Nachi OD 30 mm Solid Needle Wheel Roller Bearings NA4903 With Nylon Cage

Needle roller 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.

1) Cage & Needle Roller Assemblies

Cage & Needle roller assemblies consist of a complement of needle rollers held in place by a cage.

2) Drawn Cup Needle Roller Bearings 

Drawn cup needle roller bearings (with a cage and full complement of rollers) have a unique outer ring structure.

3) Solid Needle Roller Bearings

Solid needle roller bearings are high-accuracy bearings with maximum load capacity within a limited space for various operating conditions.

4) Thrust Needle Roller Bearings

Thrust needle bearings type comes in metric and inch designs. The cage & Needle roller assembly for the thrust needle bearing is a cage that has two pieces joined together

5) Cam Followers

Cam followers, which are equipped with a thick-wall outer ring, crowned rollers, and a stud with a hardened raceway surface, are especially tough and can sustain shock loads.

6) Roller Followers

The roller follower with a thick-wall outer ring and crowned roller has a large load capacity which enables it to carry shock loads.