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Super Precision Angular Contact Ball Bearings S71917 ACDGA/HCP4A
Super Precision Angular Contact Ball Bearings S71917 ACDGA/HCP4A

Super Precision Angular Contact Ball Bearings S71917 ACDGA/HCP4A

The S71917 ACDGA/HCP4A is a super precision angular contact ball bearing with an 85mm bore and 120mm outer diameter, crafted from chrome steel for durability. It features a 25° contact angle and ceramic balls for smooth operation.

With a dynamic radial load capacity of 9810 lbf, it handles high speeds up to 28,000 RPM. The sealed design and grease lubrication make maintenance straightforward, while the phenolic cage ensures quiet performance.

This bearing is ideal for precision applications like machine tools or spindles, where accuracy is key. It operates reliably in temperatures from -30°C to 110°C.

Weighing 0.46kg, it’s part of a universal matching set, suitable for back-to-back, face-to-face, or tandem arrangements. Compliant with P4A tolerance standards for exceptional precision.

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Product Parameters

  • Part Number S71917 ACDGA/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 25°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Sealed
  • Matched Arrangement No
  • Number Of Bearings In Matched Set 4
  • 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 9810 lbf
  • Static Radial Load 10238 lbf
  • Lubrication Grease
  • Temperature Range - 30°C to 110 °C
  • Max Speed 28000 rpm
  • Weight 0.46 kg

Features

Performance Features of S71917 ACDGA/HCP4A Bearing

S71917 ACDGA/HCP4A Bearing is crafted with chrome steel rings and ceramic balls, ensuring high precision and durability.
Its 25° contact angle provides excellent angular contact load capacity, making it ideal for precision applications.

The phenolic cage maintains ball alignment, reducing friction and enhancing operational smoothness.
With a dynamic radial load of 9810 lbf, it handles demanding conditions reliably.

S71917 ACDGA/HCP4A Bearing operates at speeds up to 28,000 rpm, balancing performance and longevity.
Its sealed design and grease lubrication minimise maintenance needs, ensuring consistent operation.

The P4A tolerance class guarantees superior precision, suitable for high-accuracy machinery.
Its universal matching capability allows flexible arrangement options, including back-to-back or face-to-face setups.

Application

Industrial Uses of S71917 ACDGA/HCP4A Bearing
S71917 ACDGA/HCP4A Bearing is commonly used in high-speed machine tools, where its ceramic balls and phenolic cage reduce friction and heat buildup. The sealed design keeps contaminants out, ensuring long-lasting performance in demanding environments.

In robotics, S71917 ACDGA/HCP4A Bearing provides smooth motion control for precision arms and joints, thanks to its angular contact design. The extra-light preload makes it ideal for applications requiring minimal resistance and high accuracy.

For medical imaging devices, S71917 ACDGA/HCP4A Bearing’s P4A tolerance class ensures reliable operation in sensitive equipment. Its grease lubrication and wide temperature range make it suitable for continuous use in clinical settings.

Automotive vs Aerospace: Applications of S71917 ACDGA/HCP4A Bearing
In automotive systems, S71917 ACDGA/HCP4A Bearing supports high-performance gearboxes, where its ceramic balls enhance durability. The metric sizing ensures compatibility with a range of European and Asian models.

Aerospace applications benefit from S71917 ACDGA/HCP4A Bearing’s lightweight construction and high-speed capabilities. Its phenolic cage and chrome steel rings provide the necessary strength for flight-critical components.

Perfect Fit for Automation: S71917 ACDGA/HCP4A Bearing
S71917 ACDGA/HCP4A Bearing is a reliable choice for automated production lines, where its sealed design prevents dust ingress. The angular contact configuration handles combined loads efficiently, ensuring smooth operation.

In 3D printers, S71917 ACDGA/HCP4A Bearing’s precision and low friction contribute to accurate layer deposition. The ceramic balls and phenolic cage reduce wear, extending the bearing’s lifespan in high-use scenarios.

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