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Super Precision Angular Contact Ball Bearings 71907 CD/HCP4ADGA

Super Precision Angular Contact Ball Bearings 71907 CD/HCP4ADGA

The 71907 CD/HCP4ADGA is a super precision angular contact ball bearing with a 35mm bore and 55mm outer diameter, crafted from chrome steel for durability. It features a 15° contact angle and ceramic balls for smooth operation at high speeds up to 56,000 RPM.

Its open design and phenolic cage ensure low friction and easy maintenance, while the extra light preload (Class A) enhances precision. The bearing handles dynamic radial loads up to 3578 lbf and operates in temperatures from -30°C to 110°C.

This model comes in a matched set of two, allowing universal mounting options like back-to-back, face-to-face, or tandem arrangements. Ideal for high-precision applications such as machine tools or spindle drives where accuracy is key.

Weighing just 0.14kg, it’s lightweight yet robust, and interchangeable with SKF bearings for easy replacements. Compliant with P4A tolerance class for reliable performance.

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Product Parameters

  • Part Number 71907 CD/HCP4ADGA
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 35 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 55 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 20 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 5.556 mm
  • Ball Qty 21
  • Contact Angle 15°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement Universal matching
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing Yes, back-to-back (<>), face-to-face (><) or tandem (>>)
  • Preload Extra light / Class A
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 3578 lbf
  • Static Radial Load 2902 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 56000 rpm
  • Weight 0.14 kg
Super Precision Angular Contact Ball Bearings 71907 CD/HCP4ADGA dimension drawing
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Features

Performance Features of 71907 CD/HCP4ADGA Bearing

71907 CD/HCP4ADGA Bearing is designed with a 15° contact angle, ideal for precision angular contact applications.
Its chrome steel rings and ceramic balls ensure high-speed performance, reaching up to 56,000 rpm.

The phenolic cage maintains ball alignment, reducing friction and enhancing durability.
With universal matching, it supports back-to-back, face-to-face, or tandem arrangements for versatile use.

Dynamic radial load capacity of 3578 lbf ensures reliable operation under stress.
The extra light preload (Class A) minimises vibration, making it suitable for precision tasks.

Its open design allows easy lubrication, extending service life.
Operating between -30°C to 110°C, it performs well in varied temperature conditions.

Application

Essential Roles of 71907 CD/HCP4ADGA Bearing
71907 CD/HCP4ADGA Bearing is widely used in high-speed machine tools, where its precision angular contact design ensures accurate performance. The ceramic balls reduce friction, making it ideal for applications demanding smooth operation.

In automotive systems, 71907 CD/HCP4ADGA Bearing supports components like electric motors and gearboxes, thanks to its extra light preload. The universal matching feature allows for flexible installation in various configurations.

For medical imaging devices, 71907 CD/HCP4ADGA Bearing’s phenolic cage and chrome steel rings provide reliable performance. Its P4A tolerance class ensures consistency in critical applications.

Automation and robotics benefit from 71907 CD/HCP4ADGA Bearing’s high-speed capabilities, particularly in robotic arms. The lubricated design helps maintain performance over extended periods.

In consumer electronics, 71907 CD/HCP4ADGA Bearing is found in precision devices like 3D printers. Its lightweight construction and high-speed tolerance make it a practical choice for compact equipment.

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