NA4905LLU NEEDLE ROLLER BEARING
|Size||INNER 25 OUTER 42 DIAMETER 30|
NEEDLE ROLLER BEARING:
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. Ball bearings inner race or contact surface is also smaller as compared to needle inner race, also the design is compact occupying less space and less weight.
Ideal for automotive applications. The design enables it to have less friction with low temperatures.
Automotive engines especially in automatic gear transmissions, hybrid vehicles, textile industry.