71908 ACD/P4A Super Precision Single Row Angular Contact Ball Bearing 7908

71908 ACD/P4A 40*62*12 mm Super Precision High Capacity Single Row Angular Contact Ball Bearing  High Speed

Super-precision, high-capacity D design, single row angular contact ball bearing

The 71908 ACD/P4A bearing,bore diameter is 40 mm, outside diameter is 62 mm,width is 12 mm,featuring precise dimensions, high static load capacity, P4A precision grade, delivers superior performance and reliability for applications requiring high rotational accuracy and stability.

What's the Performance Features of 71908 ACD/P4A Bearing?

The 71908 ACD/P4A 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 71908 ACD/P4A Bearing?

The 71908 ACD/P4A,as a high-precision angular contact ball bearing, is primarily used in industrial applications that require high-speed rotation, high rigidity, and ultra-high precision. Below are the specific application areas and typical scenarios:

1. Machine Tool Manufacturing

• Machining Centers: Support high-speed tools in spindle systems for precision machining.

• Grinding Machines: Provide stable radial and axial load capacity for grinding wheel spindles.

• CNC Lathes: Enhance dynamic response in tool changers and spindle units.

2. Printing and Packaging Equipment

• Printing Machinery: Ensure precise roller rotation in machines like Heidelberg printers.

• Packaging Machinery: Maintain stability in high-speed page dividers and folding machines.

3. Chemical and Rubber Machinery

• Rubber Extruders: Withstand complex loads in high temperature and pressure environments.

• Plastic Calenders: Support high-load rollers, extending equipment life.

4. Motors and Precision Instruments

• High-Speed Motors: Optimize energy transmission in AC welder spindles and servo motors.

• Laboratory Equipment: Reduce vibration and noise in centrifuges and mixing devices.

5. Automotive and Aerospace

• Automotive Sensors: High-precision components in gearboxes and electric motor control systems.

• Aerospace Navigation Equipment: Ensure reliability and low friction under extreme conditions.