NK29/30 NSK NACHI SKF needle roller bearing

needle roller bearing 1.NK29/30 bearing 2.OEM service 3.Prompt delivery 4.Super precision

 needle roller bearing  

A needle roller bearing is a bearing which uses small cylindrical rollers. They are used to reduce friction of a rotating surface.

Needle bearings have a large surface area that is in contact with the bearing outer surfaces compared to ball bearings. Additionally there is less added clearance (difference between the diameter of the shaft and the diameter of the bearing) so they are much more compact. The typical structure consists of a needle cage which orients and contains the needle rollers, the needle rollers themselves, and an outer race(sometimes housing itself).

Radial needle bearings are cylindrical and use rollers parallel to the axis of the shaft. Thrust needle bearings are flat and use a radial pattern of needles.

Full complement bearings have solid inner and outer rings and rib-guided cylindrical rollers. Since these bearings have the largest possible number of rolling elements, they have extremely high radial load carrying capacity and are suitable for particularly compact designs.

Needle bearings are heavily used in engine components such as rocker arm pivots, pumps, compressors, and transmissions. The drive shaft of a rear-wheel drive vehicle typically has at least 8 needle bearings (4 in each U joint) and often more if it is particularly long, or operates on steep slopes.

Products  name	Needle bearing
Brand  name	SKF  NSK  NTN IKO  KOYO HRB
Model	NK29/30
ID  size	29*38*30mm
Cage  material	Steel
Precision	PO,P6,P5,P4
Quality  standard	ISO9001:2000 standard
Service	OEM  service
Delivery  date	Normally ready goods and stock within 15days
Payment terms	A:100% L/C at  sight B: 30% T/T in advance .70% against copy of  B/L
Application	Automobile, tractor ,machine tool, electric machine, agricultural machinery and textile machinery.
Package	Industrial package or according to your requirement.

For more details pls feel free to contact us!

NK29/30 NSK NACHI SKF needle roller bearing