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Precision Bearings
Engineered to Excel

The first line of defense for your machinery. Discover BRZB’s ultra-precision bearings designed for aerospace, medical, semiconductor, and industrial applications.

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About BRZB

Luoyang Bangrui Machinery Co., Ltd. (BRZB) is a leading manufacturer of ultra-precision bearings, specializing in high-speed, high-load, and extreme-environment applications.

With decades of engineering expertise, BRZB delivers reliable rotational solutions trusted in aerospace, medical equipment, semiconductor manufacturing, and advanced industrial systems.

  • Precision Levels: P4/ABEC7, P2/ABEC9
  • High-Speed Capability: Up to 200,000 RPM
  • Temperature Resistance: Up to 300°C
  • Custom Design & Packaging Available
Screw Drive Bearings

Our Product Portfolio

Engineered for performance, durability, and precision across critical industries.

Angular Contact Ball Bearings

Ideal for high-speed and high-precision applications requiring axial and radial load support.

  • Precision: P4/ABEC7, P2/ABEC9
  • Material: Cronidur® 30 stainless steel
  • Speed: Up to 200,000 RPM (oil lubrication)
  • Temp: 250–300°C

Cylindrical Roller Bearings

High radial load capacity with excellent rigidity and thermal stability.

  • Design: Full complement or cage-guided
  • Material: High-carbon chromium steel
  • Precision: P5, P4 options
  • Applications: Machine tools, gearboxes

Double Direction Angular Contact Bearings

Support axial loads in both directions with high stiffness and precision.

  • Design: Preloaded duplex arrangement
  • Applications: Spindles, robotics
  • Material: Stainless or chrome steel
  • Seals: Optional metal or rubber shields

Axial-Radial Cylindrical Roller Bearings

Combines axial and radial load support in compact, high-capacity designs.

  • Load Type: Combined axial & radial
  • Applications: Gearboxes, turbines
  • Precision: P5, P4
  • Lubrication: Oil or grease

Screw Drive Bearings

Optimized for ball screw support with high rigidity and minimal friction.

  • Design: Back-to-back or face-to-face
  • Preload: Adjustable for stiffness
  • Applications: CNC machines, automation
  • Standards: ISO, DIN, ABEC

Miniature Stainless Bearings

Corrosion-resistant, compact bearings for medical and food-grade applications.

  • Material: AISI 440C, 316 stainless steel
  • Sizes: From 1mm bore upward
  • Seals: Non-contact rubber or metal
  • Standards: FDA-compliant options

Ultra-Precision Bearings

Engineered for the most demanding environments with micron-level tolerances.

  • Precision: P2/ABEC9, P4/ABEC7
  • Material: Cronidur® 30, Si3N4 ceramic
  • Speed: Up to 200,000 RPM
  • Applications: UAV engines, spindles

Ceramic Hybrid Bearings

Full ceramic ball design for reduced weight, heat, and electrical conductivity.

  • Balls: HIP Si3N4 ceramic
  • Rings: Stainless or chrome steel
  • Advantages: Non-magnetic, low friction
  • Applications: Medical, semiconductor

Our Services

From design to remanufacturing, BRZB supports your entire bearing lifecycle.

Engineering & Design

Custom bearing solutions tailored to your application requirements and environmental conditions.

Bearing Failure Analysis

Root cause analysis to prevent future failures and improve system reliability.

Spindle Remanufacturing

Restore worn spindles to like-new condition with precision balancing and calibration.

Inventory Management

Just-in-time supply and stock optimization to reduce downtime and costs.

Customized Packaging

Specialized packaging for sensitive or high-value bearings to ensure safe delivery.

Industries We Serve

Aerospace

UAV turbojet engines, model aviation, high-speed rotors.

Food & Packaging

Hygienic, corrosion-resistant bearings for food processing lines.

Semiconductor

Ultra-clean, non-magnetic bearings for wafer handling.

Medical Equipment

Precision bearings for surgical tools and diagnostic devices.

Solar Power

Durable bearings for solar tracking systems and inverters.

Machine Tools

High-speed spindles, CNC machinery, and automation systems.

IoT 4.0

Smart transport and handling systems with long-life bearings.

Get in Touch

Reach out to our engineering team for custom solutions, technical support, or product inquiries.

Contact Information

  • +86-379-65166979
  • +8613303790179
  • sales@brzbearing.com
  • Luoyang, Henan, China
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