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NA 4838 Needle Roller Bearing
Min. Order:
1 Piece
Payment term:
T/T,L/C
Delivery time:
Within 3 days after recieve payment
Technical Parameters:
Product Designations:
NA 4838
Structure:
Needle Roller Bearing NA 4838
Inside Diameter:
190 mm
Outside Diameter:
240 mm
Thickness:
50 mm
Weight:
- KG
Brand:
FAG
Precision Rating:
P2
Bearing Material:
Chrome steel
Seals Type:
Open
Quick Details
Type: Needle
Brand Name: FOF
Bore Size: 190 mm
Outside Diameter: 240 mm
Model Number: NA 4838
Precision Rating: P0 P6 P5 P4
Seals Type: Z ZZ RS 2RS
Number of Row: Single Row
sample: available
characteristic: high speed
material: GCR15
stock: in stock
standard: ISO9001:2008
cage: YES
OEM: YES
packing: as your requirement
SpecificationsNA 4838 bearing
1.low noise and best material
2.high quality
3.lower price needle roller bearing
4.ISO9001
NA 4838 bearing
NA NKI RNA NK series needle roller bearing NA 4836 bearing
NA 4838 bearing
1.low noise and best material
2.high quality and lower noise
3.lower price needle roller bearing
4.ISO9001
Needle roller bearings (needle bearing) with cylindrical roller is a roller bearing, relative to its diameter, roller both thin and long. This is called needle roller.
1.Despite the smaller cross section, has a higher load bearing capacity, with thin and long needle bearing roller (roller diameter D ≤ 5mm, L / D ≥ 2.5, L the length of the roller), therefore radial structure is compact, the diameter size and load capacity and other types of bearings, minimum diameter, especially for the radial bearing mounting dimensions restricted results.
2.Depending on different occasions, can be used without inner ring of the bearing or needle roller and cage assembly, this time to match the journal and the bearing surface and the shell holes as bearing directly on the surface of the inner and outer rolling surface,
3.in order to ensure the load capacity and operating performance and a ring bearing the same shaft or housing bore raceway surface hardness, machining accuracy and surface quality should be similar to the roller bearing rings. Such bearings can only bear radial load.
4.Needle roller bearings Features
With thin and long needle bearing roller (roller diameter D ≤ 5mm, L / D ≥ 2.5, L is the length of rollers), so the radial structure is compact, the diameter size and load capacity and other types of bearings minimum diameter, especially for radial mounting dimensions restricted support the results.
5.Depending on different occasions, can be used without inner ring of the bearing or needle roller and cage assembly, this time to match the journal and the bearing surface and the shell holes as bearing directly on the surface of the inner and outer rolling surface, in order to ensure the load capacity and operating performance and a ring bearing the same shaft or housing bore raceway surface hardness, machining accuracy and surface quality should be similar to the roller bearing rings. Such bearings can only bear radial load.
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