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Super Precision Angular Contact Ball Bearings 71917 CEGA/HCP4A

Super Precision Angular Contact Ball Bearings 71917 CEGA/HCP4A

The 71917 CEGA/HCP4A is a super precision angular contact ball bearing with an 85mm bore and 120mm outer diameter, crafted from high-quality chrome steel. It features a 15° contact angle and ceramic balls for smooth operation.

This bearing handles radial loads up to 6660 lbf and spins at speeds up to 17,000 RPM, making it suitable for high-performance applications. Its phenolic cage ensures durability and reduces friction.

With an extra-light preload (Class A), it offers precise movement and low noise. The open design allows easy lubrication, and it works in temperatures from -30°C to 110°C.

Ideal for machine tools or spindle systems, this bearing is interchangeable with SKF models. Weighing 0.42kg, it’s part of a universal matching set for flexible arrangements like back-to-back or tandem mounting.

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Product Parameters

  • Part Number 71917 CEGA/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 23
  • 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 6660 lbf
  • Static Radial Load 5130 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 17000 rpm
  • Weight 0.42 kg
Super Precision Angular Contact Ball Bearings 71917 CEGA/HCP4A dimension drawing
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Features

Performance Features of 71917 CEGA/HCP4A Bearing

71917 CEGA/HCP4A Bearing is designed with a 15° contact angle, optimising performance in angular contact applications.

The chrome steel rings and ceramic balls reduce friction, enhancing speed capabilities up to 17,000 rpm.

Its phenolic cage ensures smooth operation, even under dynamic radial loads of 6660 lbf.

With a precision tolerance class of P4A, it delivers consistent performance in demanding conditions.

Application

Key Fields for 71917 CEGA/HCP4A Bearing
71917 CEGA/HCP4A Bearing is commonly used in high-speed machine tools, where its precision and ceramic balls reduce friction for smoother operation. The open design and P4A tolerance class ensure consistent performance in demanding conditions.

Where Is 71917 CEGA/HCP4A Bearing Used?
You’ll find 71917 CEGA/HCP4A Bearing in automotive applications like electric motor systems, where its angular contact design handles combined loads effectively. The phenolic cage adds durability, making it suitable for long-term use.

Built for Heavy-Duty Use: 71917 CEGA/HCP4A Bearing
In robotics and automation, 71917 CEGA/HCP4A Bearing supports precise movements in robotic arms and CNC machinery. Its extra-light preload helps maintain accuracy even during rapid direction changes.

Medical vs Industrial: Where 71917 CEGA/HCP4A Bearing Excels
For medical imaging devices, 71917 CEGA/HCP4A Bearing’s ceramic balls and chrome steel rings provide quiet, reliable operation. In industrial settings, it’s favoured for spindle drives due to its high-speed capabilities.

Q&A

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