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Super Precision Angular Contact Ball Bearings 71822 ACD/P4DBC

Super Precision Angular Contact Ball Bearings 71822 ACD/P4DBC

The 71822 ACD/P4DBC is a super precision angular contact ball bearing with a 110mm bore and 140mm outer diameter, measuring 32mm wide. Made from chrome steel, it handles radial loads up to 10980 lbf and reaches speeds of 16000 RPM.

Its 25° contact angle and matched pair design (DB arrangement) provide stable performance under angular loads. The phenolic cage ensures smooth operation and durability.

This bearing is lubricated for easy maintenance and works in temperatures from -30°C to 110°C. Ideal for high-precision applications like machine tool spindles or industrial pumps.

Weighing 1.01kg, it meets P4 tolerance standards for accuracy. Interchangeable with SKF bearings, it’s a reliable choice for replacements or upgrades.

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Product Parameters

  • Part Number 71822 ACD/P4DBC
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 110 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 140 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 32 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 8.731 mm
  • Ball Qty 32
  • 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 Moderate / Class C
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 10980 lbf
  • Static Radial Load 17212 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 16000 rpm
  • Weight 1.01 kg
Super Precision Angular Contact Ball Bearings 71822 ACD/P4DBC dimension drawing
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Features

Performance Features of 71822 ACD/P4DBC Bearing

71822 ACD/P4DBC Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls ensure durability, while the phenolic cage reduces friction and wear.

With a dynamic radial load capacity of 10980 lbf, it handles demanding conditions reliably.
The P4 tolerance class guarantees high precision, making it suitable for critical operations.

Operating at speeds up to 16,000 rpm, it balances performance and efficiency.
Its matched arrangement of two bearings provides stability and consistent operation.

The moderate preload (Class C) ensures smooth performance without excessive rigidity.
Its temperature range of -30°C to 110°C allows use in varied environments.

Application

Industrial Uses of 71822 ACD/P4DBC Bearing
71822 ACD/P4DBC Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The matched arrangement of two bearings provides stability under radial and axial loads, making it ideal for grinding and milling applications.

In automotive systems, 71822 ACD/P4DBC Bearing supports high-speed components like turbochargers and electric motor shafts. Its moderate preload and phenolic cage help reduce friction, enhancing efficiency in demanding conditions.

For medical imaging devices, 71822 ACD/P4DBC Bearing’s P4 tolerance class guarantees smooth operation in sensitive equipment. The chrome steel construction ensures durability, even in frequent start-stop cycles.

Automation systems benefit from 71822 ACD/P4DBC Bearing’s ability to handle combined loads in robotic arms. The open design allows for easy lubrication, extending service life in continuous operation.

In consumer electronics, 71822 ACD/P4DBC Bearing can be found in high-end printers, where its precision reduces vibration. The metric sizing ensures compatibility with various European and Asian device specifications.

Q&A

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