+86 15806631151 [email protected]
TFL BEARINGS
REQUEST A QUOTE
Super Precision Angular Contact Ball Bearings 7021 ACD/P4ADBD

Super Precision Angular Contact Ball Bearings 7021 ACD/P4ADBD

The 7021 ACD/P4ADBD is a super precision angular contact ball bearing with a 105mm bore and 160mm outer diameter, crafted from durable chrome steel. It handles heavy radial loads up to 33,300 lbf and spins smoothly at speeds up to 16,000 RPM.

Its 25° contact angle and matched DB arrangement provide excellent stability under angular loads, while the phenolic cage ensures quiet operation. The bearing comes pre-lubricated for immediate use and performs well in temperatures from -30°C to 110°C.

This set includes two bearings for balanced load distribution, making it ideal for high-precision applications like machine tool spindles or robotics. Weighing 3.18kg, it offers robust performance in a compact size.

Compatible with SKF bearings, this model meets P4A tolerance standards for exceptional accuracy. Its open design allows for easy maintenance and relubrication when needed.

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

Product Parameters

  • Part Number 7021 ACD/P4ADBD
  • 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 52 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 17.462 mm
  • Ball Qty 21
  • Contact Angle 25°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement 2 bearings <> DB
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing No
  • Preload Heavy / Class D
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 33300 lbf
  • Static Radial Load 41850 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 16000 rpm
  • Weight 3.18 kg
Super Precision Angular Contact Ball Bearings 7021 ACD/P4ADBD dimension drawing
Download DWG Download PDF

Features

Performance Features of 7021 ACD/P4ADBD Bearing

7021 ACD/P4ADBD Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls ensure durability, while the phenolic cage reduces friction and noise.

The matched arrangement of two bearings in DB configuration provides stability under heavy preload conditions.
With a dynamic radial load capacity of 33,300 lbf, it handles demanding operations with ease.

7021 ACD/P4ADBD Bearing operates smoothly at speeds up to 16,000 rpm, maintaining precision in high-performance settings.
Its P4A tolerance class guarantees consistent accuracy, making it suitable for precision machinery.

Application

Industrial Uses of 7021 ACD/P4ADBD Bearing
The 7021 ACD/P4ADBD Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. Its heavy preload and P4A tolerance make it suitable for applications demanding minimal deflection.

Where Is 7021 ACD/P4ADBD Bearing Used?
You’ll often find the 7021 ACD/P4ADBD Bearing in automotive transmissions, where it handles both radial and axial loads efficiently. The phenolic cage material helps reduce friction, extending the bearing’s lifespan in high-speed scenarios.

Built for Heavy-Duty Use: 7021 ACD/P4ADBD Bearing
This bearing excels in industrial robotics, particularly in articulated arms requiring precise movement. The matched arrangement of two bearings ensures stability under heavy loads, making it a reliable choice for automation systems.

Medical vs Industrial: Where 7021 ACD/P4ADBD Bearing Excels
In medical imaging devices, the 7021 ACD/P4ADBD Bearing provides smooth, quiet operation essential for diagnostic accuracy. Meanwhile, in industrial settings, its chrome steel construction withstands rigorous use in pumps and compressors.

Q&A

SEND INQUIRY