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Super Precision Angular Contact Ball Bearings 71917 CDGA/HCP4A

Super Precision Angular Contact Ball Bearings 71917 CDGA/HCP4A

The 71917 CDGA/HCP4A is a super precision angular contact ball bearing measuring 85mm by 120mm by 18mm, crafted from chrome steel with ceramic balls for enhanced performance. It handles radial loads up to 10395 lbf and reaches speeds of 17000 RPM, making it suitable for high-speed applications.

Its 15° contact angle and extra-light preload ensure smooth operation with minimal friction. The phenolic cage adds durability while keeping the weight low at just 0.45kg.

This bearing operates in temperatures from -30°C to 110°C and comes pre-lubricated for easy use. It’s interchangeable with SKF bearings, offering flexibility for replacements.

Ideal for precision machinery like spindles or CNC equipment, where accuracy and speed are crucial. The P4A tolerance class guarantees reliable performance in demanding conditions.

It can be paired in back-to-back, face-to-face, or tandem arrangements for versatile setups. Compliant with universal matching standards, it’s a practical choice for complex assemblies.

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Product Parameters

  • Part Number 71917 CDGA/HCP4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 85 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 120 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 18 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 11.112 mm
  • Ball Qty 25
  • Contact Angle 15°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement No
  • Number Of Bearings In Matched Set 3
  • 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 10395 lbf
  • Static Radial Load 10800 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 17000 rpm
  • Weight 0.45 kg
Super Precision Angular Contact Ball Bearings 71917 CDGA/HCP4A dimension drawing
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Features

Performance Features of 71917 CDGA/HCP4A Bearing

71917 CDGA/HCP4A Bearing is designed with a 15° contact angle, optimising load distribution for precision applications.
The ceramic balls reduce friction, enhancing speed capabilities up to 17,000 rpm.

Its chrome steel rings and phenolic cage provide durability while maintaining lightweight performance.
With a dynamic radial load capacity of 10,395 lbf, it handles demanding conditions reliably.

The extra-light preload ensures smooth operation in high-precision setups.
Its universal matching capability allows flexible arrangement in back-to-back, face-to-face, or tandem configurations.

Application

Key Fields for 71917 CDGA/HCP4A Bearing
71917 CDGA/HCP4A Bearing is widely used in high-speed machine tools, where its ceramic balls and phenolic cage reduce friction and heat buildup. The P4A tolerance ensures precise alignment, crucial for maintaining accuracy in CNC operations.

In aerospace applications, 71917 CDGA/HCP4A Bearing handles angular loads in components like turbine shafts, thanks to its 15° contact angle. Its lightweight design and high-speed capability make it ideal for reducing fuel consumption.

For robotics, 71917 CDGA/HCP4A Bearing offers smooth motion in articulated arms, where low vibration is essential. The extra light preload allows for sensitive adjustments without compromising stability.

Medical imaging devices benefit from 71917 CDGA/HCP4A Bearing’s quiet operation and minimal maintenance needs. The chrome steel rings provide long-term reliability in demanding hospital environments.

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