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Super Precision Angular Contact Ball Bearings S71926 CD/HCP4A

Super Precision Angular Contact Ball Bearings S71926 CD/HCP4A

The S71926 CD/HCP4A is a super precision angular contact ball bearing with a 130mm bore and 180mm outer diameter, crafted from durable chrome steel and ceramic balls. It handles radial loads up to 20768 lbf and operates smoothly at speeds up to 8500 RPM.
Its sealed design keeps lubrication intact, while the phenolic cage ensures quiet, long-lasting performance. The bearing works reliably in temperatures from -30°C to 110°C.
With a 15° contact angle and P4 tolerance class, it offers high precision for demanding applications. Ideal for machine tools or high-speed spindles where accuracy is crucial.
Weighing 1.31kg, it’s robust yet manageable for its size. This model is interchangeable with SKF bearings, making it a practical choice for replacements or upgrades.

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Product Parameters

  • Part Number S71926 CD/HCP4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 130 mm
  • Bore Dia Tolerance -0.01mm to 0
  • Outer Dia 180 mm
  • Outer Dia Tolerance -0.01mm to 0
  • Width 24 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 15.875 mm
  • Ball Qty 27
  • Contact Angle 15°
  • 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 20768 lbf
  • Static Radial Load 24300 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 8500 rpm
  • Weight 1.31 kg
  • Price（$） 1931.751
Super Precision Angular Contact Ball Bearings S71926 CD/HCP4A dimension drawing
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Features

Why Choose S71926 CD/HCP4A Bearing for Precision Tasks?

S71926 CD/HCP4A Bearing features a 15° contact angle, optimised for high-precision angular contact applications.
Its chrome steel rings and ceramic balls reduce friction, ensuring smooth operation even at high speeds.

With a dynamic radial load capacity of 20768 lbf, S71926 CD/HCP4A Bearing handles demanding tasks reliably.
The phenolic cage maintains ball alignment, enhancing durability and performance.

S71926 CD/HCP4A Bearing operates efficiently at speeds up to 8,500 rpm, suitable for precision machinery.
Its sealed design and lubricated construction minimise maintenance needs, saving time and costs.

The P4 tolerance class ensures exceptional accuracy, making S71926 CD/HCP4A Bearing ideal for critical applications.
Its temperature range of -30° to 110°C allows consistent performance in varied environments.

Application

Common Applications of S71926 CD/HCP4A Bearing
S71926 CD/HCP4A Bearing is widely used in high-precision machine tools, where its 15° contact angle ensures accurate radial and axial load handling. The sealed design keeps contaminants out, making it suitable for demanding industrial environments.

In robotics, S71926 CD/HCP4A Bearing provides smooth motion control in articulated arms and joints, thanks to its ceramic balls and phenolic cage. Its P4 tolerance class guarantees consistent performance in repetitive tasks.

For aerospace applications, S71926 CD/HCP4A Bearing’s lightweight yet durable construction makes it ideal for flight control systems. The matched arrangement option further enhances stability in critical operations.

Medical imaging devices benefit from S71926 CD/HCP4A Bearing’s low friction and high-speed capabilities. The lubricated design ensures quiet operation, essential for sensitive diagnostic equipment.

In automotive testing rigs, S71926 CD/HCP4A Bearing handles high rotational speeds with minimal heat generation. Its chrome steel rings and ceramic balls offer a balanced mix of strength and precision.

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