Bearing 31311 (7FB)
Inner diameter:: 55 mm
Outer diameter: 120 mm
The size of the width: 29 mm
Weight:: 1.56 kg
Outer diameter: 120 mm
The size of the width: 29 mm
Weight:: 1.56 kg
Technical specifications
Designation : 31311
Producer : GMB
Technical data from the manufacturers catalog :
d - 55 мм
D - 120 мм
T - 31.5 мм
B - 29 мм
C - 21 /kN
Cr - 130 /kN
Cor - 158 /kN
grease - 3400 /(r/min)
oil - 4300 /(r/min)
вес - 1.56 (kg)
e - 0.83
Y - 0.7
Yo - 0.4
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Manufacturer: NSK-RHP
Sizes: 90x125x18 (mm)
Weight:: 0.56 (kg)
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Sizes: 60x69,50x7 (mm)
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Sizes: 25x52x15 (mm)
Weight:: 0.135 (kg)
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Sizes: 22x29x10 (mm)
Weight:: 0.007 (kg)
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Sizes: 85x130x54 (mm)
Weight:: 0.73 (kg)
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Weight:: 0.02 (kg)
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INSTALLING BEARINGS
Approximately 16% of all early pill accidents are caused by faulty mounting (generally excessive force) and lack of proper tools.
DROPPING BEARINGS
The need for dismantling (removal) of the bearing can be caused by several reasons: failure of the bearings, disassembly of other parts of the mechanism, and so on.
SELECTION OF FUEL OILS
The use of grease to lubricate the bearings ensures smooth operation and maximum reliability of bearings, even in extreme conditions.
