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Super Precision Angular Contact Ball Bearings 71805 CD/P4DBA
Super Precision Angular Contact Ball Bearings 71805 CD/P4DBA

Super Precision Angular Contact Ball Bearings 71805 CD/P4DBA

The 71805 CD/P4DBA is a super precision angular contact ball bearing, measuring 25mm by 37mm by 14mm, crafted from durable chrome steel. It features a 15° contact angle and comes in a matched pair for balanced performance.

With a dynamic radial load capacity of 1521 lbf, it spins smoothly at speeds up to 103,000 RPM. The phenolic cage ensures quiet operation and long service life, even in demanding conditions.

Its open design allows for easy lubrication, while the P4 tolerance class guarantees high precision. Ideal for applications like machine tool spindles or high-speed robotics where accuracy is key.

Weighing just 0.042kg, this lightweight yet robust bearing is interchangeable with SKF models. It operates reliably in temperatures from -30°C to 110°C.

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Product Parameters

  • Part Number 71805 CD/P4DBA
  • 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 15°
  • 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 Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 1521 lbf
  • Static Radial Load 1440 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 103000 rpm
  • Weight 0.042 kg

Features

How Is 71805 CD/P4DBA Bearing Engineered for Reliability?

71805 CD/P4DBA Bearing features a 15° contact angle, optimised for handling combined radial and axial loads.
The chrome steel rings and balls ensure durability, while the phenolic cage reduces friction and wear.

With a dynamic radial load capacity of 1521 lbf, it performs reliably in high-speed applications.
Its P4 tolerance class guarantees precision, making it suitable for demanding tasks.

The matched arrangement of two bearings (DB) enhances stability and load distribution.
Lubricated for smooth operation, it supports speeds up to 103,000 rpm without compromising performance.

Application

Practical Applications of 71805 CD/P4DBA Bearing
71805 CD/P4DBA Bearing is commonly used in high-speed machine tools, where its precision angular contact design ensures accurate spindle rotation. The matched arrangement of two bearings provides stability, making it ideal for grinding and milling operations.

In robotics, 71805 CD/P4DBA Bearing supports articulated arms, offering smooth movement and low friction. Its phenolic cage reduces weight while maintaining strength, perfect for repetitive motions in automated systems.

For medical imaging devices, 71805 CD/P4DBA Bearing’s chrome steel construction delivers reliable performance under constant use. The extra light preload ensures minimal vibration, crucial for clear and precise diagnostic results.

Automotive applications like electric power steering benefit from 71805 CD/P4DBA Bearing’s high-speed capabilities. The 15° contact angle handles combined radial and axial loads efficiently, enhancing driver comfort and control.

In 3D printers, 71805 CD/P4DBA Bearing’s low tolerance and smooth operation contribute to precise layer alignment. The open design allows for easy lubrication, extending the bearing’s lifespan in continuous printing environments.

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