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Super Precision Angular Contact Ball Bearings 71812 CD/P4

Super Precision Angular Contact Ball Bearings 71812 CD/P4

The 71812 CD/P4 is a super precision angular contact ball bearing with a 60mm bore and 78mm outer diameter, crafted from high-quality chrome steel. Its compact 10mm width makes it suitable for space-sensitive applications.

With a 15° contact angle, it handles both radial and axial loads efficiently, supporting up to 3038 lbf dynamically. It spins smoothly at speeds up to 24,000 RPM, ideal for high-performance machinery.

The open design allows easy lubrication, while the phenolic cage ensures quiet operation and durability. It operates reliably in temperatures from -30°C to 110°C.

This bearing meets P4 tolerance standards (ABEC-7), ensuring precise performance. Perfect for applications like machine tool spindles or high-speed motors where accuracy is key. Weighing just 0.1kg, it’s lightweight yet robust.

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Product Parameters

  • Part Number 71812 CD/P4
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 60 mm
  • Bore Dia Tolerance -0.007mm to 0
  • Outer Dia 78 mm
  • Outer Dia Tolerance -0.007mm to 0
  • Width 10 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 5.556 mm
  • Ball Qty 28
  • Contact Angle 15°
  • Tolerance Class P4 (ABEC-7)
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement No
  • Preload Available
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 3038 lbf
  • Static Radial Load 3218 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 24000 rpm
  • Weight 0.1 kg
  • Price（$） 529.65
Super Precision Angular Contact Ball Bearings 71812 CD/P4 dimension drawing
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Features

Performance Features of 71812 CD/P4 Bearing

71812 CD/P4 Bearing is crafted with chrome steel rings and balls, offering high precision for angular contact applications.
Its 15° contact angle ensures efficient load distribution, enhancing performance in high-speed operations.

The phenolic cage maintains ball alignment, reducing friction and wear over time.
With a dynamic radial load capacity of 3038 lbf, it handles demanding conditions reliably.

71812 CD/P4 Bearing operates smoothly at speeds up to 24,000 rpm, making it suitable for precision tasks.
Its P4 tolerance class guarantees consistent accuracy, meeting strict industry standards.

The open design allows for easy lubrication, ensuring long-lasting performance.
Weighing just 0.1 kg, it combines durability with lightweight convenience.

Application

Practical Applications of 71812 CD/P4 Bearing
71812 CD/P4 Bearing is commonly used in high-speed machine tools, where its precision angular contact design ensures accurate spindle rotation. The phenolic cage reduces friction, making it suitable for continuous operation.

In automotive applications, 71812 CD/P4 Bearing supports components like electric motors and transmission systems. Its 15° contact angle helps manage combined radial and axial loads effectively.

For robotics, 71812 CD/P4 Bearing provides smooth motion in articulated arms and joints. The P4 tolerance class ensures minimal vibration, which is crucial for precise movements.

Medical imaging devices benefit from 71812 CD/P4 Bearing’s reliable performance and low noise. The chrome steel construction offers durability in sterile environments.

In consumer electronics, 71812 CD/P4 Bearing is found in high-end printers and scanners. Its compact size and high-speed capability make it a practical choice for space-constrained designs.

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