Bearing NA4844 (INA)

Needle roller bearings NA4844

Bearing number : NA4844

Size (mm) : 220x270x50

Brand : INA

Bore Diameter (mm) : 220

Outer Diameter (mm) : 270

Width (mm) : 50

Bearing dimensions and specification in INA catalogue:

d - 220 mm

D - 270 mm

B - 50 mm

F - 240 mm

r_min - 1,5 mm

s - 1,5 mm / Axial displacement

m - 6380 g / Weight

C_r - 275000 N / Dynamic load rating (radial)

C_0r - 790000 N / Static load rating (radial)

C_ur - 110000 N / Fatigue limit load, radial

n_G - 1980 1/min / Limiting speed

n_B - 1130 1/min / Reference speed

dimension series 48, to DIN 617/ISO 1206

Designation

Bore Dia, mm

Outer Dia, mm: