NSK Angular Contact Ball Bearings 705, 706, 707, 708, 709, 725, 726 – High-Precision Bearings

NSK Angular Contact Ball Bearings 705, 706, 707, 708, 709, 725, 726 – High-Precision Bearings

The NSK Angular Contact Ball Bearings are designed for high-speed, high-precision applications, capable of handling combined radial and axial loads. With contact angles of 15°, 30°, 40°, and specialized 25°, these bearings are suitable for various load requirements. Constructed with high-quality steel balls and available in different configurations, they offer durability and reliability in demanding industrial environments.

Specifications:

• Bearing Type: Angular Contact Ball Bearings
• Models: 705, 706, 707, 708, 709, 725, 726
• Contact Angles:
  • 15° (C)
  • 30° (A)
  • 40° (B)
  • Special 25° (A5)
• Material: Steel balls with steel, brass, or engineering plastic retainers
• Combinations:
  • SU: Single bearing
  • DU: Two columns free combination
  • DB: Back-to-back combination
  • DF: Face-to-face combination
  • DT: Tandem combination
  • DBD, DFD, DTD: Three columns combination
  • DBB, DFF, DBT, DFT, DTT: Four columns combination
• Preload:
  • C10: Standard preloaded
  • C9: Lightly preloaded (low torque)
• Precision:
  • PN7A: Standard precision (ISO 4 class)
  • PN7B: Special control precision for inner and outer diameter size difference (ISO 4 grade)

Features:

1. High Load Capacity: Higher than deep groove ball bearings of the same dimensions.
2. Radial and Axial Load: Suitable for bearing radial-axial combined loads or pure thrust loads.
3. Low Friction & High Speed: Engineered for low operating friction and high-speed performance.
4. Versatile Application: Widely used in machinery, including metallurgical, mining, paper-making, and other industrial equipment.

Applications: Ideal for ball screw support in machine tool applications and various industrial machinery like metallurgic, mining, and paper-making machinery.

Types of Angular Contact Ball Bearings:

1. Single row angular contact ball bearing
2. Matched angular contact ball bearing
3. Double row angular contact ball bearing
4. Four-point contact ball bearing

Keywords: NSK Angular Contact Bearings, High-Speed Bearings, Precision Bearings, 705 706 707 708 709 725 726 Bearings, Radial-Axial Bearings