Bearing 25577 / 25521
Inner diameter:: 42.875 mm
Outer diameter: 82.058 mm
The size of the width: 23.812 mm
Weight:: 0.574 kg
Outer diameter: 82.058 mm
The size of the width: 23.812 mm
Weight:: 0.574 kg
Technical specifications
Designation: 25577 / 25521
Producer: TIMKEN
Technical data from the manufacturers catalog :
Inner diameter(d): 42.875 mm
External diameter(D): 82.058 mm
Working width (T): 23.812 mm
Width (height) (B): 25.4 mm
Outer cage width (C): 19.05 mm
Internal chamfer radius (R): 3.5 mm
Outside chamfer radius (r): 3.3 mm
Cr (KN): 76
Cor (KN): 98
a: 17.5 мм
Width: 0.574 mm
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Weight:: 3.62 (kg)

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Sizes: 30x40x7,5 (mm)

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Sizes: 45x54x75 (mm)

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Weight:: 0.059 (kg)

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Manufacturer: TMB
Sizes: 110x170x45 (mm)
Weight:: 3.4 (kg)

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Manufacturer: ContiTech AG

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Weight:: 4.1 (kg)

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Sizes: 40x55x7 (mm)

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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.