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Super Precision Angular Contact Ball Bearings S71913 ACE/HCP4AQBCA

Super Precision Angular Contact Ball Bearings S71913 ACE/HCP4AQBCA

The S71913 ACE/HCP4AQBCA is a super precision angular contact ball bearing with a 65mm bore and 90mm outer diameter, crafted from durable chrome steel. Its 25° contact angle and ceramic balls ensure smooth operation under high speeds.

This sealed unit comes preloaded for extra light performance, handling radial loads up to 9360 lbf. It spins remarkably well at 31,000 RPM, thanks to its phenolic cage and grease lubrication.

The matched set of four bearings (QBC arrangement) offers stability for precision applications. Ideal for machine tools or high-speed spindles where accuracy is crucial.

Weighing 0.68kg, it operates in temperatures from -30°C to 110°C. Compliant with P4A tolerance class for exceptional precision.

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Product Parameters

  • Part Number S71913 ACE/HCP4AQBCA
  • 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 52 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 7.938 mm
  • Ball Qty 24
  • Contact Angle 25°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Sealed
  • Matched Arrangement 4 bearings <<>> QBC
  • Number Of Bearings In Matched Set 4
  • Universal Matching Bearing No
  • Preload Extra light / Class A
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 9360 lbf
  • Static Radial Load 10462 lbf
  • Lubrication Grease
  • Temperature Range - 30°C to 110 °C
  • Max Speed 31000 rpm
  • Weight 0.68 kg
Super Precision Angular Contact Ball Bearings S71913 ACE/HCP4AQBCA dimension drawing
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Features

Performance Features of S71913 ACE/HCP4AQBCA Bearing

S71913 ACE/HCP4AQBCA Bearing features a 25° contact angle, optimised for precision angular contact applications.
The ceramic balls and chrome steel rings enhance durability while reducing friction.

With a dynamic radial load capacity of 9360 lbf, it handles demanding conditions reliably.
Its phenolic cage ensures smooth operation and maintains ball alignment under high speeds.

The sealed design and grease lubrication minimise maintenance needs.
It operates efficiently within a temperature range of -30°C to 110°C.

The matched arrangement of four bearings provides consistent performance.
Its P4A tolerance class ensures high precision for critical applications.

Application

Industrial Uses of S71913 ACE/HCP4AQBCA Bearing
S71913 ACE/HCP4AQBCA Bearing is commonly used in high-speed machine spindles, where its ceramic balls and phenolic cage reduce friction and heat buildup. The P4A tolerance ensures precise alignment for demanding industrial applications.

Where Is S71913 ACE/HCP4AQBCA Bearing Used?
In robotics, S71913 ACE/HCP4AQBCA Bearing provides smooth motion control for articulated arms, thanks to its angular contact design. The sealed construction keeps contaminants out, extending service life in dusty environments.

Optimized for Performance: S71913 ACE/HCP4AQBCA Bearing
S71913 ACE/HCP4AQBCA Bearing excels in CNC lathes, where its extra light preload minimises vibration during high-speed cuts. The matched set of four bearings offers consistent load distribution for improved accuracy.

Automotive vs Aerospace: Applications of S71913 ACE/HCP4AQBCA Bearing
In automotive turbochargers, S71913 ACE/HCP4AQBCA Bearing handles rapid acceleration with its grease-lubricated design. For aerospace, its temperature stability suits auxiliary power units where reliability is critical.

Essential Roles of S71913 ACE/HCP4AQBCA Bearing
Medical imaging devices benefit from S71913 ACE/HCP4AQBCA Bearing’s quiet operation and minimal magnetic interference. The chrome steel rings withstand continuous use in MRI scanner rotation systems.

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