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Super Precision Angular Contact Ball Bearings 71828 CD/P4

Super Precision Angular Contact Ball Bearings 71828 CD/P4

The 71828 CD/P4 is a super precision angular contact ball bearing with a 140mm bore and 175mm outer diameter, crafted from high-quality chrome steel. Its slim 18mm width makes it suitable for compact spaces while handling radial loads up to 10102 lbf.

With a 15° contact angle and P4 tolerance class, it offers smooth operation at speeds up to 10000 RPM. The phenolic cage ensures durability and reduces friction during high-speed rotations.

This open-design bearing comes pre-lubricated and performs reliably in temperatures from -30°C to 110°C. Its precision engineering makes it interchangeable with SKF bearings for easy replacements.

Ideal for applications like machine tool spindles or high-precision equipment where accuracy and speed are crucial. Weighing 0.8kg, it balances strength and performance for demanding industrial use.

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Product Parameters

  • Part Number 71828 CD/P4
  • 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 15°
  • Tolerance Class P4 (ABEC-7)
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement No
  • Preload Available
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 10102 lbf
  • Static Radial Load 13950 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 10000 rpm
  • Weight 0.8 kg
  • Price（$） 1912.464
Super Precision Angular Contact Ball Bearings 71828 CD/P4 dimension drawing
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Features

How Is 71828 CD/P4 Bearing Engineered for Reliability?

71828 CD/P4 Bearing features a 15° contact angle, optimised for handling combined radial and axial loads.
Its chrome steel construction ensures durability and resistance to wear in high-precision applications.

The phenolic cage maintains ball alignment, reducing friction and enhancing smooth operation.
With a dynamic radial load capacity of 10102 lbf, it delivers reliable performance under stress.

Designed for speeds up to 10,000 rpm, 71828 CD/P4 Bearing balances efficiency and longevity.
Its P4 tolerance class guarantees precision, making it suitable for demanding industrial uses.

Application

Common Applications of 71828 CD/P4 Bearing
71828 CD/P4 Bearing is widely used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The open seal type allows for efficient lubrication, making it suitable for continuous operation.

In robotics, 71828 CD/P4 Bearing provides smooth motion control in articulated arms and joints, thanks to its phenolic cage reducing friction. Its P4 tolerance class ensures minimal vibration during high-speed tasks.

For aerospace applications, 71828 CD/P4 Bearing handles radial and axial loads in avionics systems, where reliability is critical. The chrome steel construction offers durability under varying temperature conditions.

Automotive enthusiasts appreciate 71828 CD/P4 Bearing in performance gearboxes, where its 15° contact angle improves load distribution. The metric sizing ensures compatibility with European and Asian car models.

Medical imaging devices benefit from 71828 CD/P4 Bearing’s precision, ensuring stable operation in MRI and CT scanners. The lubricated design reduces maintenance needs in sterile environments.

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