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Super Precision Angular Contact Ball Bearings S71915 ACE/HCP4ATT

Super Precision Angular Contact Ball Bearings S71915 ACE/HCP4ATT

The S71915 ACE/HCP4ATT is a super precision angular contact ball bearing with a 75mm bore and 105mm outer diameter, crafted from durable chrome steel and ceramic balls. It handles radial loads up to 10395 lbf and spins smoothly at speeds up to 28000 RPM.

Its sealed design keeps grease in and contaminants out, while the phenolic cage ensures quiet, long-lasting performance. The 25° contact angle and preload option provide excellent stability for high-precision applications.

This bearing comes in a matched set of three, ideal for applications requiring tight tolerances, such as machine tool spindles or high-speed motors. It operates reliably in temperatures from -30°C to 110°C.

Weighing 0.88kg, it’s a robust choice for demanding environments. Compliant with P4A tolerance class, it’s interchangeable with SKF bearings for easy replacements.

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Product Parameters

  • Part Number S71915 ACE/HCP4ATT
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 75 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 105 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 48 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 9.525 mm
  • Ball Qty 23
  • Contact Angle 25°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Sealed
  • Matched Arrangement 3 bearings <<< TT
  • Number Of Bearings In Matched Set 3
  • Universal Matching Bearing No
  • Preload Available
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 10395 lbf
  • Static Radial Load 10800 lbf
  • Lubrication Grease
  • Temperature Range - 30°C to 110 °C
  • Max Speed 28000 rpm
  • Weight 0.88 kg
Super Precision Angular Contact Ball Bearings S71915 ACE/HCP4ATT dimension drawing
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Features

Why Choose S71915 ACE/HCP4ATT Bearing for Precision Tasks?

S71915 ACE/HCP4ATT Bearing features a 25° contact angle, ideal for handling combined radial and axial loads with high precision.
Its ceramic balls and chrome steel rings ensure smooth operation even at speeds up to 28,000 rpm.

The phenolic cage maintains ball alignment, reducing friction and wear.
With a P4A tolerance class, it delivers consistent performance in demanding applications.

S71915 ACE/HCP4ATT Bearing comes preloaded and matched in sets of three for enhanced stability.
Its sealed design and grease lubrication minimise maintenance needs while ensuring long service life.

The bearing operates reliably in temperatures from -30°C to 110°C.
Its high dynamic radial load capacity of 10,395 lbf makes it suitable for heavy-duty precision tasks.

Application

Industrial Uses of S71915 ACE/HCP4ATT Bearing
S71915 ACE/HCP4ATT Bearing is commonly used in high-speed machine spindles, where its ceramic balls and phenolic cage reduce friction and heat buildup. The sealed design keeps contaminants out, ensuring long service life in demanding environments.

How Does S71915 ACE/HCP4ATT Bearing Improve Performance?
In precision grinding machines, S71915 ACE/HCP4ATT Bearing’s P4A tolerance class delivers exceptional accuracy for fine surface finishes. The 25° contact angle also helps handle combined radial and axial loads efficiently.

Built for Heavy-Duty Use: S71915 ACE/HCP4ATT Bearing
S71915 ACE/HCP4ATT Bearing’s matched set of three bearings provides stability in applications like turbine shafts, where alignment is critical. Its grease lubrication simplifies maintenance while supporting speeds up to 28,000 rpm.

Automotive vs Aerospace: Applications of S71915 ACE/HCP4ATT Bearing
In automotive testing rigs, S71915 ACE/HCP4ATT Bearing’s ceramic balls withstand high RPMs without degrading. For aerospace, its temperature range (-30°C to 110°C) suits avionics cooling systems where reliability is non-negotiable.

Where Is S71915 ACE/HCP4ATT Bearing Used?
You’ll find S71915 ACE/HCP4ATT Bearing in dental drill handpieces, where its compact size and smooth operation are essential. The chrome steel rings add durability for repeated sterilisation cycles.

Q&A

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