

Bore Dia, mm

Outer Dia, mm: