Bearing NA4905 (INA)

Needle roller bearings NA4905

Bearing number : NA4905

Size (mm) : 25x42x17

Brand : INA

Bore Diameter (mm) : 25

Outer Diameter (mm) : 42

Width (mm) : 17

Bearing dimensions and specification in INA catalogue:

d - 25 mm

D - 42 mm

B - 17 mm

F - 30 mm

r_min - 0,3 mm

s - 0,8 mm / Axial displacement

m - 88 g / Weight

C_r - 26500 N / Dynamic load rating (radial)

C_0r - 31500 N / Static load rating (radial)

C_ur - 5700 N / Fatigue limit load, radial

n_G - 14400 1/min / Limiting speed

n_B - 7900 1/min / Reference speed

dimension series 49, to DIN 617/ISO 1206

Designation

Bore Dia, mm

Outer Dia, mm: