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Super Precision Angular Contact Ball Bearings 71910 ACDGA/HCP4A

Super Precision Angular Contact Ball Bearings 71910 ACDGA/HCP4A

The 71910 ACDGA/HCP4A is a super precision angular contact ball bearing with a 50mm bore and 72mm outer diameter, crafted from high-quality chrome steel. It features a 25° contact angle and ceramic balls for smooth operation.

This bearing handles radial loads up to 2858 lbf and can reach speeds of 46,000 RPM, making it suitable for high-performance applications. Its phenolic cage ensures durability while keeping weight low at just 0.12kg.

The open design allows for easy lubrication, and it operates efficiently in temperatures from -30°C to 110°C. With a P4A tolerance class, it offers exceptional precision.

Ideal for machine tools or spindle applications, this bearing can be arranged in back-to-back, face-to-face, or tandem configurations. It’s also interchangeable with SKF bearings for convenient replacements.

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Product Parameters

  • Part Number 71910 ACDGA/HCP4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 50 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 72 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 12 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 6.35 mm
  • Ball Qty 25
  • Contact Angle 25°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement No
  • Number Of Bearings In Matched Set 3
  • 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 2858 lbf
  • Static Radial Load 2205 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 46000 rpm
  • Weight 0.12 kg
Super Precision Angular Contact Ball Bearings 71910 ACDGA/HCP4A dimension drawing
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Features

Performance Features of 71910 ACDGA/HCP4A Bearing

71910 ACDGA/HCP4A Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.
The chrome steel rings and ceramic balls enhance durability while reducing friction for smoother operation.

With a dynamic radial load capacity of 2858 lbf, it handles demanding conditions reliably.
Its phenolic cage ensures stable performance at high speeds, up to 46,000 rpm.

The extra-light preload (Class A) minimises vibration, making it suitable for precision tasks.
Its P4A tolerance class guarantees consistent accuracy in high-performance applications.

71910 ACDGA/HCP4A Bearing operates efficiently in temperatures from -30°C to 110°C.
The open design allows easy lubrication, ensuring long-term reliability with minimal maintenance.

Application

Common Applications of 71910 ACDGA/HCP4A Bearing
71910 ACDGA/HCP4A Bearing is widely used in high-speed machine tools, where its ceramic balls and phenolic cage reduce friction and heat buildup. The P4A tolerance ensures precise alignment, crucial for maintaining accuracy in CNC operations.

In robotics, 71910 ACDGA/HCP4A Bearing supports articulated arms, offering smooth movement under angular loads. Its lightweight design and high-speed capability make it ideal for repetitive, precision tasks.

For aerospace applications, 71910 ACDGA/HCP4A Bearing handles the demanding conditions of flight control systems. The chrome steel rings and ceramic balls provide durability while maintaining performance in extreme temperatures.

Medical imaging devices benefit from 71910 ACDGA/HCP4A Bearing’s quiet operation and minimal vibration. The open design allows for easy lubrication, ensuring long-term reliability in sensitive equipment.

In automotive testing rigs, 71910 ACDGA/HCP4A Bearing’s extra light preload reduces wear during prolonged use. Its compatibility with matched sets simplifies installation in complex drivetrain setups.

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