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Ningbo hi-tech united bearing and mechanical co.,ltd

 
 
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LFR50/4 KDD, LFR series bearing, track roller bearing, guide way ball bearing 

  Category : Machinery on-line->Hardware & Hand tool->Bearing->ball bearing

     
LFR50/4 KDD, LFR series bearing, track roller bearing, guide way ball bearing
 
 
       

  Product Specification
 
  Model No:      LFR 50/4
  Country  CN
  Brand  ubm
  Materials  chrome steel or stainless steel
  Size  4X13X6X7  millimeters  
  Packing  neutral packing
  Minimum Order  5000pcs
  Payment Term  TT

 

    Product Detail
  LFR(R)50..LFR(R)52..LFR(R)53..series
Track rollers with Gothic arch groove - type LFR
Series LFR rollers are the most widely-use and economy product among the linear motion track rollers, and they can suit to the cylindrical track.
There are two contact points between the roller and track, so the contact function is favorable.
Rollers feature double row angular contact ball bearing in its internal structure design and a thick-walled outer ring, so rollers can accommodate higher loads.
Rollers are made of 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 mount the metal shield (KDD) or rubble seal (NPP) to prevent the dust. UBM also can provide the rollers with concentric or eccentric pivot. Some types of the rollers can be made from the corrosion resistance stainless steel.
1. High allowable speed, low resistance, long service life
For series LFR rollers, the surface profile of the outer ring is designed as the GOTHIC ARCH.
When rollers running, there are two contact points with an angle 60 degrees between the roller and track. So the friction resistance is low and the load is in equality, thus avoiding the stresses concentration and edge effect caused by the error from installation and manufacture, making the track system has the characteristics of high speed, low energy consumption, long service life and minimum noise level.
2. Easy installation
As rollers assembled the concentric or eccentric pivot, installation can be made convenient. To adjust the eccentric one's eccentricity, these rollers can get the fitting preload.
3. Smooth running, minimum error and lower noise level
UBM special manufacture equipments of machine and inspection facilities make accuracy in the profile of roller. Mature manufacture techniques and critical inspection procedure make all rollers good in the Kea (radial runout) of outer ring and roundness of working surface, so the guide system in motion is smooth running, minimum error and lower running noise level.
LFR50/5-4KDD、R50/5-4ZZ、LFR50/5-4NPP、R50/5-4 2RS、LFR50/5KDD、R50/5-6ZZ、LFR50/5NPP、R50/5-6 2RS、LFR50/8KDD、R50/8-6ZZ、LFR50/8NPP、R50/8-6 2RS、LFR5201KDD、R201-10ZZ、LFR5201NPP、R201-10 2RS、LFR5202NPP、R202-12 2RS、LFR5301KDD、R301-10ZZ、LFR5301NPP、R301-10 2RS、LFR5302KDD R302-10ZZ、LFR5302NPP、R302-10 2RS、LFR5201-12KDD、R5201-12ZZ、LFR5201-12NPP、R5201-12 2RS、LFR5201-14KDD、R5201-14ZZ、LFR5201-14NPP、R5201-14 2RS、LFR5204-16KDD、R5204-16ZZ、LFR5204-16NPP、R5204-16 2RS、LFR5206-20KDD、R5206-20ZZ、LFR5206-20NPP、R5206-20 2RS、LFR5206-25KDD R5206-25ZZ、LFR5206-25NPP、R5206-25 2RS、LFR5207-30KDD、R5207-30ZZ、LFR5207-30NPP、R5207-30 2RS、LFR5208-40KDD、R5208-40ZZ、LFR5208-40NPP、R5208-40 2RS

   


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