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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