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Super Precision Angular Contact Ball Bearings 71809 CD/HCP4

Super Precision Angular Contact Ball Bearings 71809 CD/HCP4

The 71809 CD/HCP4 is a super precision angular contact ball bearing with a 45mm bore and 58mm outer diameter, crafted from durable chrome steel. Its slim 7mm width makes it ideal for compact spaces while handling radial loads up to 1098 lbf.

The ceramic balls and phenolic cage allow smooth operation at high speeds, reaching up to 40,000 RPM. With a 15° contact angle, it efficiently manages combined radial and axial loads.

This bearing comes in P4 tolerance class (ABEC-7), ensuring exceptional accuracy for precision applications. It performs reliably in temperatures from -30°C to 110°C.

Weighing just 0.037kg, it’s perfect for high-speed spindles, machine tools, or other applications demanding tight tolerances and smooth rotation. Matched arrangements are available for paired mounting needs.

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Product Parameters

  • Part Number 71809 CD/HCP4
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 45 mm
  • Bore Dia Tolerance -0.006mm to 0
  • Outer Dia 58 mm
  • Outer Dia Tolerance -0.007mm to 0
  • Width 7 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 3.175 mm
  • Ball Qty 31
  • Contact Angle 15°
  • Tolerance Class P4 (ABEC-7)
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement Available
  • Preload Available
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 1098 lbf
  • Static Radial Load 1192 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 40000 rpm
  • Weight 0.037 kg
  • Price（$） 382.842
Super Precision Angular Contact Ball Bearings 71809 CD/HCP4 dimension drawing
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Features

Why Choose 71809 CD/HCP4 Bearing for Precision Tasks?

71809 CD/HCP4 Bearing features a 15° contact angle, ideal for handling combined radial and axial loads with precision.
Its chrome steel rings and ceramic balls reduce friction, ensuring smooth operation even at high speeds.

The phenolic cage maintains ball alignment, enhancing durability and performance.
With a maximum speed of 40,000 rpm, it excels in high-speed applications.

71809 CD/HCP4 Bearing’s P4 tolerance class guarantees consistent accuracy for demanding tasks.
Its open design allows for easy lubrication, extending service life and reducing maintenance needs.

The bearing’s compact size (45 mm×58 mm×7 mm) makes it suitable for space-constrained applications.
Its dynamic radial load capacity of 1098 lbf ensures reliable performance under stress.

Application

Industrial Uses of 71809 CD/HCP4 Bearing
This bearing is commonly used in high-speed machine spindles, where its angular contact design handles both radial and axial loads efficiently. The ceramic balls reduce friction, making it suitable for precision applications.

In robotics, 71809 CD/HCP4 Bearing ensures smooth movement in articulated arms and joints. Its phenolic cage provides stability even during rapid directional changes.

For medical imaging devices, 71809 CD/HCP4 Bearing’s P4 tolerance class guarantees the accuracy needed for sensitive diagnostics. The open seal design allows for easy lubrication maintenance.

Where Is 71809 CD/HCP4 Bearing Used?
You’ll often find this bearing in CNC machining centres, where its high-speed capability and low heat generation are key. The matched arrangement option also helps in preload setups.

In aerospace applications, 71809 CD/HCP4 Bearing supports components like gyroscopes and actuators. Its lightweight construction doesn’t compromise on load capacity.

Built for Heavy-Duty Use: 71809 CD/HCP4 Bearing
This bearing excels in industrial pumps, handling both radial and thrust loads with ease. The chrome steel rings ensure long service life even in demanding conditions.

For 3D printers, 71809 CD/HCP4 Bearing provides the precision needed for smooth linear motion. The ceramic balls minimise wear, extending maintenance intervals.

Automotive vs Aerospace: Applications of 71809 CD/HCP4 Bearing
In automotive transmissions, this bearing supports high-speed shafts with minimal vibration. Its temperature range suits both cold starts and prolonged use.

For aircraft control systems, 71809 CD/HCP4 Bearing’s reliability is crucial. The phenolic cage withstands vibrations better than metal alternatives.

Q&A

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