NSK Angular contact ball high speed machine tool bearings 71900

JAPAN NSK 71900 High-Speed Angular Contact Ball Bearings for Machine Tools

Product Overview:

The JAPAN NSK 71900 Angular Contact Ball Bearings are designed for high-speed machine tool applications. These bearings efficiently handle one-way axial loads, thanks to their various contact angle options. Constructed with durable materials, they offer reliable performance in demanding mechanical environments.

Key Features:

• Contact Angle Options: Available in 15°, 30°, and 40°, represented by letters C, A, and B, respectively. Special versions with a 25° contact angle are marked as A5. A larger contact angle provides a higher capacity to bear axial loads.
• Load Bearing: Ideal for supporting substantial one-way axial loads, providing stability and strength.
• Material: Made from steel, brass, or engineering plastic. Can be manufactured through pressing or turning, depending on usage requirements.
• Variety of Types: Includes single-row, matched, double-row, and four-point contact ball bearings for versatile applications.

Applications:

• Widely used in various machinery industries such as:
  • Metallurgical machinery
  • Mining machinery
  • Paper-making machinery
  • Textile machinery

Specifications:

• Angular Contact Thrust Ball Bearing: Suitable for ball screw support in machine tool applications.
• Brand Details: NSK 25TAC62BSBC10PN7A
  • 25: Inner diameter size in mm
  • TAC: Thrust angular contact ball bearing, 60° contact angle
  • 62: Outer diameter size in mm
  • B: Internal structure style
  • DF: Bearing combinations (face-to-face, back-to-back, tandem)
  • C10: Standard preloaded for stability
  • C9: Light preloaded, suitable for low torque operations
  • PN7A: Standard precision (ISO4 class equivalent)
  • PN7B: Special control precision (ISO4 grade, specific to SU combinations)

Bearing Combination Options:

• Single (SU) and Double (DU) Columns: Allows for versatile configurations.
• Back-to-Back (DB) and Face-to-Face (DF): Enhances stability and load distribution.
• Three-Column (DBD, DFD, DTD) and Four-Column (DBB, DFF, DBT, DFT, DTT) Combinations: Provides additional load-bearing capacity for specialized applications.

Types of Angular Contact Ball Bearings:

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

Benefits of Angular Contact Ball Bearings:

1. High Load Capacity: Can handle greater loads than deep groove ball bearings of the same size.
2. Versatile Load Handling: Suitable for radial-axial combined loads and pure thrust loads.
3. High-Speed Operation: Features low friction and high limiting speed, ensuring efficient performance.

Keywords: NSK 71900 Angular Contact Ball Bearings, High-Speed Bearings, Machine Tool Bearings, Industrial Bearings, Axial Load Capacity, Low Friction