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Super Precision Angular Contact Ball Bearings S7021 CD/HCP4A

Super Precision Angular Contact Ball Bearings S7021 CD/HCP4A

The S7021 CD/HCP4A is a super precision angular contact ball bearing with a 105mm bore and 160mm outer diameter, crafted from high-quality chrome steel. It features a 15° contact angle and comes pre-lubricated for smooth operation.

With a dynamic radial load capacity of 21510 lbf, it handles high-speed applications up to 10000 RPM. The ceramic balls and phenolic cage reduce friction, enhancing durability and performance.

Its sealed design keeps contaminants out, making maintenance easier. The bearing operates efficiently in temperatures from -30°C to 110°C, suitable for demanding environments.

Ideal for precision machinery like CNC spindles or high-speed motors, this bearing meets P4 tolerance standards for exceptional accuracy. Weighing 1.33kg, it offers a robust yet lightweight solution.

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Product Parameters

  • Part Number S7021 CD/HCP4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 105 mm
  • Bore Dia Tolerance -0.008mm to 0
  • Outer Dia 160 mm
  • Outer Dia Tolerance -0.01mm to 0
  • Width 26 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 17.462 mm
  • Ball Qty 21
  • Contact Angle 15°
  • Tolerance Class P4 (ABEC-7)
  • System of Measurement Metric
  • Seal Type Sealed
  • Matched Arrangement No
  • Preload Available
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 21510 lbf
  • Static Radial Load 21712 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 10000 rpm
  • Weight 1.33 kg
  • Price（$） 144.729
Super Precision Angular Contact Ball Bearings S7021 CD/HCP4A dimension drawing
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Features

Performance Features of S7021 CD/HCP4A Bearing

S7021 CD/HCP4A Bearing features a 15° contact angle, optimised for handling combined radial and axial loads.
Its chrome steel rings and ceramic balls reduce friction, enhancing precision in high-speed applications.

The phenolic cage ensures smooth operation, even at speeds up to 10,000 rpm.
With a dynamic radial load capacity of 21510 lbf, it delivers reliable performance under demanding conditions.

S7021 CD/HCP4A Bearing operates efficiently within a temperature range of -30° to 110°C.
Its sealed design and preload availability contribute to long service life with minimal maintenance.

Application

Essential Roles of S7021 CD/HCP4A Bearing
S7021 CD/HCP4A 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.

Where Is S7021 CD/HCP4A Bearing Used?
In robotics, S7021 CD/HCP4A Bearing provides smooth motion control for articulated arms and joints. Its phenolic cage offers stability under varying loads, ideal for automated assembly lines.

Built for Heavy-Duty Use: S7021 CD/HCP4A Bearing
This bearing excels in industrial pumps, handling both radial and axial loads with ease. The sealed design protects against contaminants, extending service life in harsh environments.

Medical vs Industrial: Where S7021 CD/HCP4A Bearing Excels
S7021 CD/HCP4A Bearing is trusted in medical imaging devices for its quiet operation and precision. In industrial settings, it supports heavy machinery with reliable performance and minimal maintenance.

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