K21 NBR(4x12x4)
Inner diameter:: 4 mm
Outer diameter: 12 mm
The size of the width: 4 mm
Outer diameter: 12 mm
The size of the width: 4 mm
U-RING
4x12x4
K21
NBR
STUFFING BOX (REINFORCED CUFFS) NON-STANDARD (TCR)
Manufacturer: STO
Sizes: 32x53x8 (mm)

O-RING
Manufacturer: NQK SF
Sizes: 33.43x35.97x1.27 (mm)

Торцевое уплотнение RM X-28
Manufacturer: RiMi

Bearing K50X57X18
Manufacturer: ETERNO
Sizes: 50x57x18 (mm)
Weight:: 0.047 (kg)

ContiTech STD 8M 15 HF
Manufacturer: ContiTech AG

Подшипник 54420X
Manufacturer: NSK-RHP
Sizes: 100x210x160 (mm)
Weight:: 0.73 (kg)

AX 57 AX 1478 Ld
Manufacturer: ContiTech AG

K85 PU(133,4x125x7)
Manufacturer: KASTAS
Sizes: 133,4x125x7 (mm)

Bearing NJ306E (42306E)
Manufacturer: TMB
Sizes: 30x72x19 (mm)
Weight:: 0.37 (kg)

ПОДШИПНИК ШПИНДЕЛЬНЫЙ B7002-C-T-P4S
Manufacturer: FAG
Sizes: 15x32x9 (mm)


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.