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Super Precision Angular Contact Ball Bearings S71919 ACE/HCP4A

Super Precision Angular Contact Ball Bearings S71919 ACE/HCP4A

The S71919 ACE/HCP4A is a super precision angular contact ball bearing with a 95mm bore and 130mm outer diameter, crafted from high-quality chrome steel. It features a 25° contact angle and comes sealed for protection.

This bearing handles radial loads up to 6548 lbf and can reach speeds of 15000 RPM, thanks to its ceramic balls and phenolic cage. Its P4 tolerance class ensures exceptional accuracy for demanding applications.

The sealed design keeps lubrication in and contaminants out, making it low-maintenance. It operates smoothly in temperatures from -30°C to 110°C.

Ideal for high-precision machinery like CNC spindles or medical equipment, where accuracy and reliability are crucial. Weighing 0.49kg, it offers a good balance of strength and precision.

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Product Parameters

  • Part Number S71919 ACE/HCP4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 95 mm
  • Bore Dia Tolerance -0.008mm to 0
  • Outer Dia 130 mm
  • Outer Dia Tolerance -0.009mm to 0
  • Width 18 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 11.112 mm
  • Ball Qty 25
  • 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 Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 6548 lbf
  • Static Radial Load 5400 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 15000 rpm
  • Weight 0.49 kg
  • Price（$） 137.151
Super Precision Angular Contact Ball Bearings S71919 ACE/HCP4A dimension drawing
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Features

Performance Features of S71919 ACE/HCP4A Bearing

S71919 ACE/HCP4A Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.
The ceramic balls and chrome steel rings enhance durability while reducing friction for smoother operation.

With a dynamic radial load capacity of 6548 lbf, S71919 ACE/HCP4A Bearing handles high-performance demands effortlessly.
Its P4 tolerance class ensures precision, making it suitable for applications requiring tight tolerances.

The phenolic cage maintains ball alignment, extending the bearing’s service life under heavy loads.
Lubrication is pre-applied, reducing maintenance needs and ensuring consistent performance.

S71919 ACE/HCP4A Bearing operates efficiently in temperatures ranging from -30° to 110°C.
Its sealed design protects against contaminants, making it reliable in various environments.

Application

Key Fields for S71919 ACE/HCP4A Bearing
S71919 ACE/HCP4A Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The ceramic balls reduce friction, making it suitable for high-speed operations.

In robotics, S71919 ACE/HCP4A Bearing provides smooth movement in articulated arms, thanks to its phenolic cage and sealed design. This helps maintain performance in environments with dust or debris.

For medical imaging devices, S71919 ACE/HCP4A Bearing’s P4 tolerance class guarantees the precision needed for clear scans. The chrome steel rings add durability, ensuring long-term reliability.

Automotive applications like electric vehicle motors benefit from S71919 ACE/HCP4A Bearing’s ability to handle both radial and axial loads. Its lubricated design also extends service life in demanding conditions.

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