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Super Precision Angular Contact Ball Bearings 71807 CD/HCP4

Super Precision Angular Contact Ball Bearings 71807 CD/HCP4

The 71807 CD/HCP4 is a super precision angular contact ball bearing with a 35mm bore and 47mm outer diameter, measuring just 7mm wide. Made from chrome steel with ceramic balls, it offers smooth operation and durability.

It handles radial loads up to 1040 lbf and spins at speeds up to 53,000 RPM, making it suitable for high-performance applications. The phenolic cage ensures stability even at high speeds.

With a 15° contact angle and P4 tolerance class, it provides excellent precision for demanding tasks. Its open design allows for easy lubrication and maintenance.

Ideal for use in precision machinery like spindles or high-speed tools, where accuracy and speed are crucial. Weighing only 0.026kg, it’s lightweight yet robust for its size. Works well in temperatures from -30°C to 110°C.

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Product Parameters

  • Part Number 71807 CD/HCP4
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 35 mm
  • Bore Dia Tolerance -0.006mm to 0
  • Outer Dia 47 mm
  • Outer Dia Tolerance -0.006mm to 0
  • Width 7 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 3.175 mm
  • Ball Qty 26
  • Contact Angle 15°
  • Tolerance Class P4 (ABEC-7)
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement No
  • Preload Available
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 1040 lbf
  • Static Radial Load 968 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 53000 rpm
  • Weight 0.026 kg
  • Price（$） 31.392
Super Precision Angular Contact Ball Bearings 71807 CD/HCP4 dimension drawing
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Features

How Does 71807 CD/HCP4 Bearing Achieve Super Precision?

71807 CD/HCP4 Bearing features a 15° contact angle, ideal for handling combined radial and axial loads with high precision.
Its ceramic balls and chrome steel rings reduce friction, ensuring smooth operation even at high speeds.

The phenolic cage maintains ball alignment, enhancing durability and performance.
With a maximum speed of 53,000 rpm, it excels in demanding applications requiring accuracy and reliability.

Lubrication is pre-applied, reducing maintenance needs and extending service life.
Its P4 tolerance class ensures consistent performance in precision machinery.

Application

Where Is 71807 CD/HCP4 Bearing Used?
71807 CD/HCP4 Bearing is commonly used in high-speed machine spindles, where its 15° contact angle and ceramic balls reduce friction for smoother rotation. The P4 tolerance ensures precision in demanding industrial applications like CNC machining.

In robotics, 71807 CD/HCP4 Bearing supports articulated arms, offering reliable angular contact performance for precise movements. Its phenolic cage provides stability even during rapid directional changes.

For medical imaging devices, 71807 CD/HCP4 Bearing’s low heat generation and high-speed capability make it suitable for quiet, efficient operation. The chrome steel rings and ceramic balls enhance durability in sterile environments.

Automotive applications include electric vehicle motors, where 71807 CD/HCP4 Bearing handles combined radial and axial loads efficiently. Its metric sizing ensures compatibility with compact motor designs.

In aerospace systems, 71807 CD/HCP4 Bearing’s lightweight construction and high-speed tolerance make it ideal for instrumentation. The open design allows for custom lubrication to suit specific operational needs.

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