Bearing NA4909 2RS
Inner diameter:: 45 mm
Outer diameter: 68 mm
The size of the width: 23 mm
Weight:: 0.290 kg
Outer diameter: 68 mm
The size of the width: 23 mm
Weight:: 0.290 kg
Technical specifications
Designation: NA4909 2RS
Producer: INA
Technical data from the manufacturers catalog :
Inner diameter: 45 mm
External diameter: 68 mm
Width: 23 mm
Weight: 0.290 kg
Limit speed (rpm): 3.900
T5 DD
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Sizes: 22.80x29.00x3.10 (mm)
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Sizes: 28.575x38.100x28.580 (mm)
Weight:: 0.085 (kg)
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Manufacturer: TMB
Sizes: 65x120x23 (mm)
Weight:: 1 (kg)
ПОДШИПНИК ШПИНДЕЛЬНЫЙ B7209-E-T-P4S
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Sizes: 177.800x257.180x66.680 (mm)
Weight:: 11.338 (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.
