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Super Precision Angular Contact Ball Bearings 71902 CD/HCP4A

Super Precision Angular Contact Ball Bearings 71902 CD/HCP4A

The 71902 CD/HCP4A is a super precision angular contact ball bearing with a compact size of 15mm by 28mm by 7mm, crafted from chrome steel and ceramic balls. It handles radial loads up to 893 lbf and reaches speeds of 110,000 RPM, making it suitable for high-performance applications.

With a 15° contact angle and P4 tolerance class, it offers excellent accuracy for precise machinery. The phenolic cage ensures smooth operation and durability under demanding conditions.

Its open design allows for easy lubrication, maintaining performance in temperatures from -30°C to 110°C. Ideal for use in spindle motors or high-speed machining tools where precision is key.

Weighing just 0.014kg, it’s lightweight yet robust, and interchangeable with SKF bearings for convenient replacements.

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Product Parameters

  • Part Number 71902 CD/HCP4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 15 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 28 mm
  • Outer Dia Tolerance -0.005mm to 0
  • Width 7 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 3.969 mm
  • Ball Qty 13
  • 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 Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 893 lbf
  • Static Radial Load 428 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 110000 rpm
  • Weight 0.014 kg
  • Price（$） 157.941
Super Precision Angular Contact Ball Bearings 71902 CD/HCP4A dimension drawing
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Features

Performance Features of 71902 CD/HCP4A Bearing

71902 CD/HCP4A Bearing features a 15° contact angle, optimised for precision angular contact applications.
Its chrome steel rings and ceramic balls ensure smooth operation even at high speeds up to 110,000 rpm.

The phenolic cage maintains ball alignment, reducing friction and wear over time.
With a dynamic radial load capacity of 893 lbf, it handles demanding tasks reliably.

71902 CD/HCP4A Bearing operates efficiently within a temperature range of -30° to 110°C.
Its P4 tolerance class guarantees high precision, making it suitable for critical applications.

Application

Industrial Uses of 71902 CD/HCP4A Bearing
71902 CD/HCP4A Bearing is commonly used in high-speed machine tools, where its precision angular contact design ensures accurate performance. The ceramic balls reduce friction, making it suitable for demanding industrial environments.

In automotive applications, 71902 CD/HCP4A Bearing supports components like electric motors and gearboxes, where its 15° contact angle handles combined loads effectively. The P4 tolerance class ensures reliability in high-performance vehicles.

For automation systems, 71902 CD/HCP4A Bearing’s phenolic cage and chrome steel rings provide durability in robotic arms and CNC machines. Its lightweight design also contributes to faster, more efficient operations.

Medical equipment benefits from 71902 CD/HCP4A Bearing’s smooth operation, particularly in imaging devices and surgical tools. The lubricated design ensures quiet performance, essential for sensitive medical environments.

In consumer electronics, 71902 CD/HCP4A Bearing is found in devices like high-end printers and drones, where its precision and speed enhance performance. The compact size makes it ideal for space-constrained applications.

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