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Super Precision Angular Contact Ball Bearings 71917 ACB/HCP4A

Super Precision Angular Contact Ball Bearings 71917 ACB/HCP4A

The 71917 ACB/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 25° contact angle and ceramic balls for smooth operation.

This bearing handles radial loads up to 3442 lbf and can reach speeds of 24,000 RPM, making it suitable for high-performance applications. Its phenolic cage ensures durability and reduced friction.

The open design allows for easy lubrication, while the P4 tolerance class guarantees precise performance. Ideal for machine tools or spindle drives where accuracy is crucial.

Weighing 0.54kg, it’s lightweight yet robust. Compatible with SKF bearings for easy replacement. Works well in temperatures from -30°C to 110°C.

Matched arrangements and preload options are available for tailored solutions. Perfect for demanding industrial or precision engineering tasks.

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Product Parameters

  • Part Number 71917 ACB/HCP4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 85 mm
  • Bore Dia Tolerance -0.008mm to 0
  • Outer Dia 120 mm
  • Outer Dia Tolerance -0.008mm to 0
  • Width 18 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 6.747 mm
  • Ball Qty 37
  • Contact Angle 25°
  • Tolerance Class P4 (ABEC-7)
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement Available
  • Preload Available
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 3442 lbf
  • Static Radial Load 3442 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 24000 rpm
  • Weight 0.54 kg
  • Price（$） 911.421
Super Precision Angular Contact Ball Bearings 71917 ACB/HCP4A dimension drawing
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Features

Performance Features of 71917 ACB/HCP4A Bearing

71917 ACB/HCP4A Bearing is designed with a 25° contact angle, ideal for handling combined radial and axial loads.
Its chrome steel rings and ceramic balls ensure smooth operation and reduced friction.

The phenolic cage maintains ball alignment, enhancing durability and performance.
With a maximum speed of 24,000 rpm, it excels in high-speed applications.

71917 ACB/HCP4A Bearing operates efficiently within a temperature range of -30° to 110°C.
Its P4 tolerance class guarantees precision and reliability in demanding conditions.

The open seal design allows for easy lubrication, ensuring long service life.
Dynamic and static radial loads of 3442 lbf make it suitable for heavy-duty tasks.

Application

Essential Roles of 71917 ACB/HCP4A Bearing
71917 ACB/HCP4A Bearing is widely used in high-speed machine tools, where its 25° contact angle ensures precise radial and axial load handling. The ceramic balls reduce friction, making it suitable for applications demanding smooth rotation.

In robotics, 71917 ACB/HCP4A Bearing supports articulated arms, providing stability and accuracy in repetitive movements. Its phenolic cage offers lightweight durability, ideal for dynamic robotic systems.

For aerospace components, 71917 ACB/HCP4A Bearing’s P4 tolerance class guarantees reliability in navigation systems and actuators. The open design allows for easy lubrication, extending service life in demanding conditions.

Automotive enthusiasts appreciate 71917 ACB/HCP4A Bearing in performance gearboxes, where its high-speed capability enhances shifting precision. The matched arrangement option further optimises load distribution for racing applications.

In medical imaging devices, 71917 ACB/HCP4A Bearing’s low vibration characteristics ensure clear scans. The chrome steel rings provide long-term wear resistance, crucial for equipment with continuous operation.

Q&A

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