BearingStar 90

BearingStar 90

Thielenhaus BS90BearingStar 90

Fully automatic MICROFINISH machine for machining of raceways on ball and roller bearings, inner or outer rings, according to single or two step method.

Technical Data

No. of machining stations 1 or 2
Outer diameter of outer ring 26 – 90 mm
Inner diameter of inner ring 10 – 50 mm
Ring width 8 – 55 mm
Workspindle speed 0 – 6,000 rpm
Oscillation frequency 0 – 1,200 double strokes/min
Oscillation angle +/- 0 – 18°
Linear oscillation stroke 0 – 6 mm
Stone pressure at 4.5 bar 0 – 160 N

Ring Types1- or 2-row radial ball bearings

  • Axial ball bearings
  • 1- or 2-row angular contact ball bearings
  • Cylindrical roller bearings
  • Taper roller bearings

Machining Solutions

  • 1-step machining on single station machine
  • 1- or 2-step machining selectable on 2-station machine
  • Outer or inner rings on 1 machine
  • Rough and fine machining by varying cutting speed, stone pressure and oscillation
  • Mechanical radial or linear oscillation unit
  • Mechanical adjustment of raceway position
  • P2-class raceway quality

BS90 Flyer (PDF) 

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BearingStar product brochure (PDF) 

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