71910 CB/HCP4A 50*72*12 mm Super Precision High Capacity Single Row Angular Contact Ball Bearing Hybrid Ceramic Balls High Speed

Super-precision, high-speed B design, single row angular contact ball bearing

The 71910 CB/HCP4A bearing,bore diameter is 50 mm, outside diameter is 72 mm,width is 12 mm,featuring precise dimensions, high static load capacity, P4A precision grade, and hybrid ceramic balls, delivers superior performance and reliability for applications requiring high rotational accuracy and stability.

What's the Performance Features of 71910 CB/HCP4A Bearing?

The 71910 CB/HCP4A angular contact ball bearing is engineered for high-precision and high-performance applications, featuring very tight tolerances suitable for precise machinery, the ability to handle both radial and axial loads simultaneously, high-speed operation with stability, low torque and friction for energy efficiency, enhanced rigidity for accuracy under heavy loads, durability with extended service life, effective performance across a wide temperature range.

What's the Applications of the 71910 CB/HCP4A Bearing?

The 71910 CB/HCP4A bearing, as a super-precision angular contact ball bearing, is widely used in various fields due to its high-speed capability, high rigidity, and P4-level accuracy. Below are its primary applications:

1. Precision Machine Tool Field

• Machine Tool Spindles: The P4-level accuracy and hybrid ceramic material (steel balls with ceramic cages) meet the requirements of CNC machines and machining center spindles for high-speed rotation (up to 34,000 rpm with oil lubrication) and radial/axial rigidity. It is particularly suitable for high-precision machining scenarios such as milling and turning.

• Machine Tool Functional Components: Used in table guideways, screw support positions, and other areas to ensure positioning accuracy and dynamic stability. Commonly found in equipment like grinders and boring machines.

2. Printing and Packaging Equipment

• High-Speed Printing Machines: In equipment such as Heidelberg printing machines, it supports the high-speed operation of rollers, adapts to frequent starts/stops and load changes, and ensures precise color registration.

• Automated Packaging Lines: Plays a critical role in precision transmission for slitting machines and die-cutting machines, reducing vibration effects on packaging quality .

3. Aerospace and Scientific Instruments

• Aero-Engine Test Stands: Withstands extreme speeds and temperature conditions, used in turbo-shaft simulation test systems .

• High-Precision Measuring Equipment: Applied to rotating components of precision instruments such as laser interferometers and spectrometers, ensuring measurement repeatability .

4. Special Industrial Equipment

• High-Speed Electric Spindles: PCB drilling machines and micro-tool processing equipment .

• Robot Joints: Used in collaborative robot harmonic reducer supports, balancing high rigidity and low friction characteristics .

If you need more detailed information , feel free to ask!