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71900AC

 

BRZB offers a board range in the 719 series regarding dimensions, suitable RPM, and load capabilities.

Standard spindle bearings
High RPM suitability and rigidity
High cost-efficiency and reliability
Standard contact angles of 15° and 25°
Reference RPM factor n x dm = 1.7 x 106 mm/min
High load rating
Also available as hybrid ball bearings
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Technical specification

  • Basic Properties

    Contact Angle α 25 °
    Inner Diameter d 10 mm
    Outer Diameter D 22 mm
    Width B 6 mm
    Chamfer dimension r1, 2min 0.30 mm
      r3, 4min 0.15 mm
    Distance Side Face to Pressure Point a 7 mm

  • Load Data

    Basic Dynamic Load Rating C 2.88 kN
    Basic Static Load Rating C0 1.45 kN
    Limiting Speed Grease 62,500 r/min
      Oil-air 93,800 r/min
    Fatigue Load Limit Pu 1 kN
    Calculation Factor for Equivalent Loads  f0 14  

  • Preload & Rigidity

    Light A 22 N
      Cax 31 N/μm
    Medium B 65 N
      Cax 43 N/μm
    Heavy C 130 N
      Cax 54 N/μm

  • Mass

    Mass m 0.010 kg
Industries

Food

The packaging industry creates very special requirements for machines and used bearings. BRZB rotational solutions are used at different stations within the production lines and enable smooth operations and efficient processes in the packaging industry.

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Aerospace

One of the major applications is UAV turbojet engines, inspired by real turbojet aircraft, offer enthusiasts speed and an immersive sound experience. These engines are designed with a detailed system including an intake pipe, compressor, combustion chamber, and more, scaled for model aviation. Material:    ♦ Cronidur® 30(X30CrMoN15-1/SV30) stainless steel for both inner & outer rings    ♦ With HIP Si3N4 ceramic balls embodying a full ball cageless design for precision. Precision level: P4/ABEC7, P2/ABEC9 RPM: single bearing could up to 200,000 rpm with oil lubrication. Working temp.: 250 - 300°C, Major code: 708(8*22*7mm), 788(8*16*6 mm), 7000(10*26*8mm), 7001(12*28*8mm), 7002(15*32*9mm), 7904(20*37*9mm) Custom-sized bearings are also available, ensuring compatibility with a broad range of model aircraft.

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Machine Tools

The machine tools sector is a linchpin in both economic and technological landscapes, standing at the cusp of the fourth industrial revolution. As the industry evolved, the focus on optimizing Overall Equipment Effectiveness (OEE) through reliable performance and sustainable practices has never been more critical.

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Medical Equipments

Our roller bearings are designed to meet the most stringent hygienic requirements, crucial for medical and pharmaceutical applications.

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