• Ultra High Speed Angular Contact Ball Bearings - BNR Series
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Hitork Gears & Drives

Ultra High Speed Angular Contact Ball Bearings - BNR Series (Part # Starting 30-60)

Ultra High Speed Angular Contact Ball Bearings - BNR Series (Part # Starting 30-60)

Rs. 14,229.00
Rs. 14,229.00
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🔹 BNR Series Overview

  • Type: Ultra High-Speed Angular Contact Ball Bearings (ACBB)

  • Typical designation: BNR (e.g., BNR10, BNR12, BNR18, BNR19) — “BNR” is the high-speed class of precision ACBB.

  • Manufacturers: NSK, NTN, SKF, FAG, Nachi, etc.

These are super-precision bearings designed for very high spindle speeds, low heat generation, and accurate axial & radial positioning.

🏎 Key Features

Feature Details
Contact angle options 15° (most common) or 18°, sometimes 25° for higher axial rigidity
High speed capability Designed for very high dmn values — can run at 1.6 to 2 million dmn (dm × rpm)
Precision grade ISO P4A / ABEC-7 or ISO P2 / ABEC-9 available
Cage design Polyamide (phenolic), peek or engineered resin cages for low friction & stability
Sealing Open (standard for spindles), sometimes low-friction seals available
Lubrication Oil–air or grease depending on speed; oil–air common in machine tool spindles
Material High-purity bearing steel (often SUJ2 / 52100), sometimes ceramic hybrid (Si₃N₄ balls) for ultra speed and low heat
Accuracy Axial runout ≤ 2 µm (P4) or ≤ 1 µm (P2); bore & OD tolerances to microns
Load capacity Primarily radial + light to moderate axial in one direction; used in pairs/back-to-back to handle axial loads both sides

🛠️ Common Applications

  • CNC machine tool spindles (milling, turning, grinding)

  • High-speed electric motors

  • Turbochargers, small turbines

  • Precision gearboxes with high input rpm

⚖️ Typical Designation Example

  • 70BNR10HTYNDBLP4

    • 70 → Bore size code (e.g., 10 = 50 mm bore)

    • BNR → Ultra high-speed ACBB

    • H → High speed phenolic cage

    • TY → Ceramic balls (hybrid)

    • ND → Non-contact, oil-air lubrication

    • BL → Light preload

    • P4 → ISO class P4 precision

📌 Advantages vs. Standard Angular Contact Bearings

  • Much higher speed limit (30–70% higher than standard ACBB)

  • Less heat & vibration at speed due to optimized contact angle & cage

  • Higher dimensional stability & runout precision

  • Option for ceramic balls reduces centrifugal force & wear

Please contact Rohima for dispatch related questions - 9916202500

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Ultra High Speed Angular Contact Ball Bearings - BNR Series (Part # Starting 30-60)

Ultra High Speed Angular Contact Ball Bearings - BNR Series (Part # Starting 30-60)

When precision, speed, and durability matter the most, the Ultra High Speed Angular Contact Ball Bearings - BNR Series (Part # Starting 30-60) stand as the ultimate solution. Designed for advanced engineering applications, this bearing series is trusted across industries like machine tools, aerospace, robotics, and high-performance machinery. With exceptional accuracy and performance, the BNR Series is engineered to handle both radial and axial loads while maintaining stability at ultra-high rotational speeds.

What Makes the BNR Series Special?

The BNR Series Ultra High Speed Angular Contact Ball Bearings are optimized for demanding environments where efficiency and reliability are critical. Each part within this series (numbers starting from 30–60) is designed to minimize friction, reduce heat generation, and deliver consistent performance under high-speed conditions.

Unlike standard bearings, these bearings are manufactured with advanced steel materials, precision-engineered raceways, and high-grade cage designs that ensure a longer operational life. Their ability to handle high-speed spindle operations makes them a preferred choice for industries that cannot afford downtime.

Key Features of Ultra High Speed Angular Contact Ball Bearings – BNR Series

  1. Built specifically for ultra-high speed applications, the BNR Series supports smooth operations at maximum RPM without compromising stability or accuracy.
  2. These bearings can handle combined radial and axial loads, making them versatile for a wide range of machine requirements.
  3. Manufactured using premium-grade steel and optimized cage designs, the bearings ensure wear resistance, reduced vibration, and enhanced durability.
  4. Designed with tighter tolerances, the BNR Series guarantees precise alignment, essential for high-performance spindles and precision-driven applications.
  5. Special lubrication and optimized internal design reduce friction, preventing overheating and extending service life even in continuous high-speed operations.
  6. The BNR Series includes part numbers starting from 30 to 60, offering flexibility for different engineering and industrial needs.

Applications of BNR Series Angular Contact Ball Bearings

The Ultra High Speed Angular Contact Ball Bearings - BNR Series are widely used in industries where precision and speed define productivity. Key applications include:

  • Ensuring maximum accuracy, speed, and efficiency in machining processes.
  • Supporting high-performance machinery where safety and durability are non-negotiable.
  • Delivering precision in diagnostic machines, imaging equipment, and robotic surgical systems.
  • Providing smooth, high-speed rotation for advanced automated systems.
  • Used in engines and transmissions that demand ultra-high-speed stability.

Benefits of Choosing the BNR Series

  • With minimal downtime and superior reliability, operations run smoothly.
  • Reduced vibration and friction protect machine components from early wear.
  • Guaranteed accuracy in applications requiring exact tolerances.
  • Lower friction leads to reduced power consumption and operational costs.
  • With parts ranging from 30 to 60, the series fits diverse requirements.

Why Choose Our BNR Series Bearings?

When it comes to high-performance machinery, every component counts. The BNR Series Angular Contact Ball Bearings are more than just machine parts—they are an investment in efficiency, reliability, and innovation. Our bearings undergo rigorous testing to ensure they meet international quality standards, making them the trusted choice for industries worldwide.

  • ISO-certified manufacturing standards
  • Proven track record across industries
  • Wide range of availability
  • Competitive pricing without compromising quality

Technical Specifications (General Overview)

  • Angular Contact Ball Bearing
  • BNR (Ultra High Speed)
  • 30–60 range
    Optimized for ultra-high RPM applications

  • Supports combined axial and radial loads
  • Premium high-strength steel with optimized cage design

  • Machine tools, aerospace, robotics, automation, motorsports, and medical equipment

Final Thoughts

If your machinery demands unmatched precision, high rotational speeds, and long-term durability, the Ultra High Speed Angular Contact Ball Bearings - BNR Series (Part # Starting 30-60) are the ideal choice. Designed for the toughest challenges, this series ensures your machines operate at peak performance with maximum reliability.

Invest in the BNR Series Bearings today and experience the perfect combination of innovation, efficiency, and endurance.