Bearing RNAO55X68X20 (INA)

Needle roller bearings RNAO55X68X20

Bearing number : RNAO55X68X20

Size (mm) : 55x68x20

Brand : INA

Bore Diameter (mm) : 55

Outer Diameter (mm) : 68

Width (mm) : 20

Bearing dimensions and specification in INA catalogue:

F_w - 55 mm

D - 68 mm

C - 20 mm

D_a - 60,8 mm

D_b - 55,8 mm

d_b - 59,4 mm

E - 60 mm

r_{a max} - 0,6 mm

r_min - 0,6 mm

m - 166 g / Weight

C_r - 32000 N / Dynamic load rating (radial)

C_0r - 66000 N / Static load rating (radial)

C_ur - 10700 N / Fatigue limit load, radial

n_G - 8500 1/min / Limiting speed

n_B - 4850 1/min / Reference speed

without ribs

Designation

Bore Dia, mm

Outer Dia, mm: