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Super Precision Angular Contact Ball Bearings S71919 ACB/HCP4A

Super Precision Angular Contact Ball Bearings S71919 ACB/HCP4A

The S71919 ACB/HCP4A is a super precision angular contact ball bearing with a 95mm bore and 130mm outer diameter, crafted from durable chrome steel and ceramic balls. It handles radial loads up to 3870 lbf and reaches speeds of 14,000 RPM, making it suitable for high-performance applications.

Its sealed design keeps lubrication in and contaminants out, while the phenolic cage ensures smooth operation. The 25° contact angle and P4 tolerance class provide excellent accuracy for demanding setups.

This bearing is interchangeable with SKF models and comes preloaded for easy installation. Ideal for precision machinery like CNC spindles or high-speed motors where reliability is key.

Weighing 0.61kg, it operates smoothly in temperatures from -30°C to 110°C. Matched sets are available for applications requiring paired bearings.

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Product Parameters

  • Part Number S71919 ACB/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 7.144 mm
  • Ball Qty 38
  • 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 3870 lbf
  • Static Radial Load 3960 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 14000 rpm
  • Weight 0.61 kg
  • Price（$） 137.592
Super Precision Angular Contact Ball Bearings S71919 ACB/HCP4A dimension drawing
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Features

Performance Features of S71919 ACB/HCP4A Bearing

S71919 ACB/HCP4A Bearing features a 25° contact angle, optimised for precision angular contact applications.
The chrome steel rings and ceramic balls enhance durability while reducing friction for smoother operation.

With a dynamic radial load capacity of 3870 lbf, S71919 ACB/HCP4A Bearing handles demanding conditions reliably.
Its phenolic cage ensures stable performance at high speeds, up to 14,000 rpm.

S71919 ACB/HCP4A Bearing operates efficiently within a temperature range of -30° to 110°C.
The sealed design and preload availability make it suitable for matched arrangements in precision setups.

Application

Key Fields for S71919 ACB/HCP4A Bearing
S71919 ACB/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 ACB/HCP4A Bearing provides stability in articulated arms, thanks to its phenolic cage and sealed design. This helps maintain performance even in dusty or humid environments.

For aerospace applications, S71919 ACB/HCP4A Bearing’s P4 tolerance class ensures reliability in navigation systems and flight controls. Its lightweight construction also contributes to fuel efficiency.

Medical imaging devices benefit from S71919 ACB/HCP4A Bearing’s smooth operation, which minimises vibration during scans. The lubricated design ensures long service life with minimal maintenance.

In electric vehicles, S71919 ACB/HCP4A Bearing supports motor shafts, handling both radial and axial loads efficiently. The sealed design protects against contaminants, extending component life.

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