Bearing 33287 / 33472
Inner diameter:: 73.025 mm
Outer diameter: 120.000 mm
The size of the width: 29.794 mm
Weight:: 1.280 kg
Outer diameter: 120.000 mm
The size of the width: 29.794 mm
Weight:: 1.280 kg
Technical specifications
Designation: 33287 / 33472
Producer: TIMKEN
Technical data from the manufacturers catalog :
Inner diameter(d): 73.025 mm
External diameter(D): 120.000 mm
Working width (T): 29.794 mm
Width (height) (B): 30.162 mm
Outer cage width (C): 23.444 mm
Internal chamfer radius (R): 3.5 mm
Outside chamfer radius (r): 0.8 mm
Cr (KN): 117.0
Cor (KN): 175.0
a: 27.8 мм
Width: 1.280 mm
SPB 4500
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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.