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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]
60BER10S 60 95 18 15.0 13.1 22000.0
60BER10H 60 95 18 15.0 13.1 32300.0
55BER10X 55 90 18 14.4 12.0 41400.0
55BER10S 55 90 18 14.4 12.0 23500.0
55BER10H 55 90 18 14.4 12.0 34500.0
50BER10X 50 80 16 11.6 9.5 46200.0
50BER10S 50 80 16 11.6 9.5 26200.0
50BER10H 50 80 16 11.6 9.5 38500.0
45BER10X 45 75 16 11.2 8.8 50000.0
45BER10S 45 75 16 11.2 8.8 28400.0
45BER10H 45 75 16 11.2 8.8 41700.0
40BER10X 40 68 15 10.7 7.95 55600.0
40BER10S 40 68 15 10.7 7.95 31500.0
40BER10H 40 68 15 10.7 7.95 46300.0
35BER10X 35 62 14 9.7 6.85 61900.0
35BER10S 35 62 14 9.7 6.85 35100.0
35BER10H 35 62 14 9.7 6.85 51600.0
30BER10X 30 55 13 8.3 5.5 70600.0
30BER10S 30 55 13 8.3 5.5 40000.0
30BER10H 30 55 13 8.3 5.5 58900.0
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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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