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INA BK4020 bearing

Bearing BK4020

INA BK4020, Size: 40x47x20. INA BK4020 are used in a wide variety of applications, suitable for high speeds and are robust in operation, and need little maintenance.

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

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