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Bearing number : BK4520
Size (mm) : 45x52x20
Brand : INA
Bore Diameter (mm) : 45
Outer Diameter (mm) : 52
Width (mm) : 20
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
Closure type indicates whether there is a seal or shield on the bearing. Closures keep lubricant in the bearing and keep contaminants out. Seals or shields may be located on either side of the bearing. Contact seals that touch the inner ring are usually made of rubber and provide optimal protection.
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