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High Precision Bearings - ULTAGE by NTN

  • Angular contact ball bearings

 

NTN SUPER PRECISION RANGE AVAILABLE IN EUROPEAN STOCK


 

Standard range: 70U, 72, 78, 79U
- Optimised internal design
- Fiber glass reinforced polyamide cage => guaranteed improvements in rigidity, reliability and improved ball guidance and substantial reduction in noise
- Contact angles: 15° (C), 25° (AD), and 30° (-)
- Hybrid version with ceramic balls as option (prefix 5S)

   

High speed series: HSE
- Special 2LA - steel
- Optimised internal design and surface condition
- Phenolic resin cage => improved bearing performance, improved resistance, lower operating temperatures at maximum speeds
- Contact angles: 15° (C), 25° (AD), and 30° (-)
- Hybrid version with ceramic balls as option (prefix 5S)

   
 

Ultra High speed series: HSF
- Special 2LA - steel
- Smaller ceramic balls (prefix 5S) => reduced temperature at higher speeds and improved service life
- Contact angles: 25° (AD)

   

Sealed series

  Standard LLB  High speed, BNS, LLB 
Series 70 and 79  BNS0 and BNS9 
Contact angle  CD for 15° , AD for 25°  C for 15°, - for 30°, AD for 25° 




 

  • Cylindrical roller bearings

 

Double row: Standard NN (U)49 (K) and NN30 (K), High speed NN30 HS (K)
- Machined brass cage
Single row: N series, High speed HS and Ultra high speed HSR
- High strenght machined brass cage for HS types
- Special molded resin cage for HSR types
Optimized internal design allow higher speed limits and result in lower temperature rise 




  • Ball screw support bearings

 

BST: Single row, open or sealed types
- Surface optimized treatment on the bearing race way for a longer bearing life and improved fretting resistance
- Sealed types with a special grease to reach a longer life and simplify maintenance work

   

BSTU: Single or double row, sealed 
- Highest load rating
- Low friction contatct-type seal
- Special long-life grease
- Easy mounting

   
  Others: Needle bearings AXN, ARN

 

  • Other bearings
     

- Thrust ball bearings : single row HTA, double row 5629XX, 5620XX