+86 15806631151 [email protected]
TFL BEARINGS
REQUEST A QUOTE
Super Precision Angular Contact Ball Bearings 71821 ACD/P4DGA

Super Precision Angular Contact Ball Bearings 71821 ACD/P4DGA

The 71821 ACD/P4DGA is a super precision angular contact ball bearing with a 105mm bore and 130mm outer diameter, crafted from high-quality chrome steel. Its 25° contact angle and open design ensure smooth operation under angular loads.

This bearing handles dynamic radial loads up to 7898 lbf and spins at speeds up to 16,000 RPM. The phenolic cage offers durability, while the extra-light preload (Class A) enhances precision.

Its universal matching design allows flexible arrangements like back-to-back or face-to-face setups. Ideal for high-precision applications such as machine tool spindles or medical equipment.

Weighing 0.64kg, it operates efficiently in temperatures from -30°C to 110°C. Compliant with P4 tolerance standards for reliable performance.

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

Product Parameters

  • Part Number 71821 ACD/P4DGA
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 105 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 130 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 26 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 7.144 mm
  • Ball Qty 35
  • Contact Angle 25°
  • Tolerance Class P4
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement Universal matching
  • Number Of Bearings In Matched Set 2
  • 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 7898 lbf
  • Static Radial Load 12825 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 16000 rpm
  • Weight 0.64 kg
Super Precision Angular Contact Ball Bearings 71821 ACD/P4DGA dimension drawing
Download DWG Download PDF

Features

Performance Features of 71821 ACD/P4DGA Bearing

71821 ACD/P4DGA Bearing is designed with a 25° contact angle, ideal for handling combined radial and axial loads.
Its chrome steel rings and balls ensure durability, while the phenolic cage reduces friction and noise.

The bearing’s P4 tolerance class guarantees high precision, suitable for demanding applications.
With a dynamic radial load capacity of 7898 lbf, it offers reliable performance under stress.

71821 ACD/P4DGA Bearing can operate at speeds up to 16,000 rpm, maintaining efficiency.
Its universal matching design allows flexible arrangements like back-to-back or face-to-face configurations.

Application

Industrial Uses of 71821 ACD/P4DGA Bearing
71821 ACD/P4DGA Bearing is commonly used in high-precision machine tools, where its 25° contact angle ensures accurate radial and axial load handling. The open design and phenolic cage make it suitable for high-speed operations in industrial settings.

What Makes 71821 ACD/P4DGA Bearing a Preferred Choice?
In automotive applications, 71821 ACD/P4DGA Bearing supports gearbox systems, offering smooth performance under angular loads. Its universal matching feature allows flexible arrangements, making it versatile for various vehicle designs.

Perfect Fit for Automation: 71821 ACD/P4DGA Bearing
71821 ACD/P4DGA Bearing excels in robotic arms and automated production lines, where its extra-light preload ensures minimal friction. The P4 tolerance class guarantees consistent precision in repetitive tasks.

Medical vs Industrial: Where 71821 ACD/P4DGA Bearing Excels
For medical imaging devices, 71821 ACD/P4DGA Bearing provides reliable performance due to its chrome steel construction. In industrial pumps, its high dynamic load capacity ensures long service life even under continuous use.

Q&A

SEND INQUIRY