Drawn cup needle roller bearings BK4020

Bearing number : BK4020

Size (mm) : 40x47x20

Brand : INA

Bore Diameter (mm) : 40

Outer Diameter (mm) : 47

Width (mm) : 20

Bearing dimensions and specification in INA catalogue:

Fw - 40 mm

D - 47 mm

C - 20 mm / Tolerance: -0,3

Ct min - 17,3 mm

rmin - 0,8 mm

m - 62 g / Weight

Cr - 25500 N / Dynamic load rating (radial)

C0r - 52000 N / Static load rating (radial)

Cur - 6800 N / Fatigue limit load, radial

nG - 6600 1/min / Limiting speed

nB - 4750 1/min / Reference speed

- LR35X40X20,5 / Suitable inner ring

- IR35X40X20,5 / Suitable inner ring

DIN 618-1/ISO 3245