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Super Precision Angular Contact Ball Bearings S71913 ACD/HCP4ADBC

Super Precision Angular Contact Ball Bearings S71913 ACD/HCP4ADBC

The S71913 ACD/HCP4ADBC is a super precision angular contact ball bearing with a 65mm bore and 90mm outer diameter, crafted from durable chrome steel. It features a 25° contact angle and comes in a matched pair for balanced performance.

This bearing handles radial loads up to 7178 lbf and reaches speeds of 31,000 RPM, thanks to its ceramic balls and phenolic cage. The sealed design keeps grease in and contaminants out, ensuring smooth operation.

Its moderate preload (Class C) and P4A tolerance make it ideal for high-precision applications like machine tool spindles or robotics. The matched pair arrangement (DB) provides stability under angular loads.

Weighing 0.35kg, it operates in temperatures from -30°C to 110°C. Interchangeable with SKF bearings, it’s a reliable choice for demanding industrial settings.

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Product Parameters

  • Part Number S71913 ACD/HCP4ADBC
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 65 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 90 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 26 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 7.938 mm
  • Ball Qty 26
  • Contact Angle 25°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Sealed
  • Matched Arrangement 2 bearings <> DB
  • Number Of Bearings In Matched Set 2
  • 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 7178 lbf
  • Static Radial Load 7200 lbf
  • Lubrication Grease
  • Temperature Range - 30°C to 110 °C
  • Max Speed 31000 rpm
  • Weight 0.35 kg
Super Precision Angular Contact Ball Bearings S71913 ACD/HCP4ADBC dimension drawing
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Features

Performance Features of S71913 ACD/HCP4ADBC Bearing

S71913 ACD/HCP4ADBC Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and ceramic balls enhance durability and reduce friction.

The phenolic cage ensures smooth operation, even at high speeds up to 31,000 rpm.
With a dynamic radial load capacity of 7178 lbf, it handles demanding conditions reliably.

S71913 ACD/HCP4ADBC Bearing’s sealed design and grease lubrication minimise maintenance needs.
Its matched arrangement of two bearings provides stability and precision in operation.

The P4A tolerance class guarantees high accuracy, making it suitable for precision tasks.
Its compact size (65 mm×90 mm×26 mm) allows for efficient use in space-constrained applications.

Application

Industrial Uses of S71913 ACD/HCP4ADBC Bearing
S71913 ACD/HCP4ADBC Bearing is commonly used in high-speed machine tools, where its precision and moderate preload ensure accurate performance. The ceramic balls reduce friction, making it ideal for applications requiring smooth operation.

What Makes S71913 ACD/HCP4ADBC Bearing a Preferred Choice?
In robotics, S71913 ACD/HCP4ADBC Bearing excels in articulated arms due to its angular contact design and sealed construction. The phenolic cage adds durability, even in demanding automated environments.

Optimized for Performance: S71913 ACD/HCP4ADBC Bearing
For medical imaging devices, S71913 ACD/HCP4ADBC Bearing’s P4A tolerance class guarantees consistent accuracy. Its grease lubrication ensures quiet operation, crucial for sensitive equipment.

Automotive vs Aerospace: Applications of S71913 ACD/HCP4ADBC Bearing
In automotive systems, S71913 ACD/HCP4ADBC Bearing supports high-speed spindles, while in aerospace, its ceramic balls handle extreme conditions. The matched arrangement enhances stability in both fields.

Where Is S71913 ACD/HCP4ADBC Bearing Used?
You’ll find S71913 ACD/HCP4ADBC Bearing in 3D printers, where its precision and speed capabilities improve print quality. The chrome steel rings provide long-lasting performance for continuous use.

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