Needle Roller Bearings
Needle roller bearings are generally composed of needle rollers and cages. Several needle rollers placed between two hardened and smooth surfaces and cage prevent the needle rollers to contact each other to accommodate smooth rolling action. The diameter of rolling element in Needle roller bearing is relatively small and having relatively large length/diameter ratio, this allows for more load carting capacity and is ideal for oscillation motion. In comparison to other ball bearings, needle roller bearings have small radial section height and smaller mass, which allows for a more compact design and is suitable for applications where low inertia force is required.
Needle Roller and Cage Assembly For Connecting Rod Bearings
A Needle Roller and Cage Assembly for connecting rod bearings comprises of needle rollers and a cage that guides and hold the rollers on its position. A
connected rod bearing operated under extreme loading and operating conditions required a high, rigidity bearing which is light-weight and have high load rating.
a. Needle Roller and Cage Assembly for Connecting Rod Large End
This product is design to withstand the crank motion involving the simultaneous rotation and revolution on the large end side of the connecting rod. The cage is made of special steel and heat treated. Cage is designed for outer diameter guided system so outer diameter is precision finished to avoid unwanted temperature rise during high speed and heavy shock loads. Along with this, the cage can be surface treated using different non-ferrous metal coatings to avoid friction due to poor lubrication.
b. Needle Roller and Cage Assembly For Connecting Rod Small End
The small end bearing is designed to withstand high impact loads and high-speed oscillation. Cage is designed for inner diameter guide and guide surface is designed to minimize surface pressure. To reduce the contact pressure on rollers, bearing is designed to incorporate with maximum possible length and small diameter of rollers.
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