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NA 4917 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 4917
Structure:
Needle Roller Bearing NA 4917
Inside Diameter:
85 mm
Outside Diameter:
120 mm
Thickness:
35 mm
Weight:
- KG
Brand:
FAG
Precision Rating:
P2
Bearing Material:
Chrome steel
Seals Type:
Open
Quick Details
Type: Needle
Bore Size: 85 mm
Outside Diameter: 120 mm
Model Number: NA4917
Precision Rating: P0, P6, P5
Seals Type: open
Number of Row: Single Row
Thickness: 35mm
Service: OEM
Guarantee: One year
Brand: Betton
MOQ: 1000PCS
Certifications: ISO 9001:2000
Packing: Single box or as your request
Payment: T/T OR L/C OR Western Union
Port: Qingdao/Shanghai/Ningbo Port
Ring material: Chrome Steel ,Carbon steel,Stainless steel
Packaging & DeliveryPackaging Detail: Plastic bag+single box+carton+pallet or as your request.
Delivery Detail: Ready goods 3-7work days /2-30 days after receiving your deposit
Specificationsbearing NA4917:
1.ISO9001:2000
2.Durable quality
3.Onhand inventory
4.High speed and best material
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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