Bearing NA4909-RSR (INA)

Needle roller bearings NA4909-RSR

Bearing number : NA4909-RSR

Size (mm) : 45x68x23

Brand : INA

Bore Diameter (mm) : 45

Outer Diameter (mm) : 68

Width (mm) : 23

Bearing dimensions and specification in INA catalogue:

d - 45 mm

D - 68 mm

B - 23 mm

C - 22 mm

F - 52 mm

r_min - 0,6 mm

m - 290 g / Weight

C_r - 43000 N / Dynamic load rating (radial)

C_0r - 59000 N / Static load rating (radial)

C_ur - 9700 N / Fatigue limit load, radial

n_{G Fett} - 3900 1/min / Limiting speed for grease lubrication

dimension series 49, lip seal on one side

Designation

Bore Dia, mm

Outer Dia, mm: