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Super Precision Angular Contact Ball Bearings S71917 ACE/P4A

Super Precision Angular Contact Ball Bearings S71917 ACE/P4A

The S71917 ACE/P4A is a super precision angular contact ball bearing with an 85mm bore and 120mm outer diameter, crafted from durable chrome steel. It handles radial loads up to 6322 lbf and spins smoothly at speeds up to 13,700 RPM.

Its sealed design keeps lubrication in and contaminants out, while the phenolic cage ensures quiet operation. The 25° contact angle provides excellent stability for angular loads.

This bearing is available with preload and matched arrangements, making it versatile for high-precision setups. Ideal for applications like machine tool spindles or high-speed robotics.

Weighing 0.52kg, it’s lightweight yet robust. Compliant with P4 tolerance class (ABEC-7) for exceptional accuracy. Works well in temperatures from -30°C to 110°C.

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Product Parameters

  • Part Number S71917 ACE/P4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 85 mm
  • Bore Dia Tolerance -0.008mm to 0
  • Outer Dia 120 mm
  • Outer Dia Tolerance -0.008mm to 0
  • Width 18 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 11.112 mm
  • Ball Qty 23
  • Contact Angle 25°
  • Tolerance Class P4 (ABEC-7)
  • System of Measurement Metric
  • Seal Type Sealed
  • Matched Arrangement Available
  • Preload Available
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 6322 lbf
  • Static Radial Load 4860 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 13700 rpm
  • Weight 0.52 kg
  • Price（$） 193.122
Super Precision Angular Contact Ball Bearings S71917 ACE/P4A dimension drawing
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Features

Performance Features of S71917 ACE/P4A Bearing

S71917 ACE/P4A Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.

Its chrome steel rings and balls ensure durability, while the phenolic cage reduces friction and noise.

With a dynamic radial load capacity of 6322 lbf, it handles demanding conditions reliably.

The sealed design and lubrication enhance performance, even at high speeds up to 13,700 rpm.

Application

Key Fields for S71917 ACE/P4A Bearing
S71917 ACE/P4A Bearing is commonly used in high-precision machine tools, where its 25° contact angle ensures accurate radial and axial load handling. The sealed design keeps contaminants out, making it reliable for long-term use in demanding environments.

In robotics, S71917 ACE/P4A Bearing supports smooth movement in articulated arms and joints, thanks to its phenolic cage and chrome steel construction. Its P4 tolerance class guarantees consistent performance in automated systems.

For medical imaging devices, S71917 ACE/P4A Bearing’s low friction and high-speed capability (up to 13,700 rpm) are ideal. The lubricated design ensures quiet operation, which is essential in sensitive diagnostic equipment.

In aerospace applications, S71917 ACE/P4A Bearing’s matched arrangement and preload options provide stability under varying loads. Its lightweight phenolic cage helps reduce overall component weight without sacrificing durability.

Consumer electronics like high-end printers benefit from S71917 ACE/P4A Bearing’s precision and smooth rotation. The sealed construction also protects against dust, extending the lifespan of delicate mechanisms.

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