Подшипник 6921
Inner diameter:: 105 mm
Outer diameter: 145 mm
The size of the width: 20 mm
Weight:: 0.793 kg
Outer diameter: 145 mm
The size of the width: 20 mm
Weight:: 0.793 kg
Технические характеристики из каталога производителя:
- Обозначение 6921
- Размер (r min.) 1.1 мм.
- Количество дорожек качения 1
- Уплотнение Нет
- Производитель NACHI
- Масса 0.793 Кг
- Частота вращения предельная при пластичной смазке 4200 об/мин
- Частота вращения предельная при жидкой смазке 5100 об/мин
- Размер сопряженных деталей (da min.) 111
- Размер сопряженных деталей (Da max.) 139
- Размер сопряженных деталей (ra max.) 1.0
HTD 8M 1384 ( HTD8M 1384 -V, -M, -MFX )
Manufacturer: ContiTech AG

K21 PU(25x35x6)
Manufacturer: KASTAS
Sizes: 25x35x6 (mm)

Bearing 306019 (7819)
Manufacturer: TMB
Sizes: 95x160x47 (mm)

ATG10 1810 MFX - Megaflex ( ATK10 1810 BFX - BRECOFLEX )
Manufacturer: ContiTech AG

T20 DD
Manufacturer: ContiTech AG

T5/250 ( Т5 250 )
Manufacturer: ContiTech AG

O-RING
Manufacturer: NQK SF
Sizes: 7.50x9.90x1.20 (mm)

O-RING
Manufacturer: NQK SF
Sizes: 209.00x219.60x5.30 (mm)

STUFFING BOX (REINFORCED CUFFS) NON-STANDARD (SC)
Manufacturer: STO
Sizes: 17x28x6 (mm)

K21 NBR(15,87x25,4x4,76)
Manufacturer: KASTAS
Sizes: 15,87x25,4x4,76 (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.