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Home / BNR/BAR/BTR/BER/BGR High-speed Thrust Angular Contact Ball Bearings / BER10/19 Ultra High Frequency Spindle Bearing

BER10/19 Ultra High Frequency Spindle Bearing

The BER10/19 Ultra High Frequency Spindle Bearing combines Si₃N₄ ceramic balls with SUJ2 bearing steel rings, maintaining optimal load distribution under high - speed conditions while delivering low vibration, high rotational accuracy, and long service life.

BER10/19 Ultra High Frequency Spindle Bearing
BER10/19 Ultra High Frequency Spindle Bearing
  Type Main dimensions Rated load Rated speed
      Dynamics Static Speed limit
Mail   d[mm] D[mm] B[mm] C[kN] C0[kN] [r/min]
95BER10H 95 145 24 34.0 33.0 20900.0
90BER10X 90 140 24 33.5 31.5 26100.0
90BER10S 90 140 24 33.5 31.5 14800.0
90BER10H 90 140 24 33.5 31.5 21800.0
85BER10X 85 130 22 25.6 24.6 28000.0
85BER10S 85 130 22 25.6 24.6 15900.0
85BER10H 85 130 22 25.6 24.6 23300.0
80BER10X 80 125 22 25.3 23.5 29300.0
80BER10S 80 125 22 25.3 23.5 16600.0
80BER10H 80 125 22 25.3 23.5 24400.0
75BER10X 75 115 20 21.6 19.8 31600.0
75BER10S 75 115 20 21.6 19.8 17900.0
75BER10H 75 115 20 21.6 19.8 28400.0
70BER10X 70 110 20 21.3 18.9 33400.0
70BER10S 70 110 20 21.3 18.9 18900.0
70BER10H 70 110 20 21.3 18.9 27800.0
65BER10X 65 100 18 15.5 14.2 36400.0
65BER10S 65 100 18 15.5 14.2 20700.0
65BER10H 65 100 18 15.5 14.2 30400.0
60BER10X 60 95 18 15.0 13.1 38800.0
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Dentail
  • Hybrid Ceramic Technology:Combines Si₃N₄ ceramic balls (3.175mm diameter) with SUJ2 steel rings, delivering:
    ✓ 40% weight reduction vs all - steel bearings
    ✓ 60% lower coefficient of thermal expansion
  • Optimized Contact Angle:15° contact angle maintains optimal load distribution at high speeds
  • Phenolic Resin Cage:Carbon fiber reinforced phenolic (CF - PF) cage provides:
    ✓ Maximum speed up to 120,000rpm
    ✓ Self - lubricated life extension to 8,000h
Application
The bearings can be used in the following industries
  • Semiconductor Lithography:193nm ArF lithography lens drives 
  • Precision Grinding:Micro - bearing inner ring superfinishing spindles
  • Medical Devices:Dental implant handpieces 
  • Optical Testing:Aspheric lens polishing machine axes 
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