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Super Precision Angular Contact Ball Bearings 71905 CE/HCPA9ADGA

Super Precision Angular Contact Ball Bearings 71905 CE/HCPA9ADGA

The 71905 CE/HCPA9ADGA is a super precision angular contact ball bearing with a 25mm bore and 42mm outer diameter, crafted from chrome steel for durability. It features a 15° contact angle and ceramic balls for smooth operation.

Designed for angular loads, it handles up to 1960 lbf dynamically and spins at speeds up to 83,000 RPM. The phenolic cage ensures quiet performance, while the open design allows easy lubrication.

This bearing comes in a matched set of two, suitable for universal mounting (back-to-back, face-to-face, or tandem). Ideal for high-speed applications like machine tool spindles or precision instruments.

Weighing just 0.072kg, it operates in temperatures from -30°C to 110°C. Compliant with PA9A tolerance class for exceptional accuracy.

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Product Parameters

  • Part Number 71905 CE/HCPA9ADGA
  • 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 18 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 4.762 mm
  • Ball Qty 16
  • Contact Angle 15°
  • Tolerance Class PA9A
  • 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 1960 lbf
  • Static Radial Load 1260 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 83000 rpm
  • Weight 0.072 kg
Super Precision Angular Contact Ball Bearings 71905 CE/HCPA9ADGA dimension drawing
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Features

Performance Features of 71905 CE/HCPA9ADGA Bearing

71905 CE/HCPA9ADGA Bearing is designed with a 15° contact angle, ideal for handling combined radial and axial loads.
Its chrome steel rings and ceramic balls reduce friction, ensuring smooth operation at high speeds.

The phenolic cage maintains ball alignment, enhancing durability and performance.
With a maximum speed of 83,000 rpm, it excels in precision applications.

Universal matching allows flexible arrangements like back-to-back or face-to-face.
The extra light preload ensures minimal friction and optimal efficiency.

Application

Ideal for Precision: 71905 CE/HCPA9ADGA Bearing
71905 CE/HCPA9ADGA Bearing is commonly used in high-speed machine tools, where its 15° contact angle ensures accurate radial and axial load handling. The ceramic balls reduce friction, making it suitable for applications demanding smooth operation.

In robotics, 71905 CE/HCPA9ADGA Bearing supports precise movements in robotic arms and automated systems. Its universal matching design allows flexible arrangements, enhancing performance in dynamic setups.

For medical imaging devices, 71905 CE/HCPA9ADGA Bearing’s phenolic cage and chrome steel rings provide reliable performance. The extra light preload ensures minimal vibration, crucial for sensitive equipment.

Automotive applications like electric motor shafts benefit from 71905 CE/HCPA9ADGA Bearing’s high-speed capability. The lubricated design extends service life, even under continuous use.

In consumer electronics, 71905 CE/HCPA9ADGA Bearing is found in high-end printers and scanners. Its compact size and precision make it ideal for space-constrained devices.

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