BearingStar 200

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

Technical Data

Outer diameter of outer ring 85 – 200 mm
Inner diameter of inner ring 50 – 180 mm
Ring width 15 – 80 mm
Workspindle speed 0 – 3,000 rpm
Oscillation frequency 0 – 1,200 double strokes/min
Oscillation angle +/- 0 – 18°
Linear oscillation stroke 0 – 6 mm
Stone pressure 80 – 360 N
No. of machining stations 1 or 2

BS90 Flyer (PDF) 

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BearingStar product brochure (PDF) 

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BearingStar 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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BearingStar Mini

BearingStar Mini is a fully automatic MICROFINISH machine for machining raceways on miniature ball or roller bearings, inner and outer rings, according to a single ­step method.

Technical Data

Working Stations: 1
Workpiece Diameter: 5 – 19 mm
Workpiece Width: 2,5 – 15 mm
Workpiece Speed: 0 – 36.000 U/min
Oscillation Frequency: 0 – 1.200 Doppelhübe/min
Radial Oscillation Angle: +/- 0 – 15°
Linear Oscillation Stroke: 0 – 2 mm
Stone Pressure: 0 – 10 N

Ring Types

• Deep groove ball bearings (DGBB)
• Angular contact ball bearings (ACBB)
• Cylindrical roller bearings (CRB)
• Special shaft bearings

Machining Solutions

• 1-step machining with 1-stone type
• Rough and fine machining by varying cutting speed, stone pressure and oscillation 

BS90 Flyer (PDF) 

Download Brochure

BearingStar product brochure (PDF) 

Download Brochure