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Super Precision Angular Contact Ball Bearings 71813 ACD/P4DBB

Super Precision Angular Contact Ball Bearings 71813 ACD/P4DBB

The 71813 ACD/P4DBB is a super precision angular contact ball bearing with a 65mm bore and 85mm outer diameter, crafted from durable chrome steel. It handles radial loads up to 4680 lbf and operates smoothly at high speeds up to 36,000 RPM.

Its 25° contact angle and matched arrangement of two bearings provide excellent stability for angular loads. The phenolic cage ensures quiet operation and long service life.

Preloaded for light performance, this bearing is ideal for precision applications like machine tool spindles or high-speed robotics. It works reliably in temperatures from -30°C to 110°C.

Weighing just 0.25kg, it’s a lightweight yet robust choice for demanding environments. Compliant with P4 tolerance standards, it’s interchangeable with SKF bearings for easy replacement.

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Product Parameters

  • Part Number 71813 ACD/P4DBB
  • 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 20 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 2 bearings <> DB
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing No
  • Preload Light / Class B
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 4680 lbf
  • Static Radial Load 6300 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 36000 rpm
  • Weight 0.25 kg
Super Precision Angular Contact Ball Bearings 71813 ACD/P4DBB dimension drawing
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Features

Performance Features of 71813 ACD/P4DBB Bearing

71813 ACD/P4DBB Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.
The chrome steel rings and balls enhance durability, while the phenolic cage ensures smooth operation at high speeds.

With a dynamic radial load capacity of 4680 lbf, it handles demanding conditions reliably.
Its matched arrangement of two bearings (DB) provides stability and precision in operation.

The P4 tolerance class guarantees high accuracy, making it suitable for precision tasks.
Operating at speeds up to 36,000 rpm, it balances performance and longevity.

Its open design allows for easy lubrication, reducing maintenance needs.
The temperature range of -30°C to 110°C ensures adaptability in various environments.

Application

Common Applications of 71813 ACD/P4DBB Bearing
71813 ACD/P4DBB Bearing is widely used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The matched arrangement of two bearings provides stability in demanding industrial environments.

In automotive applications, 71813 ACD/P4DBB Bearing supports gearbox systems, offering reliable performance under radial and axial loads. Its light preload and phenolic cage make it suitable for high-speed operations.

For robotics, 71813 ACD/P4DBB Bearing is ideal for articulated arms, where smooth movement and precision are essential. The P4 tolerance class guarantees consistent performance in automated systems.

Medical imaging devices benefit from 71813 ACD/P4DBB Bearing’s low friction and high-speed capabilities. The chrome steel construction ensures durability in critical healthcare equipment.

In consumer electronics, 71813 ACD/P4DBB Bearing can be found in high-end printers, where its quiet operation and precision enhance performance. The open seal design allows for easy maintenance in long-term use.

Q&A

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