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Super Precision Angular Contact Ball Bearings 71902 CE/HCP4A

Super Precision Angular Contact Ball Bearings 71902 CE/HCP4A

The 71902 CE/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 for durability. It handles radial loads up to 718 lbf and reaches speeds of 140,000 RPM, making it suitable for high-performance applications.

Its 15° contact angle and P4 tolerance class ensure smooth operation and precise alignment. The phenolic cage adds stability, while the open design allows for easy lubrication and maintenance.

This bearing works well in temperatures from -30°C to 110°C and is interchangeable with SKF models. Ideal for precision machinery like spindles or dental equipment where accuracy and speed are key.

Weighing just 0.013kg, it’s lightweight yet robust, offering reliable performance in demanding conditions.

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Product Parameters

  • Part Number 71902 CE/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 12
  • 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 718 lbf
  • Static Radial Load 308 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 140000 rpm
  • Weight 0.013 kg
  • Price（$） 121.923
Super Precision Angular Contact Ball Bearings 71902 CE/HCP4A dimension drawing
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Features

Performance Features of 71902 CE/HCP4A Bearing

71902 CE/HCP4A Bearing is designed with a 15° contact angle, optimising load distribution for precision applications.
Its ceramic balls and chrome steel rings enhance durability while reducing friction.

The phenolic cage ensures smooth operation at high speeds, up to 140,000 rpm.
With a P4 tolerance class, it delivers consistent performance in demanding conditions.

71902 CE/HCP4A Bearing’s dynamic radial load capacity of 718 lbf makes it suitable for heavy-duty use.
Its compact size (15 mm×28 mm×7 mm) allows for easy integration into precision machinery.

The open design simplifies maintenance, while the preload option enhances stability.
Operating between -30° to 110°C, it performs reliably in varied environments.

Application

Essential Roles of 71902 CE/HCP4A Bearing
71902 CE/HCP4A Bearing is commonly used in high-speed machine tools, where its precision angular contact design ensures accurate spindle rotation. The ceramic balls reduce friction, making it ideal for applications demanding smooth operation.

In robotics, 71902 CE/HCP4A Bearing supports articulated arms, providing stability during rapid movements. Its phenolic cage offers lightweight durability, which is crucial for repetitive tasks.

For medical imaging devices, 71902 CE/HCP4A Bearing’s P4 tolerance class guarantees consistent performance in sensitive equipment. The open design allows for easy lubrication, extending its service life in critical environments.

Automotive applications like electric motor shafts benefit from 71902 CE/HCP4A Bearing’s ability to handle both radial and axial loads. Its compact size fits seamlessly into tight spaces without compromising performance.

In consumer electronics, 71902 CE/HCP4A Bearing ensures quiet operation in devices like high-end printers. The chrome steel rings and ceramic balls work together to minimise wear over time.

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