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Super Precision Angular Contact Ball Bearings 71917 ACD/HCP4ATBTC
Super Precision Angular Contact Ball Bearings 71917 ACD/HCP4ATBTC

Super Precision Angular Contact Ball Bearings 71917 ACD/HCP4ATBTC

The 71917 ACD/HCP4ATBTC is a super precision angular contact ball bearing with an 85mm bore and 120mm outer diameter, measuring 54mm in width. Made from chrome steel with ceramic balls, it offers high performance for demanding applications.

It handles radial loads up to 21060 lbf and can reach speeds of 28000 RPM, making it suitable for high-speed machinery. The phenolic cage ensures smooth operation and durability.

This bearing comes in a matched set of three, arranged in a TBT configuration, providing stability under moderate preload. Its open design allows for easy lubrication and maintenance.

Ideal for precision equipment like machine tools or spindles, it operates efficiently in temperatures from -30°C to 110°C. Weighing 1.35kg, it’s a robust choice for industrial use.

Compatible with SKF bearings, it meets P4A tolerance standards for exceptional accuracy. The 25 ceramic balls reduce friction, enhancing performance in high-speed applications.

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Product Parameters

  • Part Number 71917 ACD/HCP4ATBTC
  • 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 54 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 11.112 mm
  • Ball Qty 25
  • Contact Angle 25°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement 3 bearings <>> TBT
  • Number Of Bearings In Matched Set 3
  • Universal Matching Bearing No
  • Preload Moderate / Class C
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 21060 lbf
  • Static Radial Load 30825 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 28000 rpm
  • Weight 1.35 kg

Features

Performance Features of 71917 ACD/HCP4ATBTC Bearing

71917 ACD/HCP4ATBTC Bearing is designed with a 25° contact angle, optimising load distribution for precision applications.
The ceramic balls and chrome steel rings enhance durability while reducing friction.

With a dynamic radial load capacity of 21060 lbf, it handles demanding conditions effortlessly.
Its phenolic cage ensures smooth operation even at high speeds up to 28,000 rpm.

The matched arrangement of three bearings provides stability in angular contact scenarios.
Moderate preload (Class C) further enhances performance and longevity.

Operating between -30°C to 110°C, 71917 ACD/HCP4ATBTC Bearing suits various industrial environments.
Its precision P4A tolerance class guarantees consistent, reliable performance.

Application

Key Fields for 71917 ACD/HCP4ATBTC Bearing
71917 ACD/HCP4ATBTC Bearing is widely used in high-speed machine tools, where its ceramic balls and phenolic cage reduce friction and heat buildup. The moderate preload ensures stable performance during precision machining operations.

In robotics, 71917 ACD/HCP4ATBTC Bearing supports articulated arms that require smooth, accurate movement. Its angular contact design handles combined radial and axial loads efficiently, making it ideal for automated assembly lines.

For aerospace applications, 71917 ACD/HCP4ATBTC Bearing’s P4A tolerance class meets strict precision requirements in components like gyroscopes. The chrome steel rings and ceramic balls provide durability in demanding flight conditions.

Medical imaging systems benefit from 71917 ACD/HCP4ATBTC Bearing’s low vibration and high-speed capabilities. The lubricated design ensures quiet operation, crucial for sensitive diagnostic equipment.

In electric vehicle motors, 71917 ACD/HCP4ATBTC Bearing’s matched set arrangement improves load distribution. The metric dimensions make it compatible with various European and Asian motor designs.

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