Bearings NA4903
Inner diameter:: 17 mm
Outer diameter: 30 mm
The size of the width: 13 mm
Weight:: 0.037 kg
Outer diameter: 30 mm
The size of the width: 13 mm
Weight:: 0.037 kg
Technical specifications
Designation: NA4903
Producer: INA
Technical data from the manufacturers catalog :
Inner diameter (d): 17 mm
Inner diameter (F): 22 mm
Outside diameter (D): 30 mm
Width (B): 13 mm
Weight: 0.037 kg
Limiting speed (rpm): 21000
Loading capacity dynamic (C): 11.0
Loading capacity dynamic (C0): 14.6
SEALS (REINFORCED SEAL) (ARSE)
Manufacturer: FEKO
Sizes: 40x70/80x10.50/15 (mm)
HTD 1440 8M EXTREME
Manufacturer: ContiTech AG
GEAR PULLEYS 8M-56S 141 (8M-56S 141/36)
Manufacturer: BBC
K68 POM(20x24x9,4)
Manufacturer: KASTAS
Sizes: 20x24x9,4 (mm)
SALNIK REINFORCED (TC)
Manufacturer: NQK SF
Sizes: 195x230x20 (mm)
K17 PTFE/NBR(40x29x4,2)
Manufacturer: KASTAS
Sizes: 40x29x4,2 (mm)
Bearing 29675 / 29620
Manufacturer: TIMKEN
Sizes: 69.85x112.712x25.4 (mm)
Weight:: 0.949 (kg)
STUFFING BOX (REINFORCED CUFFS) NON-STANDARD ()
Manufacturer: STO
Sizes: 14.8x30x7.5/9 (mm)
O-RING
Manufacturer: NQK SF
Sizes: 140.00x163.00x11.50 (mm)
ПОДШИПНИК РОЛИКОВЫЙ РАДИАЛЬНО-УПОРНЫЙ СПАРЕННЫЙ 32048-X-N11CA-A450-500
Manufacturer: FAG
Sizes: 240x360x152 (mm)
Weight:: 58.3 (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.
