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Super Precision Angular Contact Ball Bearings 71907 ACD/HCP4A

Super Precision Angular Contact Ball Bearings 71907 ACD/HCP4A

The 71907 ACD/HCP4A is a super precision angular contact ball bearing with a 35mm bore and 55mm outer diameter, designed for high-speed applications. Its 25° contact angle efficiently handles combined radial and axial loads up to 2077 lbf.

Made from chrome steel rings and ceramic balls, it offers smooth operation at speeds up to 43,000 RPM. The phenolic cage reduces friction and wear, while the open design allows easy lubrication.

This P4-class bearing is available in matched sets for precise alignment needs. It performs reliably in temperatures from -30°C to 110°C, making it suitable for machine tools or spindle applications.

Weighing just 68 grams, it’s a lightweight yet robust solution for precision engineering requirements. Interchangeable with SKF bearings for easy replacement.

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Product Parameters

  • Part Number 71907 ACD/HCP4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 35 mm
  • Bore Dia Tolerance -0.006mm to 0
  • Outer Dia 55 mm
  • Outer Dia Tolerance -0.007mm to 0
  • Width 10 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 5.556 mm
  • Ball Qty 21
  • Contact Angle 25°
  • Tolerance Class P4 (ABEC-7)
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement Available
  • Preload Available
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 2077 lbf
  • Static Radial Load 1395 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 43000 rpm
  • Weight 0.068 kg
  • Price（$） 256.221
Super Precision Angular Contact Ball Bearings 71907 ACD/HCP4A dimension drawing
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Features

Performance Features of 71907 ACD/HCP4A Bearing

71907 ACD/HCP4A Bearing features a 25° contact angle, optimised for precision angular contact applications.
Its chrome steel rings and ceramic balls reduce friction, enhancing performance in high-speed operations.

The phenolic cage ensures smooth movement and durability, even under substantial radial loads.
With a maximum speed of 43,000 rpm, it delivers reliable efficiency for demanding tasks.

71907 ACD/HCP4A Bearing operates within a temperature range of -30° to 110°C, suitable for varied environments.
Its P4 tolerance class guarantees high precision, making it ideal for critical applications.

Application

Essential Roles of 71907 ACD/HCP4A Bearing
71907 ACD/HCP4A Bearing is commonly used in high-precision machine tools, where its 25° contact angle ensures accurate radial and axial load handling. The ceramic balls reduce friction, making it ideal for high-speed operations.

In robotics, 71907 ACD/HCP4A Bearing provides smooth motion control for robotic arms and automated systems. Its phenolic cage offers lightweight durability, perfect for repetitive movements.

For medical imaging devices, 71907 ACD/HCP4A Bearing’s P4 tolerance class guarantees consistent performance in sensitive equipment. The open design allows for easy lubrication, extending its lifespan in demanding environments.

Automotive applications like electric motor shafts benefit from 71907 ACD/HCP4A Bearing’s matched arrangement, ensuring balanced loads and reduced vibration. Its chrome steel rings withstand harsh conditions while maintaining precision.

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