Bearing NA4864 (INA)

Needle roller bearings NA4864

Bearing number : NA4864

Size (mm) : 320x400x80

Brand : INA

Bore Diameter (mm) : 320

Outer Diameter (mm) : 400

Width (mm) : 80

Bearing dimensions and specification in INA catalogue:

d - 320 mm

D - 400 mm

B - 80 mm

F - 350 mm

r_min - 2,1 mm

s - 2 mm / Axial displacement

m - 23000 g / Weight

C_r - 710000 N / Dynamic load rating (radial)

C_0r - 1850000 N / Static load rating (radial)

C_ur - 242000 N / Fatigue limit load, radial

n_G - 1340 1/min / Limiting speed

n_B - 680 1/min / Reference speed

dimension series 48, to DIN 617/ISO 1206

Designation

Bore Dia, mm

Outer Dia, mm: