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Super Precision Angular Contact Ball Bearings 71801 ACD/P4DGB

Super Precision Angular Contact Ball Bearings 71801 ACD/P4DGB

The 71801 ACD/P4DGB is a super precision angular contact ball bearing, measuring 12mm by 21mm by 10mm. Made from chrome steel with a phenolic cage, it offers smooth operation and durability.

With a 25° contact angle, it handles both radial and axial loads efficiently. It supports dynamic radial loads up to 718 lbf and can reach speeds of 100,000 RPM.

Its universal matching design allows for flexible arrangements like back-to-back or face-to-face. The light preload ensures precise performance in high-speed applications.

Ideal for machine tools or precision instruments, it works in temperatures from -30°C to 110°C. Weighing just 0.012kg, it’s lightweight yet robust for its size.

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Product Parameters

  • Part Number 71801 ACD/P4DGB
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 12 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 21 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 10 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 2.381 mm
  • Ball Qty 14
  • 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 Light / Class B
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 718 lbf
  • Static Radial Load 504 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 100000 rpm
  • Weight 0.012 kg
Super Precision Angular Contact Ball Bearings 71801 ACD/P4DGB dimension drawing
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Features

Performance Features of 71801 ACD/P4DGB Bearing

71801 ACD/P4DGB Bearing is crafted with chrome steel rings and balls, offering high precision for angular contact applications.
Its 25° contact angle ensures optimal load distribution, enhancing performance in high-speed operations.

The phenolic cage maintains ball alignment, reducing friction and extending the bearing’s lifespan.
With a maximum speed of 100,000 rpm, it delivers both durability and efficiency.

71801 ACD/P4DGB Bearing operates smoothly in temperatures ranging from -30°C to 110°C.
Its universal matching design allows for versatile installation configurations.

Application

How Does 71801 ACD/P4DGB Bearing Improve Performance?
71801 ACD/P4DGB Bearing excels in high-speed applications like CNC spindles, where its 25° contact angle ensures precise radial and axial load handling. The phenolic cage reduces friction, making it ideal for continuous operation.

In robotics, 71801 ACD/P4DGB Bearing supports smooth movement in articulated arms, thanks to its universal matching design. The P4 tolerance class guarantees consistent accuracy even under dynamic loads.

For dental drills, 71801 ACD/P4DGB Bearing’s chrome steel construction provides durability in high-frequency use. Its light preload ensures quiet operation, crucial for medical environments.

Automotive vs Aerospace: Applications of 71801 ACD/P4DGB Bearing
In automotive turbochargers, 71801 ACD/P4DGB Bearing handles rapid acceleration with ease. Its metric sizing fits compact designs common in modern engines.

Aerospace systems rely on 71801 ACD/P4DGB Bearing for instrumentation, where its temperature stability ensures reliability from -30°C to 110°C. The open seal allows for custom lubrication in specialised conditions.

Q&A

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