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Loose Needle Rollers

Loose needle roller bearings are equipped with thin and long rollers (the length of the roller is 3 to 10 times the diameter, and the diameter is generally not greater than 5mm), so the radial structure is compact. The diameter and load capacity of loose needle roller bearings are similar to other types. When the bearings are the same, the outer diameter is the smallest, which is especially suitable for supporting structures with limited radial installation dimensions.

Bearing Type
Material
Length
Rating
Hardness
Roundness

Loose needle roller bearings should be combined with bearing rings and applications according to different applications. Needle roller bearings are bearing units that combine radial needle roller bearings and thrust bearing components.Comparison of loose needle roller bearings:

1. The coefficient of friction of loose needle roller bearings is smaller than that of sliding bearings, and the transmission efficiency is high. The friction coefficient of general sliding bearings is 0.08-0.12, while the friction coefficient of rolling bearings is only 0.001-0.005;

2. The loose needle roller bearings have been standardized, serialized and generalized, suitable for mass production and supply, and easy to use and maintain;
3. Loose needle roller bearings are made of bearing steel and are heat treated. Therefore, rolling bearings not only have high mechanical properties and long service life, but also can save expensive non-ferrous metals used in the manufacture of sliding bearings;
4. The internal clearance of loose needle roller bearings is small, and the machining accuracy of each part is high, so the running accuracy is high. At the same time, the rigidity of the bearing can be increased by pre-loading. This is very important for precision machinery;
5. Some loose needle roller bearings can support radial and axial loads at the same time, so the structure of the bearing support can be simplified;
6. Because loose needle roller bearings have high transmission efficiency and less heat generation, the consumption of lubricating oil can be reduced, and lubrication and maintenance are relatively easy;
7. Loose needle roller bearings can be easily applied to any axis in space.

Bearing Catalogue

Chrome Steel miniature bearings
Miniature Bearing
Deep-Groove-Ball-Bearing
Deep Groove Ball Bearings
Angular contact ball bearings
Angular Contact Bearings
Thin-Section-Deep-Groove-Ball-Bearings
Thin Section Bearings
Stainless-Steel-Flanged-Ball-Bearings
Flanged Ball Bearings
Self Aligning Ball Bearings
Miniature-Thrust-Ball-Bearings
Thrust Ball Bearings
AISI440C Steel Ball Bearings
Stainless Steel Bearings
Ceramic Bearings
TR Series Slewing Bearing
Slewing Ring Bearings
Silicon Carbide Bearings
High Temperature Bearing
Cam Followers
Cam Followers
Heavy Duty Needle Roller Bearings
Needle Roller Bearings
Super Slim Type Crossed Roller Bearings
Crossed Roller Bearings
Tapered Roller Bearings
Four-Row Cylindrical Roller Bearing
Cylindrical Roller Bearings
Double Row Spherical Roller Bearing
Spherical Roller Bearing
Spherical Roller Thrust Bearings
Spherical Roller Thrust
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