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Super Precision Angular Contact Ball Bearings 71905 CE/HCP4AQGA

Super Precision Angular Contact Ball Bearings 71905 CE/HCP4AQGA

The 71905 CE/HCP4AQGA is a super precision angular contact ball bearing with a 25mm bore and 42mm outer diameter, crafted from durable chrome steel. Its 15° contact angle and ceramic balls ensure smooth operation under angular loads.

This bearing handles dynamic radial loads up to 3150 lbf and spins at remarkable speeds up to 83,000 RPM. The phenolic cage and lubricated design contribute to its long service life and low friction.

With universal matching capability, it can be arranged back-to-back, face-to-face, or tandem in sets of four. Ideal for high-precision applications like machine tool spindles or dental equipment.

Weighing just 0.14kg, it operates efficiently in temperatures from -30°C to 110°C, meeting P4A tolerance standards for exceptional accuracy.

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Product Parameters

  • Part Number 71905 CE/HCP4AQGA
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 25 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 42 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 36 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 4.762 mm
  • Ball Qty 16
  • Contact Angle 15°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement Universal matching
  • Number Of Bearings In Matched Set 4
  • 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 3150 lbf
  • Static Radial Load 2520 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 83000 rpm
  • Weight 0.14 kg
Super Precision Angular Contact Ball Bearings 71905 CE/HCP4AQGA dimension drawing
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Features

Why Choose 71905 CE/HCP4AQGA Bearing for Precision Tasks?

71905 CE/HCP4AQGA Bearing features a 15° contact angle, ideal for high-precision angular contact applications.
Its ceramic balls and chrome steel rings ensure smooth operation with minimal friction.

The phenolic cage maintains ball alignment, enhancing durability and reducing wear.
With a maximum speed of 83,000 rpm, it delivers reliable performance in demanding conditions.

Universal matching allows flexible arrangements like back-to-back or face-to-face configurations.
This makes 71905 CE/HCP4AQGA Bearing versatile for various precision engineering needs.

Application

Industrial Uses of 71905 CE/HCP4AQGA Bearing
71905 CE/HCP4AQGA Bearing is commonly used in high-speed machine tools, where its precision angular contact design ensures accurate spindle performance. The ceramic balls reduce friction, making it ideal for applications requiring smooth rotation.

Where Is 71905 CE/HCP4AQGA Bearing Used?
You’ll often find 71905 CE/HCP4AQGA Bearing in automotive transmissions, where its extra light preload helps maintain efficiency under angular loads. Its universal matching feature also allows flexible installation in various configurations.

Built for Heavy-Duty Use: 71905 CE/HCP4AQGA Bearing
71905 CE/HCP4AQGA Bearing handles demanding conditions in robotics, particularly in articulated arms where precise movement is key. The phenolic cage adds durability while keeping weight low for faster operation.

Medical vs Industrial: Where 71905 CE/HCP4AQGA Bearing Excels
In medical imaging devices, 71905 CE/HCP4AQGA Bearing’s P4A tolerance class ensures quiet, vibration-free performance. For industrial automation, its high-speed capability (up to 83,000 rpm) supports efficient production lines.

Q&A

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