• LR500
  • LR500

• Series LR rollers are also called CAM ROLLERS, can be used in the heavy loads track or used as an idler wheel. They are widely used in the particular application that the friction should be reduced.

• The outer diameter surface of rollers is shaped to the crowned runner surface with R500 (suffix U), so make the stresses well when rollers working.

• Rollers take the internal structure design of deep groove ball bearings or double row angular contact ball bearings and have a particularly thick-walled outer ring, so the rollers can accommodate higher loads.

• Rollers are made of the high-quality bearing steel, processed by heat treatment and precision grind, and are filled with a long service life, high -grade and multi-purposes grease. Rollers take the metal shield (suffix KDD) or rubble seal (suffix NPP) to prevent the dust.


Characteristics of the guide system that series LR rollers are applied :


1. Low resistance, long service life, widely-use 

Being cam rollers with crowned runner surface R500, make its stresses in well-distributed between rollers and track when working, thus the stresses centralization are avoided, the friction resistance are reduced and the service life of rollers have been improved a lot. Most of the double row cam rollers can be relubricated through the filling hole on the inner ring to adapt the adverse working conditions.


2. Easy installation

After rollers assembled the concentric or eccentric pivot, installation can be made convenient. To adjust the eccentric one's eccentricity, the rollers can get the fitting preload. 


3. Smooth running, minimum error

Besides we produce the series LR cam rollers according to the standard of rolling bearings, we also make the strict control on the rotary accuracy of outer ring in order to meet special working mode that inner ring is fixed while outer ring running.


selectInquiryPart No.Dimensions(mm)LoadFatigue limit loadSpeed ​​limitWeight(g)
DdBCRRsCw(N)Cow(N)Puw(N)SealsShield
LR5303KDD 52 17 22.2 22.2 1 17200 11100 462 4700 6500 210
LR5303KDDU 52 17 22.2 22.2 500 1 17200 11100 462 4700 6500 210
LR5304NPP 62 20 22.2 22.2 1.1 21100 14500 606 4500 6500 340
LR5304NPPU 62 20 22.2 22.2 500 1.1 21100 14500 606 4500 6500 340
LR5304KDD 62 20 22.2 22.2 1.1 21100 14500 606 4500 6500 340
LR5304KDDU 62 20 22.2 22.2 500 1.1 21100 14500 606 4500 6500 340
LR5305NPP 72 25 25.4 25.4 1.1 27500 19500 813 3900 5500 500
LR5305NPPU 72 25 25.4 25.4 500 1.1 27500 19500 813 3900 5500 500
LR5305KDD 72 25 25.4 25.4 1.1 27500 19500 813 3900 5500 500
LR5305KDDU 72 25 25.4 25.4 500 1.1 27500 19500 813 3900 5500 500
LR5306NPP 80 30 30.2 30.2 1.1 36500 26500 1100 3100 4300 670
LR5306NPPU 80 30 30.2 30.2 500 1.1 36500 26500 1100 3100 4300 670
LR5306KDD 80 30 30.2 30.2 1.1 36500 26500 1100 3100 4300 670
LR5306KDDU 80 30 30.2 30.2 500 1.1 36500 26500 1100 3100 4300 670
LR5307NPP 90 35 34.9 34.9 1.5 44500 33000 1370 2500 3600 970
LR5307NPPU 90 35 34.9 34.9 500 1.5 44500 33000 1370 2500 3600 970
LR5307KDD 90 35 34.9 34.9 1.5 44500 33000 1370 2500 3600 970
LR5307KDDU 90 35 34.9 34.9 500 1.5 44500 33000 1370 2500 3600 970
LR5308NPP 100 40 36.5 36.5 1.5 56000 42000 1750 2300 3300 1200
LR5308NPPU 100 40 36.5 36.5 500 1.5 56000 42000 1750 2300 3300 1200
LR5308KDD 100 40 36.5 36.5 1.5 56000 42000 1750 2300 3300 1200
LR5308KDDU 100 40 36.5 36.5 500 1.5 56000 42000 1750 2300 3300 1200