+86 15806631151 [email protected]
TFL BEARINGS
REQUEST A QUOTE
Super Precision Angular Contact Ball Bearings S7021 ACD/P4AQBCA

Super Precision Angular Contact Ball Bearings S7021 ACD/P4AQBCA

The S7021 ACD/P4AQBCA 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 54450 lbf and operates smoothly at speeds up to 10000 RPM.

Its sealed design keeps lubrication in and contaminants out, while the phenolic cage ensures quiet, long-lasting performance. The 25° contact angle and extra-light preload (Class A) provide excellent stability for precision applications.

This set includes four matched bearings (QBC arrangement), ideal for high-accuracy machinery like CNC spindles or grinding equipment. It works reliably in temperatures from -30°C to 110°C.

Weighing 6.43kg, it’s a robust choice for heavy-duty applications. Compliant with P4A tolerance standards, it’s interchangeable with SKF bearings for easy replacements.

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

Product Parameters

  • Part Number S7021 ACD/P4AQBCA
  • 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 25°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Sealed
  • Matched Arrangement 4 bearings <<>> QBC
  • Number Of Bearings In Matched Set 4
  • Universal Matching Bearing No
  • Preload Extra light / Class A
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 54450 lbf
  • Static Radial Load 82125 lbf
  • Lubrication Grease
  • Temperature Range - 30°C to 110 °C
  • Max Speed 10000 rpm
  • Weight 6.43 kg
Super Precision Angular Contact Ball Bearings S7021 ACD/P4AQBCA dimension drawing
Download DWG Download PDF

Features

Performance Features of S7021 ACD/P4AQBCA Bearing

S7021 ACD/P4AQBCA Bearing is crafted for precision with a 25° contact angle, ensuring optimal load distribution.
Its chrome steel rings and balls enhance durability, supporting dynamic radial loads up to 54,450 lbf.

The phenolic cage maintains ball alignment, reducing friction and noise during high-speed operation.
With a maximum speed of 10,000 rpm, it delivers reliable performance in demanding applications.

Sealed for protection, S7021 ACD/P4AQBCA Bearing operates smoothly in temperatures from -30°C to 110°C.
Its matched arrangement of four bearings ensures consistent performance and long service life.

Application

Industrial Uses of S7021 ACD/P4AQBCA Bearing
S7021 ACD/P4AQBCA Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The sealed construction helps maintain performance in environments with dust or debris.

In automotive applications, S7021 ACD/P4AQBCA Bearing supports components like electric motors and gearboxes, thanks to its extra light preload and durable chrome steel construction. The matched set of four bearings provides balanced load distribution for smoother operation.

For medical imaging devices, S7021 ACD/P4AQBCA Bearing offers reliable performance due to its phenolic cage and tight tolerances. Its ability to handle both radial and axial loads makes it suitable for precise equipment like MRI scanners.

In robotics, S7021 ACD/P4AQBCA Bearing is ideal for articulated arms and joints, where its high-speed capability and low friction are key. The grease lubrication ensures long service life even in continuous operation.

Consumer electronics like high-end printers benefit from S7021 ACD/P4AQBCA Bearing’s quiet and smooth performance. Its compact design fits well in space-constrained applications while maintaining precision.

Q&A

SEND INQUIRY