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Super Precision Angular Contact Ball Bearings 71917 ACD/HCP4ADGA
Super Precision Angular Contact Ball Bearings 71917 ACD/HCP4ADGA

Super Precision Angular Contact Ball Bearings 71917 ACD/HCP4ADGA

The 71917 ACD/HCP4ADGA is a super precision angular contact ball bearing with an 85mm bore and 120mm outer diameter, designed for high-speed applications. It features a 25° contact angle and is made from durable chrome steel with ceramic balls for smooth operation.

This bearing handles radial loads up to 16088 lbf and can reach speeds of 28000 RPM, making it suitable for demanding tasks. Its phenolic cage ensures stability, while the open design allows for easy lubrication.

The universal matching arrangement lets you set it up back-to-back, face-to-face, or tandem, offering flexibility in installation. It operates efficiently in temperatures from -30°C to 110°C.

Ideal for precision machinery like spindles or CNC equipment, this bearing comes in a matched set of two. Weighing 0.9kg, it balances lightweight design with robust performance. Compliant with P4A tolerance standards for accuracy.

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Product Parameters

  • Part Number 71917 ACD/HCP4ADGA
  • 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 36 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 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 16088 lbf
  • Static Radial Load 20588 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 28000 rpm
  • Weight 0.9 kg

Features

Performance Features of 71917 ACD/HCP4ADGA Bearing

71917 ACD/HCP4ADGA Bearing is crafted with chrome steel rings and ceramic balls, ensuring high precision and durability.
Its 25° contact angle provides excellent load distribution, ideal for angular contact applications.

The phenolic cage maintains ball alignment, reducing friction and enhancing performance.
With a dynamic radial load capacity of 16088 lbf, it handles demanding conditions effortlessly.

71917 ACD/HCP4ADGA Bearing operates smoothly at speeds up to 28,000 rpm, thanks to its superior design.
The extra light preload ensures minimal resistance, making it perfect for precision tasks.

Its universal matching feature allows flexible arrangement options, including back-to-back and face-to-face setups.
The P4A tolerance class guarantees consistent accuracy in high-performance applications.

Application

Common Applications of 71917 ACD/HCP4ADGA Bearing
71917 ACD/HCP4ADGA Bearing is widely used in high-speed machine tools, where its precision and ceramic balls ensure minimal friction and heat generation. The universal matching design allows flexible arrangements, making it suitable for complex spindle configurations.

In robotics, 71917 ACD/HCP4ADGA Bearing supports articulated arms that require smooth, accurate movements. Its phenolic cage and chrome steel rings provide durability even in continuous operation.

For aerospace components, 71917 ACD/HCP4ADGA Bearing handles angular loads in systems like gyroscopes. The P4A tolerance class guarantees consistent performance under demanding conditions.

Where Is 71917 ACD/HCP4ADGA Bearing Used?
You’ll often find 71917 ACD/HCP4ADGA Bearing in CNC machining centres, where its extra-light preload reduces vibration during high-speed cutting. The open seal design simplifies relubrication for extended service life.

In electric vehicle motors, 71917 ACD/HCP4ADGA Bearing manages radial and axial loads efficiently. The ceramic balls help maintain performance at higher rotational speeds compared to standard steel bearings.

Built for Heavy-Duty Use: 71917 ACD/HCP4ADGA Bearing
71917 ACD/HCP4ADGA Bearing excels in industrial pumps, handling both radial and thrust loads with its 25° contact angle. The matched set option ensures balanced load distribution in paired installations.

For precision measuring instruments, 71917 ACD/HCP4ADGA Bearing’s P4A tolerance provides the accuracy needed for reliable readings. Its temperature stability makes it suitable for lab environments with strict thermal requirements.

Automotive vs Aerospace: Applications of 71917 ACD/HCP4ADGA Bearing
In automotive transmissions, 71917 ACD/HCP4ADGA Bearing supports gear shafts with its high dynamic load capacity. The ceramic balls reduce wear, extending maintenance intervals.

For aircraft landing gear systems, 71917 ACD/HCP4ADGA Bearing’s lightweight construction and precision tolerances are critical. Its universal matching capability simplifies installation in complex assemblies.

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