+86 15806631151 [email protected]
TFL BEARINGS
REQUEST A QUOTE
Super Precision Angular Contact Ball Bearings 7221 CD/HCP4A

Super Precision Angular Contact Ball Bearings 7221 CD/HCP4A

The 7221 CD/HCP4A is a super precision angular contact ball bearing with a 105mm bore and 190mm outer diameter, crafted from high-quality chrome steel. It features a 15° contact angle and ceramic balls for smooth operation.

This bearing handles radial loads up to 38700 lbf and reaches speeds of 14000 RPM, making it suitable for high-performance applications. Its phenolic cage ensures durability while maintaining low friction.

The open design allows for easy lubrication, and it operates efficiently in temperatures from -30°C to 110°C. With a P4 tolerance class, it offers exceptional precision for demanding setups.

Ideal for machine tools or precision equipment where accuracy and speed are crucial. Weighing 3.14kg, it’s robust yet manageable for its size. Compatible with SKF bearings for easy replacement.

Get A Free Quote
    Description Features Application Q&A Featured Products Our Process

Product Parameters

  • Part Number 7221 CD/HCP4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 105 mm
  • Bore Dia Tolerance -0.008mm to 0
  • Outer Dia 190 mm
  • Outer Dia Tolerance -0.011mm to 0
  • Width 36 mm
  • Width Tolerance -0.24mm to 0
  • Ball Dia 26.988 mm
  • Ball Qty 15
  • Contact Angle 15°
  • 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 38700 lbf
  • Static Radial Load 34425 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 14000 rpm
  • Weight 3.14 kg
  • Price（$） 1359.378
Super Precision Angular Contact Ball Bearings 7221 CD/HCP4A dimension drawing
Download DWG Download PDF

Features

Performance Features of 7221 CD/HCP4A Bearing

7221 CD/HCP4A Bearing is designed with a 15° 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 14,000 rpm.
With a dynamic radial load capacity of 38,700 lbf, it handles demanding conditions reliably.

7221 CD/HCP4A Bearing’s precision P4 tolerance class guarantees consistent performance in super precision tasks.
Its open design allows for easy lubrication, maintaining efficiency over time.

The matched arrangement option provides flexibility for various installation requirements.
This bearing is ideal for applications where both speed and precision are crucial.

Application

Common Applications of 7221 CD/HCP4A Bearing
This bearing is widely used in high-speed machine tools, where its precision angular contact design ensures accurate spindle performance. The ceramic balls reduce friction, making it ideal for continuous operation.

In robotics, 7221 CD/HCP4A Bearing supports articulated arms that require smooth, precise movements. Its phenolic cage offers lightweight durability, perfect for repetitive tasks.

For aerospace applications, this bearing handles both radial and axial loads in components like landing gear systems. The P4 tolerance class guarantees reliability under demanding conditions.

Automotive enthusiasts appreciate 7221 CD/HCP4A Bearing in performance gearboxes, where its high-speed capability enhances shifting smoothness. The open design allows for custom lubrication options.

Medical imaging devices benefit from this bearing’s quiet operation and minimal vibration. Its chrome steel rings provide long-term stability in sensitive diagnostic equipment.

Q&A

SEND INQUIRY