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:

Fw - 45 mm

D - 52 mm

C - 20 mm / Tolerance: -0,3

Ct min - 17,3 mm

rmin - 0,8 mm

m - 72 g / Weight

Cr - 27000 N / Dynamic load rating (radial)

C0r - 59000 N / Static load rating (radial)

Cur - 7600 N / Fatigue limit load, radial

nG - 5900 1/min / Limiting speed

nB - 4300 1/min / Reference speed

- LR40X45X20,5 / Suitable inner ring

- IR40X45X20,5 / Suitable inner ring

DIN 618-1/ISO 3245