SKF 7216 CDGB/P4A PRICE 390 EURO

Detailed technical data sheet for SKF 7216 CDGB/P4A bearing

General Description:

The SKF 7216 CDGB/P4A bearing is a high-precision angular contact ball bearing designed for operations requiring high standards of speed, precision, and stability. It is primarily used in industries such as precision engineering, high-speed instrumentation, CNC machining, and aerospace applications, where quality and precision are essential.

Technical data:

• Dimensions:

  • Hole Diameter (d): 80 mm
  • External Diameter (D): 140 mm
  • Width (B): 26 mm
  • Ball Diameter: 17.462 mm
  • Number of Spheres: 17

• Load capacity:

  • Dynamic Radial Load (C): 85.2 kN
  • Static Radial Load (C0): 75 kN
  • Fatigue load limit (Pu): 3 kN

• Speed ​​Limit:

  • Grease lubrication: 9,500 rpm
  • Oil lubrication: 16,000 rpm

• Weight: 1.46 kg

• Contact angle: 15°

• Ball and Ring Material: High strength chrome steel

• Cage Material: Phenolic (reinforced resin)

Mechanical Characteristics:

• Preload: Class B (light), which allows for greater axial and radial stiffness.
• Precision tolerances: Class P4A (super precision) for high speed and precision applications.
• Universal configuration: The bearing can be mounted in various arrangements, such as back-to-back (<>), face-to-face (><), or tandem (>>), depending on the application.

Typical Applications:

1. Machine Tool Spindles: Used in CNC machines and precision grinding machines to ensure accurate and stable high-speed performance.
2. High Speed ​​Machines: Ideal for drilling and milling machines, where high speeds are essential.
3. Aerospace: Key component for actuators, gyroscopes, and jet engines, where precision is vital.
4. Medical Instrumentation: Useful in medical devices such as dental drills and high-speed imaging equipment.

Advantages of purchasing ready-to-deliver stock:

1. Immediate delivery: Ensures immediate product availability, reducing machine and process downtime.
2. Reduced cost: Buying in bulk can offer cost advantages over ordering made-to-order, especially for large quantities.
3. Quality Control: SKF bearings are manufactured to high quality standards, ensuring reliable and consistent performance. Having products readily available prevents production delays or non-compliance.

Manufacturer's description (SKF):

SKF, founded in 1907, is a world leader in the production of bearings, sealing solutions, and lubrication systems. Headquartered in Sweden, the company stands out for its innovation and product quality. Their range of high-precision bearings is used in numerous industrial and technological sectors, ensuring superior performance through continuous research and development.

Related mathematical formulas:

• Dynamic load capacity: The formula for determining the nominal bearing life (L10) is:

  $$L$$

  Where C is the dynamic load, P is the applied load, and p is an exponent based on the bearing type (for ball bearings, p = 3).

• Limiting speed: The limiting speed is directly related to lubrication and heat dissipation. For high speeds, the use of lubricating oil is preferable.

These characteristics make the SKF 7216 CDGB/P4A bearing an excellent component in the industrial and technical fields