Bearing 420 / 412
Inner diameter:: 40 mm
Outer diameter: 82.55 mm
The size of the width: 34.925 mm
Weight:: 0.86 kg
Outer diameter: 82.55 mm
The size of the width: 34.925 mm
Weight:: 0.86 kg
Technical specifications
Designation: 420 / 412
Producer: TIMKEN
Technical data from the manufacturers catalog :
Inner diameter(d): 40 mm
External diameter(D): 82.55 mm
Working width (T): 34.925 mm
Width (height) (B): 29.083 mm
Outer cage width (C): 30.162 mm
Internal chamfer radius (R): 3.5 mm
Outside chamfer radius (r): 3.3 mm
Cr (KN): 95.5
Cor (KN): 107
a: 16.9 мм
Width: 0.86 mm
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Sizes: 60x80x12,5 (mm)

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Sizes: 1.2x4.8x1.8 (mm)
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Manufacturer: NACHI
Sizes: 85x180x41 (mm)
Weight:: 4.9 (kg)

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Manufacturer: KASTAS
Sizes: 50,8x41,275x11,10 (mm)

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Sizes: 10x22x6 (mm)
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Weight:: 0.45 (kg)

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Sizes: 75x160x58 (mm)
Weight:: 5.31 (kg)


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.