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Super Precision Angular Contact Ball Bearings 71902 CEGA/HCP4A

Super Precision Angular Contact Ball Bearings 71902 CEGA/HCP4A

The 71902 CEGA/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 spins smoothly at speeds up to 140,000 RPM.

Its phenolic cage and extra-light preload ensure quiet operation and minimal friction, making it ideal for high-speed applications. The open design allows for easy lubrication and maintenance.

This bearing suits precise machinery like spindles or dental tools, where accuracy and speed are crucial. It operates in temperatures from -30°C to 110°C and comes in a matched set for versatile mounting options.

Weighing just 0.013kg, it’s lightweight yet robust, meeting P4A tolerance standards for reliable performance. Compatible with SKF models, it’s a practical choice for replacements or upgrades.

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Product Parameters

  • Part Number 71902 CEGA/HCP4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 15 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 28 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 7 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 3.969 mm
  • Ball Qty 12
  • Contact Angle 15°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement No
  • 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 718 lbf
  • Static Radial Load 308 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 140000 rpm
  • Weight 0.013 kg
Super Precision Angular Contact Ball Bearings 71902 CEGA/HCP4A dimension drawing
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Features

Performance Features of 71902 CEGA/HCP4A Bearing

71902 CEGA/HCP4A Bearing is crafted with chrome steel rings and ceramic balls, ensuring high precision and durability.
Its 15° contact angle allows for efficient handling of combined radial and axial loads.

The phenolic cage maintains ball alignment, reducing friction and enhancing performance.
With a maximum speed of 140,000 rpm, it excels in high-speed applications.

71902 CEGA/HCP4A Bearing operates smoothly within a temperature range of -30°C to 110°C.
Its extra light preload ensures minimal resistance, ideal for precision tasks.

The open design simplifies lubrication, maintaining optimal performance over time.
Weighing just 0.013 kg, it offers a lightweight yet robust solution for demanding environments.

Application

How Does 71902 CEGA/HCP4A Bearing Improve Performance?
71902 CEGA/HCP4A Bearing is widely used in high-speed machine tools, where its ceramic balls and phenolic cage reduce friction and heat buildup. The extra light preload ensures smooth operation even at 140,000 rpm.

In robotics, 71902 CEGA/HCP4A Bearing provides precise angular contact for articulated arms, thanks to its 15° contact angle and P4A tolerance. Its compact 15 mm bore fits neatly into tight spaces without sacrificing performance.

For dental handpieces, 71902 CEGA/HCP4A Bearing’s chrome steel rings and ceramic balls offer the durability needed for frequent sterilisation cycles. The open design allows easy cleaning, essential in medical environments.

Where Is 71902 CEGA/HCP4A Bearing Used?
You’ll often find 71902 CEGA/HCP4A Bearing in 3D printers, where its low friction and high-speed capability ensure precise layer deposition. The metric sizing makes it compatible with most European-designed printer frames.

In optical equipment like lens positioning systems, 71902 CEGA/HCP4A Bearing’s precision alignment maintains focus accuracy. The phenolic cage dampens vibrations, crucial for clear image capture.

Built for Heavy-Duty Use: 71902 CEGA/HCP4A Bearing
Despite its small 7 mm width, 71902 CEGA/HCP4A Bearing handles significant radial loads in packaging machinery. The ceramic balls resist wear even in continuous operation cycles.

For electric vehicle motors, 71902 CEGA/HCP4A Bearing’s temperature stability ensures reliability from -30°C to 110°C. The universal matching feature allows flexible arrangement in motor assemblies.

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