WZZG NAV4004 (2 pcs/lot) Full ball needle roller bearings RNAV4004 IR20X28.7X22 high quality NAV4004

$16.19 USD
Shipping calculated at checkout.


Outer Diameter: NAV4004
Number of Pcs: 2Pcs

Full complement needle roller bearing with inner ring NAV4004

 

Brand: WZZG

 

Model: NAV4004

 

Specification: 20 * 42 * 22 mm

 

Material: Bearing steel

 

Packaging: 2 pieces/set






 

 

 





 

Needle Roller Bearings (needle bearing) is a cylindrical roller with roller bearings, relative to its diameter, roller both thin and long. This is called needle roller. Despite having a smaller cross-section, has a higher load bearing capacity, equipped with a thin and long needle bearing roller (roller diameter D≤5mm,


 

Needle bearings are used in farm and construction equipment, automotive transmissions, small gasoline engines, gear pumps, small appliance and tool motors, alternators, and aircraft controls.

 

Needle bearings are usually lubricated with grease, but oil or oil-mist lubrication is preferred for heavy-duty or high-speed applications. Many light-duty needle bearings never require relubrication, but high loads or speeds demand it.






 

 

 





 

Welcome to buy consultation, thank you!

 

If you need another type of bearing but can't find it in my store, please contact me, thank you!

 

Bearings can be bought online and can be ordered in stock (large wholesale is supported). If you

 

have special requirements or higher quality, please contact me!

 

Provide professional supporting bearings for enterprises, welcome to consult and negotiate!

 

Estimated delivery time

 

Orders are dispatched within 48 hours of payment. (Customized products will be sent according

 

to the agreed time)