Bearing NA4928 (INA)

Needle roller bearings NA4928

Bearing number : NA4928

Size (mm) : 140x190x50

Brand : INA

Bore Diameter (mm) : 140

Outer Diameter (mm) : 190

Width (mm) : 50

Bearing dimensions and specification in INA catalogue:

d - 140 mm

D - 190 mm

B - 50 mm

F - 160 mm

r_min - 1,5 mm

s - 1,5 mm / Axial displacement

m - 4150 g / Weight

C_r - 237000 N / Dynamic load rating (radial)

C_0r - 500000 N / Static load rating (radial)

C_ur - 78000 N / Fatigue limit load, radial

n_G - 2900 1/min / Limiting speed

n_B - 1920 1/min / Reference speed

dimension series 49, to DIN 617/ISO 1206

Designation

Bore Dia, mm

Outer Dia, mm: