Bearings NA4864
Inner diameter:: 320 mm
Outer diameter: 400 mm
The size of the width: 80 mm
Weight:: 23 kg
Outer diameter: 400 mm
The size of the width: 80 mm
Weight:: 23 kg
Technical specifications
Designation: NA4864
Producer: INA
Technical data from the manufacturers catalog :
Inner diameter (d): 320 mm
Inner diameter (F): 350 mm
Outside diameter (D): 400 mm
Width (B): 80 mm
Weight: 23 kg
Limiting speed (rpm): 1400
Loading capacity dynamic (C): 630.0
Loading capacity dynamic (C0): 1850.0
ПОДШИПНИК ШПИНДЕЛЬНЫЙ HCB71919-E-T-P4S
Manufacturer: FAG
Sizes: 95x130x18 (mm)

SPA 2182 Lw L=L EL
Manufacturer: ContiTech AG

Подшипник 21310E
Manufacturer: NACHI
Sizes: 50x110x27 (mm)
Weight:: 1.36 (kg)

K21 PU(30,16x38,1x3,97)
Manufacturer: KASTAS
Sizes: 30,16x38,1x3,97 (mm)

Подшипник E30207J
Manufacturer: NACHI
Sizes: 35x72x18.25 (mm)
Weight:: 0.32 (kg)

SEALS (REINFORCED SEAL) (AS)
Manufacturer: FEKO
Sizes: 380x430x15 (mm)

Подшипник 23920E
Manufacturer: NACHI
Sizes: 100x140x30 (mm)
Weight:: 1.46 (kg)

STUFFING BOX (REINFORCED CUFFS) NON-STANDARD (SC)
Manufacturer: STO
Sizes: 25x62x6 (mm)

K21 PU(80x95x12)
Manufacturer: KASTAS
Sizes: 80x95x12 (mm)

Bearing 6001RZ (160101)
Manufacturer: TMB
Sizes: 12x28x8 (mm)
Weight:: 0.022 (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.