NA4909 Needle Roller Bearing With Inner Ring 45*68*22mm

Choose your needle roller bearings and cam rollers from among our vast premium range, already used by thousands of original equipment manufacturers

A needle roller bearing is a special type of roller bearing which uses long, thin cylindrical rollers resembling needles. Ordinary roller bearings' rollers are only slightly longer than their diameter, but needle bearings typically have rollers that are at least four times longer than their diameter

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 bearings feature a smaller cross-section, higher load-carrying capacity, greater rigidity, and lower inertia forces that facilitate size and weight reductions 

Featuring a high load carrying capacity, needle roller bearings use long thin rollers - known as bearing needles - as their rolling element. The inner and outer 

The track roller is a bearing with needle rollers built into a thick outer ring. It is available in a stud type and a yoke type. Both of these can be tailored to suit the 

SKF needle roller bearings are bearings with cylindrical rollers that are small in diameter relative to their length. The modified roller/raceway profile prevents 

Bearings. Drawn Cup Roller. Clutches. Track Rollers. Radial Needle Roller and Cage Assemblies. Heavy-Duty. Needle Roller. Bearings. Thrust Bearings,

12.2.3 Precautions for using NTN needle roller Bearing with. Solid Grease … ... Needle roller bearings have relatively small diameter cylindrical rolling elements