+86 15806631151 [email protected]
TFL BEARINGS
REQUEST A QUOTE
Super Precision Angular Contact Ball Bearings 7021 ACDGA/P4A

Super Precision Angular Contact Ball Bearings 7021 ACDGA/P4A

The 7021 ACDGA/P4A is a super precision angular contact ball bearing with a 105mm bore and 160mm outer diameter, crafted from high-quality chrome steel. It handles radial loads up to 20340 lbf and operates smoothly at speeds up to 16000 RPM.

With a 25° contact angle and extra light preload, it offers excellent accuracy and low friction. The phenolic cage ensures durability and quiet performance, even in demanding conditions.

This bearing is suitable for temperatures from -30°C to 110°C and comes pre-lubricated for easy installation. It can be used in matched sets for back-to-back, face-to-face, or tandem arrangements.

Ideal for high-precision applications like machine tool spindles or high-speed robotics, where reliability and precision are key. Weighing 1.59kg, it balances strength and performance for industrial use.

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

Product Parameters

  • Part Number 7021 ACDGA/P4A
  • 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 26 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 No
  • Number Of Bearings In Matched Set 3
  • Universal Matching Bearing Yes, back-to-back (<>), face-to-face (><) or tandem (>>)
  • Preload Extra light / Class A
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 20340 lbf
  • Static Radial Load 20925 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 16000 rpm
  • Weight 1.59 kg
  • Price（$） 326.43
Super Precision Angular Contact Ball Bearings 7021 ACDGA/P4A dimension drawing
Download DWG Download PDF

Features

Performance Features of 7021 ACDGA/P4A Bearing

7021 ACDGA/P4A Bearing is designed with a 25° contact angle, providing excellent radial and axial load capacity.
Its chrome steel rings and balls ensure durability and smooth operation under high-speed conditions.

The phenolic cage in 7021 ACDGA/P4A Bearing reduces friction and wear, enhancing its performance.
With a maximum speed of 16,000 rpm, it is suitable for precision applications requiring high rotational accuracy.

7021 ACDGA/P4A Bearing operates efficiently within a temperature range of -30°C to 110°C.
Its extra light preload (Class A) ensures minimal friction and optimal performance in demanding environments.

The open design of 7021 ACDGA/P4A Bearing allows for easy lubrication and maintenance.
Its dynamic radial load capacity of 20,340 lbf makes it reliable for heavy-duty applications.

Application

Industrial Uses of 7021 ACDGA/P4A Bearing
The 7021 ACDGA/P4A Bearing is commonly used in high-speed machine tools, where its precision and angular contact design ensure accurate performance. Its open seal type allows for efficient lubrication, making it suitable for continuous operation.

In automotive applications, 7021 ACDGA/P4A Bearing supports components like electric motors and transmissions, handling both radial and axial loads with ease. The phenolic cage material reduces friction, enhancing its longevity in demanding conditions.

For medical imaging devices, 7021 ACDGA/P4A Bearing’s chrome steel construction provides reliable stability, crucial for maintaining precision in diagnostic equipment. The extra light preload ensures smooth rotation, minimising vibration during operation.

Automation systems benefit from 7021 ACDGA/P4A Bearing’s high-speed capabilities, particularly in robotic arms and CNC machinery. The P4A tolerance class guarantees consistent performance, even under heavy loads.

In consumer electronics like high-end printers, 7021 ACDGA/P4A Bearing’s balanced design reduces noise, ensuring quiet operation. Its metric dimensions make it compatible with a wide range of European and Asian devices.

Q&A

SEND INQUIRY