Bearing BK4520 (INA)

Drawn cup needle roller bearings BK4520

Bearing number : BK4520

Size (mm) : 45x52x20

Brand : INA

Bore Diameter (mm) : 45

Outer Diameter (mm) : 52

Width (mm) : 20

Bearing dimensions and specification in INA catalogue:

F_w - 45 mm

D - 52 mm

C - 20 mm / Tolerance: -0,3

C_{t min} - 17,3 mm

r_min - 0,8 mm

m - 72 g / Weight

C_r - 27000 N / Dynamic load rating (radial)

C_0r - 59000 N / Static load rating (radial)

C_ur - 7600 N / Fatigue limit load, radial

n_G - 5900 1/min / Limiting speed

n_B - 4300 1/min / Reference speed

- LR40X45X20,5 / Suitable inner ring

- IR40X45X20,5 / Suitable inner ring

DIN 618-1/ISO 3245

Designation

Bore Dia, mm

Outer Dia, mm: