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Super Precision Angular Contact Ball Bearings 71910 ACD/P4ADGB

Super Precision Angular Contact Ball Bearings 71910 ACD/P4ADGB

The 71910 ACD/P4ADGB is a super precision angular contact ball bearing with a 50mm bore and 72mm outer diameter, crafted from durable chrome steel. It handles radial loads up to 4680 lbf and spins smoothly at speeds up to 46,000 RPM.

Its 25° contact angle and universal matching design allow flexible arrangements like back-to-back or face-to-face. The phenolic cage ensures quiet operation and long service life.

This bearing is preloaded for light applications and works well in temperatures from -30°C to 110°C. Ideal for high-precision machinery like spindles or CNC tools where accuracy is key.

Weighing just 0.26kg, it’s lightweight yet robust. Compliant with P4A tolerance standards for reliable performance. Interchangeable with SKF bearings for easy replacements.

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Product Parameters

  • Part Number 71910 ACD/P4ADGB
  • 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 24 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 Universal matching
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing Yes, back-to-back (<>), face-to-face (><) or tandem (>>)
  • Preload Light / Class B
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 4680 lbf
  • Static Radial Load 4410 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 46000 rpm
  • Weight 0.26 kg
  • Price（$） 198.135
Super Precision Angular Contact Ball Bearings 71910 ACD/P4ADGB dimension drawing
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Features

Performance Features of 71910 ACD/P4ADGB Bearing

71910 ACD/P4ADGB Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.

The chrome steel rings and balls enhance durability, while the phenolic cage ensures smooth operation at high speeds.

With a dynamic radial load capacity of 4680 lbf, it handles demanding tasks reliably.

The P4A tolerance class guarantees precision, making it suitable for high-performance machinery.

How Is 71910 ACD/P4ADGB Bearing Engineered for Reliability?

71910 ACD/P4ADGB Bearing features universal matching, allowing flexible arrangements like back-to-back or face-to-face.

Its light preload (Class B) ensures minimal friction, enhancing efficiency and longevity.

The open design and lubrication system maintain performance even at speeds up to 46,000 rpm.

Chrome steel construction resists wear, making it a dependable choice for precision applications.

Built for Precision: 71910 ACD/P4ADGB Bearing

71910 ACD/P4ADGB Bearing’s phenolic cage reduces noise and vibration, ideal for high-speed operations.

The 25° contact angle distributes loads evenly, improving stability and reducing stress.

With a static radial load of 4410 lbf, it offers reliable support in various configurations.

Its P4A tolerance class ensures consistent accuracy, meeting stringent industry standards.

Application

Key Fields for 71910 ACD/P4ADGB Bearing
71910 ACD/P4ADGB Bearing is widely used in high-precision machine tools, where its 25° contact angle ensures accurate radial and axial load distribution. The universal matching design allows flexible arrangements like back-to-back or face-to-face mounting.

In automotive applications, 71910 ACD/P4ADGB Bearing enhances performance in electric motor systems, thanks to its light preload and smooth operation at high speeds. The phenolic cage reduces friction, making it energy-efficient for modern vehicles.

For robotics, 71910 ACD/P4ADGB Bearing provides reliable motion control in articulated arms, where its P4A tolerance class maintains precision. The chrome steel construction also withstands continuous use in automated production lines.

How Does 71910 ACD/P4ADGB Bearing Support High-Speed Operations?
71910 ACD/P4ADGB Bearing handles speeds up to 46,000 rpm, making it ideal for spindle drives in CNC machines. Its lubricated design minimises heat buildup during prolonged use.

The bearing’s phenolic cage and chrome steel balls reduce vibration in dental drill handpieces, ensuring patient comfort. Light preload further enhances stability in these sensitive medical tools.

Perfect Fit for Automation: 71910 ACD/P4ADGB Bearing
71910 ACD/P4ADGB Bearing is commonly fitted in 3D printer linear guides, where its tandem arrangement allows precise layer deposition. The metric dimensions suit most European and Asian automation equipment.

In packaging machinery, this bearing’s universal matching feature simplifies maintenance of rotary indexing tables. The open seal design also permits easy relubrication in dusty environments.

Medical vs Industrial: Where 71910 ACD/P4ADGB Bearing Excels
71910 ACD/P4ADGB Bearing meets sterile environment requirements in MRI scanner rotation systems, thanks to its corrosion-resistant materials. The P4A tolerance ensures consistent imaging quality.

For industrial pumps, this bearing’s dynamic radial load capacity of 4680 lbf prevents premature failure. The 50mm bore size fits standard shaft diameters in water treatment plants.

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