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Home / Screw bearing / FL760/P4 DBB Series Flange Type Spindle Bearings

FL760/P4 DBB Series Flange Type Spindle Bearings

The FL760/P4 DBB Series Flange Type Spindle Bearings are engineered for precision machine tools and industrial equipment, combining metric standards with DBB (double back-to-back) paired configurations. These bearings offer high rigidity, accuracy, and compact installation, making them ideal for ball screw supports, spindle drives, and other demanding applications.

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FL760/P4 DBB Series Flange Type Spindle Bearings
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TOP PRODUCT TYPES DENTAIL APPLICATION RELATED PRODUCTS
FL760/P4 DBB Series Flange Type Spindle Bearings
  Type Main dimensions Rated load Rated speed
      Dynamics Static Speed limit
Mail   d[mm] D[mm] B[mm] C[kN] C0[kN] [r/min]
FL760304/P4 DBB 20 52 10 40.8 28.8 3200.0
FL760208/P4 DBB 40 80 12 52.5 37.5 2200.0
FL760207/P4 DBB 35 72 10 43.7 37.5 2500.0
FL760206/P4 DBB 30 52 10 33.2 27.5 2800.0
FL760205/P4 DBB 25 62 10 25.5 18.8 3300.0
FL760204/P4 DBB 20 47 10 22.8 15.8 4500.0
FL760203/P4 DBB 17 40 10 20.2 13.5 5000.0
FL760202/P4 DBB 15 35 10 19.2 12.4 5000.0
Dentail

Key Advantages

  1. High Precision & Stability
    • Manufactured to P4 (ABEC-7) precision standards, with micron-level radial runout for smooth high-speed rotation.
    • DBB dual angular contact ball design distributes axial and radial loads effectively, enhancing resistance to overturning moments.
  2. Integrated Flange Design
    • Flanged outer ring eliminates the need for separate bearing housings, simplifying installation and saving space.
    • Available in round and trimmed flange versions for versatile mounting.

Technical Specifications

  • Accuracy Class: P4 (ABEC-7)
  • Contact Angles: 30°/40° (axial load capacity up to 16.8kN)
  • Maximum Speed: 18,000-45,000rpm (grease lubricated)
  • Operating Temperature: -40℃ to +150℃

Application
The bearings can be used in the following industries
  • CNC Machine Tools: Ball screw supports, spindle drives
  • Precision Machinery: Grinders, engraving machines, coordinate measuring machines
  • Industrial Automation: Robot joints, high-speed centrifuges
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