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Super Precision Angular Contact Ball Bearings 71828 ACD/HCP4

Super Precision Angular Contact Ball Bearings 71828 ACD/HCP4

The 71828 ACD/HCP4 is a super precision angular contact ball bearing with a 140mm bore and 175mm outer diameter, crafted from high-quality chrome steel. Its 25° contact angle efficiently handles combined radial and thrust loads, with a dynamic radial load capacity of 9518 lbf.

The ceramic balls and phenolic cage reduce friction, allowing smooth operation at speeds up to 11000 RPM. The open design ensures easy lubrication, while the P4 tolerance class guarantees exceptional accuracy for demanding applications.

This bearing is available in matched sets for improved performance in preloaded arrangements. Ideal for high-speed machinery like spindles or precision tools where reliability and precision are crucial.

Weighing 0.71kg, it operates reliably in temperatures from -30°C to 110°C. Interchangeable with SKF bearings, it offers a practical solution for replacements or upgrades.

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Product Parameters

  • Part Number 71828 ACD/HCP4
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 140 mm
  • Bore Dia Tolerance -0.01mm to 0
  • Outer Dia 175 mm
  • Outer Dia Tolerance -0.01mm to 0
  • Width 18 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 10.319 mm
  • Ball Qty 35
  • Contact Angle 25°
  • Tolerance Class P4 (ABEC-7)
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement Available
  • Preload Available
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 9518 lbf
  • Static Radial Load 13162 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 11000 rpm
  • Weight 0.71 kg
  • Price（$） 1912.122
Super Precision Angular Contact Ball Bearings 71828 ACD/HCP4 dimension drawing
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Features

Performance Features of 71828 ACD/HCP4 Bearing

71828 ACD/HCP4 Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and ceramic balls enhance durability while reducing friction.

The phenolic cage ensures smooth operation, even at high speeds up to 11,000 rpm.
With a dynamic radial load capacity of 9518 lbf, it handles demanding conditions reliably.

71828 ACD/HCP4 Bearing operates efficiently within a temperature range of -30° to 110°C.
Its precision P4 tolerance class ensures consistent performance in high-accuracy applications.

Application

Essential Roles of 71828 ACD/HCP4 Bearing
71828 ACD/HCP4 Bearing is widely 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 aerospace applications, 71828 ACD/HCP4 Bearing handles radial and axial loads in components like landing gear systems. Its phenolic cage offers lightweight durability, which is critical in aviation environments.

For robotics, 71828 ACD/HCP4 Bearing provides smooth motion control in articulated arms and joints. The P4 tolerance class guarantees consistent performance in automated processes.

Where to Use 71828 ACD/HCP4 Bearing
71828 ACD/HCP4 Bearing is a reliable choice for medical imaging devices, where precision and stability are essential. The chrome steel rings ensure long-term reliability in demanding conditions.

In industrial pumps, 71828 ACD/HCP4 Bearing supports high-speed shafts with minimal vibration. Its lubricated design reduces maintenance needs, making it ideal for continuous operation.

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