Bearing 28678 / 28621
Inner diameter:: 50.8 mm
Outer diameter: 96.838 mm
The size of the width: 24.608 mm
Weight:: 0.834 kg
Outer diameter: 96.838 mm
The size of the width: 24.608 mm
Weight:: 0.834 kg
Technical specifications
Designation: 28678 / 28621
Producer: TIMKEN
Technical data from the manufacturers catalog :
Inner diameter(d): 50.8 mm
External diameter(D): 96.838 mm
Working width (T): 24.608 mm
Width (height) (B): 24.608 mm
Outer cage width (C): 19.446 mm
Internal chamfer radius (R): 3.5 mm
Outside chamfer radius (r): 0.8 mm
Cr (KN): 88.5
Cor (KN): 128
a: 21.2 мм
Width: 0.834 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.