IR 30X37X18 Inner ring for needle roller bearings 60-65 HRC OEM Acceptable

IR 30X37X18 Inner ring for needle roller bearings 60-65 HRC OEM Acceptable 
 
1.  Needle Roller Bearing  Specification:   

 
2 . Description
 
Needle bearings are a bearing that is classified as either radial or thrust depending on the direction of the load being supported. Needle roller bearings include bearings whose rollers slightly exceed the size range of needle rollers as stipulated by ISO. Needle roller bearings include drawn cup and solid radial bearings, as well as application-specific cam followers, and roller followers. Thrust bearings include thrust needle bearings.
 
3.Types of Designs:
 
This kind of bearing has multiple structural styles for the choice of customers,such as narrow & broad series,with or without inner rings,cages,rib or sealings. It can be designed according to the special structural requirements of customers as well.
Product Precision Accuracy:
Dimensional tolerance and geometrical accuracy is based on GB/T5801.
Mutual difference of needle roller diameter is 2 um,and the precision grade is class G2(ISO GB/T309)
The diameter of inscribed circle conforms to tolerance grade F6 before the fitting of outer ring with cage and roller assembly.
 
4 . We also offer following Needle roller bearing .