Bearing NA6904 (INA)

Needle roller bearings NA6904

Bearing number : NA6904

Size (mm) : 20x37x30

Brand : INA

Bore Diameter (mm) : 20

Outer Diameter (mm) : 37

Width (mm) : 30

Bearing dimensions and specification in INA catalogue:

d - 20 mm

D - 37 mm

B - 30 mm

F - 25 mm

r_min - 0,3 mm

s - 1 mm / Axial displacement

m - 141 g / Weight

C_r - 40500 N / Dynamic load rating (radial)

C_0r - 51000 N / Static load rating (radial)

C_ur - 9100 N / Fatigue limit load, radial

n_G - 16900 1/min / Limiting speed

n_B - 9200 1/min / Reference speed

dimension series 49, to DIN 617/ISO 1206

Designation

Bore Dia, mm

Outer Dia, mm: