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Super Precision Angular Contact Ball Bearings 71805 ACD/HCP4DBA
Super Precision Angular Contact Ball Bearings 71805 ACD/HCP4DBA

Super Precision Angular Contact Ball Bearings 71805 ACD/HCP4DBA

The 71805 ACD/HCP4DBA is a super precision angular contact ball bearing, measuring 25mm by 37mm by 14mm. Made from chrome steel with ceramic balls, it offers smooth operation and durability.

With a 25° contact angle, it handles both radial and axial loads efficiently. Its extra light preload ensures minimal friction, making it suitable for high-speed applications up to 85,000 RPM.

The open design allows easy lubrication, while the phenolic cage enhances performance. This bearing is ideal for precision machinery like spindles or CNC tools where accuracy is key.

Compliant with P4 tolerance standards, it ensures reliable performance in temperatures from -30°C to 110°C. Weighing just 0.038kg, it’s lightweight yet robust for its size.

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Product Parameters

  • Part Number 71805 ACD/HCP4DBA
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 25 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 37 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 14 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 3.175 mm
  • Ball Qty 20
  • 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 Extra light / Class A
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 1433 lbf
  • Static Radial Load 1372 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 85000 rpm
  • Weight 0.038 kg

Features

Why Choose 71805 ACD/HCP4DBA Bearing for Precision Tasks?

71805 ACD/HCP4DBA Bearing features a 25° contact angle, ideal for handling combined radial and axial loads with high precision.
Its chrome steel rings and ceramic balls ensure smooth operation, even at speeds up to 85,000 rpm.
The phenolic cage reduces friction and wear, enhancing the bearing’s longevity.
With a P4 tolerance class, it delivers consistent performance in demanding applications.

Application

Practical Applications of 71805 ACD/HCP4DBA Bearing
71805 ACD/HCP4DBA Bearing is commonly used in high-speed machine tools, where its ceramic balls and phenolic cage reduce friction and heat buildup. The matched arrangement ensures stability in precision grinding and milling operations.

Where Is 71805 ACD/HCP4DBA Bearing Used?
You’ll often find 71805 ACD/HCP4DBA Bearing in automotive transmissions, where its angular contact design handles combined radial and axial loads efficiently. The extra light preload also minimises vibration for smoother gear shifts.

Built for Heavy-Duty Use: 71805 ACD/HCP4DBA Bearing
71805 ACD/HCP4DBA Bearing excels in robotics, particularly in articulated arms requiring precise motion control. Its P4 tolerance class guarantees consistent performance even under repetitive movements.

Medical vs Industrial: Where 71805 ACD/HCP4DBA Bearing Excels
In medical imaging devices, 71805 ACD/HCP4DBA Bearing’s low-noise operation is ideal for sensitive equipment like MRI scanners. Industrial pumps benefit from its corrosion-resistant chrome steel rings in wet environments.

How Does 71805 ACD/HCP4DBA Bearing Support High-Speed Operations?
71805 ACD/HCP4DBA Bearing’s ceramic balls allow it to reach speeds up to 85,000 rpm in dental drill handpieces. The open design simplifies relubrication in continuous operation scenarios.

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