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Super Precision Angular Contact Ball Bearings 71909 CD/HCP4ADGA

Super Precision Angular Contact Ball Bearings 71909 CD/HCP4ADGA

The 71909 CD/HCP4ADGA is a super precision angular contact ball bearing with a 45mm bore and 68mm outer diameter, crafted from durable chrome steel. It features a 15° contact angle and ceramic balls for smooth operation.

This bearing handles radial loads up to 4770 lbf and spins at impressive speeds up to 41,000 RPM. Its phenolic cage and extra light preload ensure quiet, efficient performance in demanding applications.

The open design allows easy lubrication, while the universal matching capability offers flexible mounting options (back-to-back, face-to-face, or tandem). Ideal for high-speed machinery like spindles or precision tools where accuracy is crucial.

Weighing just 0.24kg, it operates in temperatures from -30°C to 110°C. Compliant with P4A tolerance class, this bearing is interchangeable with SKF models for reliable replacements.

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Product Parameters

  • Part Number 71909 CD/HCP4ADGA
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 45 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 68 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 24 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 6.35 mm
  • Ball Qty 23
  • Contact Angle 15°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement Universal matching
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing Yes, back-to-back (<>), face-to-face (><) or tandem (>>)
  • Preload Extra light / Class A
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 4770 lbf
  • Static Radial Load 4275 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 41000 rpm
  • Weight 0.24 kg
  • Price（$） 329.643
Super Precision Angular Contact Ball Bearings 71909 CD/HCP4ADGA dimension drawing
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Features

How Is 71909 CD/HCP4ADGA Bearing Engineered for Reliability?

71909 CD/HCP4ADGA Bearing features a chrome steel ring and ceramic balls, ensuring high precision and durability.
Its 15° contact angle and universal matching design provide excellent load distribution and stability.
The phenolic cage maintains ball alignment, reducing friction and enhancing performance.
With a maximum speed of 41,000 rpm, it is ideal for high-speed applications.

What Makes 71909 CD/HCP4ADGA Bearing Suitable for High-Temperature Applications?

71909 CD/HCP4ADGA Bearing operates efficiently within a temperature range of -30°C to 110°C.
The ceramic balls and chrome steel construction resist thermal expansion, maintaining precision.
Its phenolic cage further ensures stability under varying thermal conditions.
This makes it a reliable choice for demanding industrial environments.

Designed for Durability: 71909 CD/HCP4ADGA Bearing

71909 CD/HCP4ADGA Bearing is built with high-quality chrome steel and ceramic balls for long-lasting performance.
The extra light preload (Class A) ensures smooth operation and reduced wear.
Its dynamic radial load capacity of 4770 lbf guarantees reliability under stress.
The open seal type allows for easy lubrication and maintenance.

Application

Industrial Uses of 71909 CD/HCP4ADGA Bearing
71909 CD/HCP4ADGA Bearing is commonly used in high-speed machine tools, where its precision angular contact design ensures accurate spindle rotation. The ceramic balls reduce friction, making it suitable for applications demanding smooth operation.

In automotive systems, 71909 CD/HCP4ADGA Bearing supports components like turbochargers and electric motors, where its extra light preload enhances performance. The universal matching feature allows for flexible installation in various configurations.

For medical imaging devices, 71909 CD/HCP4ADGA Bearing’s phenolic cage and chrome steel rings provide reliable performance in sterile environments. Its high-speed capability is ideal for equipment requiring consistent, low-vibration operation.

Automation & robotics benefit from 71909 CD/HCP4ADGA Bearing’s ability to handle combined loads in robotic arms. The P4A tolerance class ensures precise movement, crucial for repetitive tasks.

In consumer electronics, 71909 CD/HCP4ADGA Bearing’s compact size and lubricated design make it a fit for high-performance printers. The temperature range allows stable operation in varied conditions.

Q&A

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