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Super Precision Angular Contact Ball Bearings 71813 ACDGA/P4

Super Precision Angular Contact Ball Bearings 71813 ACDGA/P4

The 71813 ACDGA/P4 is a super precision angular contact ball bearing with a 65mm bore and 85mm outer diameter, crafted from high-quality chrome steel. It features a 25° contact angle and is designed for angular loads, handling up to 2858 lbf dynamically.

Its open design and phenolic cage ensure smooth operation at high speeds, reaching up to 36,000 RPM. The bearing comes pre-lubricated and operates efficiently in temperatures from -30°C to 110°C.

With a P4 tolerance class, it offers exceptional accuracy for precision applications. The bearing can be used in matched sets for back-to-back, face-to-face, or tandem arrangements.

Ideal for high-speed spindles or precision machinery, this model is interchangeable with SKF bearings. Weighing just 0.13kg, it’s lightweight yet robust for demanding environments.

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Product Parameters

  • Part Number 71813 ACDGA/P4
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 65 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 85 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 10 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 5.556 mm
  • Ball Qty 29
  • Contact Angle 25°
  • Tolerance Class P4
  • 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 2858 lbf
  • Static Radial Load 3150 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 36000 rpm
  • Weight 0.13 kg
Super Precision Angular Contact Ball Bearings 71813 ACDGA/P4 dimension drawing
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Features

Performance Features of 71813 ACDGA/P4 Bearing

71813 ACDGA/P4 Bearing is crafted 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 for smoother operation.

With a dynamic radial load capacity of 2858 lbf, it performs reliably in high-precision applications.
The P4 tolerance class guarantees tight precision, making it suitable for demanding machinery.

Operating at speeds up to 36,000 rpm, 71813 ACDGA/P4 Bearing maintains stability and efficiency.
Its temperature range of -30°C to 110°C ensures consistent performance in varied environments.

The open design allows easy lubrication, extending maintenance intervals and reducing downtime.
Its lightweight construction at 0.13 kg makes it a practical choice for compact assemblies.

Application

Key Fields for 71813 ACDGA/P4 Bearing
In industrial settings, 71813 ACDGA/P4 Bearing is commonly used in high-speed spindles and machine tools, where its precision angular contact design ensures accurate performance. The phenolic cage adds durability while reducing friction.

Where Is 71813 ACDGA/P4 Bearing Used?
You’ll often find 71813 ACDGA/P4 Bearing in automotive applications like electric motors, where its extra-light preload helps maintain smooth operation. Its metric sizing makes it a versatile fit for various European and Asian models.

Optimized for Performance: 71813 ACDGA/P4 Bearing
For medical imaging devices, 71813 ACDGA/P4 Bearing’s chrome steel construction provides reliable, long-lasting performance. The open design allows for easy lubrication, ensuring consistent operation in critical environments.

Light-Duty vs Heavy-Duty: Best Uses for 71813 ACDGA/P4 Bearing
In automation systems, 71813 ACDGA/P4 Bearing supports robotic arms and 3D printers, where its high-speed capability and P4 tolerance class shine. The 25° contact angle helps manage both radial and axial loads efficiently.

Q&A

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