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Super Precision Angular Contact Ball Bearings 71815 CD/P4DBA

Super Precision Angular Contact Ball Bearings 71815 CD/P4DBA

The 71815 CD/P4DBA is a super precision angular contact ball bearing with a 75mm bore and 95mm outer diameter, crafted from high-quality chrome steel. It features a 15° contact angle and comes in a matched pair for balanced performance.

This bearing handles radial loads up to 5152 lbf and can spin at speeds up to 28,000 RPM, making it suitable for high-speed applications. Its phenolic cage ensures smooth operation and durability.

The open design allows for easy lubrication, while the extra-light preload ensures minimal friction. Ideal for precision machinery like spindles or CNC equipment where accuracy is key.

Weighing just 0.28kg, it’s lightweight yet robust. Compliant with P4 tolerance standards, it offers reliable performance in temperatures from -30°C to 110°C.

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Product Parameters

  • Part Number 71815 CD/P4DBA
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 75 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 95 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 20 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 5.556 mm
  • Ball Qty 33
  • 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 5152 lbf
  • Static Radial Load 7650 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 28000 rpm
  • Weight 0.28 kg
Super Precision Angular Contact Ball Bearings 71815 CD/P4DBA dimension drawing
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Features

How Is 71815 CD/P4DBA Bearing Engineered for Reliability?

71815 CD/P4DBA Bearing features a 15° contact angle, optimised for precision angular contact applications.
The chrome steel rings and balls provide excellent durability under dynamic radial loads up to 5152 lbf.

With a phenolic cage, 71815 CD/P4DBA Bearing ensures smooth operation at speeds up to 28,000 rpm.
Its extra light preload (Class A) enhances performance in high-precision setups.

The matched arrangement of two bearings (DB) offers stability for demanding tasks.
71815 CD/P4DBA Bearing operates reliably within a temperature range of -30°C to 110°C.

Application

Practical Applications of 71815 CD/P4DBA Bearing
71815 CD/P4DBA 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 in demanding industrial environments.

In automotive applications, 71815 CD/P4DBA Bearing supports gearbox systems, offering smooth performance under radial and axial loads. Its phenolic cage material helps reduce friction, enhancing efficiency in high-speed scenarios.

For robotics and automation, 71815 CD/P4DBA Bearing is ideal for robotic arms, where its extra light preload ensures precise movement. The open seal type allows for easy lubrication, maintaining long-term reliability.

Medical imaging devices benefit from 71815 CD/P4DBA Bearing’s chrome steel construction, which provides durability in critical applications. The P4 tolerance class ensures consistent performance in sensitive equipment.

In consumer electronics, 71815 CD/P4DBA Bearing can be found in high-end printers, where its low friction and high-speed capabilities improve performance. The compact design fits well in space-constrained devices.

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