+86 15806631151 [email protected]
TFL BEARINGS
REQUEST A QUOTE
Super Precision Angular Contact Ball Bearings 7021 CD/P4AQBCC

Super Precision Angular Contact Ball Bearings 7021 CD/P4AQBCC

The 7021 CD/P4AQBCC is a super precision angular contact ball bearing with a 105mm bore and 160mm outer diameter, crafted from durable chrome steel. It handles radial loads up to 57375 lbf and operates smoothly at speeds up to 16000 RPM.

With a 15° contact angle and moderate preload, it offers excellent stability for high-precision applications. The phenolic cage ensures quiet operation and long service life.

This set includes four matched bearings, ideal for arrangements requiring consistent performance. It works well in temperatures from -30°C to 110°C.

Suitable for machine tools or spindle systems where accuracy and reliability are key. Weighing 6.37kg, it’s robust yet manageable for its size. Interchangeable with SKF bearings for easy replacement.

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

Product Parameters

  • Part Number 7021 CD/P4AQBCC
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 105 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 160 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 104 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 17.462 mm
  • Ball Qty 21
  • Contact Angle 15°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement 4 bearings <<>> QBC
  • Number Of Bearings In Matched Set 4
  • Universal Matching Bearing No
  • Preload Moderate / Class C
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 57375 lbf
  • Static Radial Load 87750 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 16000 rpm
  • Weight 6.37 kg
Super Precision Angular Contact Ball Bearings 7021 CD/P4AQBCC dimension drawing
Download DWG Download PDF

Features

Why Choose 7021 CD/P4AQBCC Bearing for Precision Tasks?

7021 CD/P4AQBCC Bearing features a 15° contact angle, optimised for high-precision angular contact applications.
Its chrome steel rings and balls ensure durability, while the phenolic cage reduces friction for smoother operation.

The bearing set includes four matched units, providing balanced load distribution and enhanced performance.
With a dynamic radial load capacity of 57,375 lbf, it handles demanding tasks with ease.

Designed for speeds up to 16,000 rpm, 7021 CD/P4AQBCC Bearing maintains reliability in high-speed operations.
Its P4A tolerance class ensures consistent precision, making it ideal for critical applications.

The open design allows for easy lubrication, extending service life and reducing maintenance needs.
Operating between -30°C to 110°C, it performs reliably in varied temperature conditions.

Application

Industrial Uses of 7021 CD/P4AQBCC Bearing
This bearing is commonly used in high-precision machine tools, where its moderate preload and P4A tolerance ensure accurate performance. The angular contact design handles both radial and axial loads smoothly.

In automotive applications, 7021 CD/P4AQBCC Bearing supports gearbox systems, particularly in high-speed scenarios. Its phenolic cage reduces friction, making it suitable for demanding conditions.

For robotics, 7021 CD/P4AQBCC Bearing excels in articulated arms due to its matched arrangement of four bearings. The chrome steel construction provides durability and consistent operation over time.

Where Is 7021 CD/P4AQBCC Bearing Used?
You’ll often find this bearing in CNC spindles, where its 15° contact angle and high dynamic load capacity are beneficial. The open seal design allows for easy lubrication.

In aerospace components, 7021 CD/P4AQBCC Bearing is valued for its precision and reliability. Its temperature range of -30°C to 110°C makes it adaptable to various environments.

Optimized for Performance: 7021 CD/P4AQBCC Bearing
This bearing is a solid choice for industrial pumps, thanks to its balanced load distribution and phenolic cage. The metric sizing ensures compatibility with a wide range of equipment.

In medical imaging devices, 7021 CD/P4AQBCC Bearing’s low friction and high-speed capability are key advantages. Its chrome steel balls and rings contribute to long service life.

Automotive vs Aerospace: Applications of 7021 CD/P4AQBCC Bearing
In automotive systems, this bearing is often used in transmission units, where its moderate preload enhances stability. The matched set of four bearings improves alignment.

For aerospace applications, 7021 CD/P4AQBCC Bearing is ideal for flight control systems due to its precision and durability. The high dynamic radial load capacity ensures reliable performance.

Q&A

SEND INQUIRY