Bearing NA4904-RSR (INA)

Needle roller bearings NA4904-RSR

Bearing number : NA4904-RSR

Size (mm) : 20x37x18

Brand : INA

Bore Diameter (mm) : 20

Outer Diameter (mm) : 37

Width (mm) : 18

Bearing dimensions and specification in INA catalogue:

d - 20 mm

D - 37 mm

B - 18 mm

C - 17 mm

F - 25 mm

r_min - 0,3 mm

m - 80 g / Weight

C_r - 19500 N / Dynamic load rating (radial)

C_0r - 19900 N / Static load rating (radial)

C_ur - 3750 N / Fatigue limit load, radial

n_{G Fett} - 7500 1/min / Limiting speed for grease lubrication

dimension series 49, lip seal on one side

Designation

Bore Dia, mm

Outer Dia, mm: