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Super Precision Angular Contact Ball Bearings 71910 ACBGB/HCP4A

Super Precision Angular Contact Ball Bearings 71910 ACBGB/HCP4A

The 71910 ACBGB/HCP4A is a super precision angular contact ball bearing with a 50mm bore and 72mm outer diameter, crafted from chrome steel for durability. Its 25° contact angle efficiently handles combined radial and thrust loads, reaching speeds up to 46,000 RPM.

Ceramic balls and a phenolic cage reduce friction, ensuring smooth operation even at high speeds. The open design allows easy lubrication, maintaining performance in temperatures from -30°C to 110°C.

This bearing is part of a universal matching set, suitable for back-to-back, face-to-face, or tandem arrangements. Ideal for precision applications like machine tool spindles or high-speed robotics.

Weighing just 0.13kg, it meets P4A tolerance standards for exceptional accuracy. Interchangeable with SKF bearings, it’s a reliable choice for demanding setups.

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Product Parameters

  • Part Number 71910 ACBGB/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 4.762 mm
  • Ball Qty 29
  • Contact Angle 25°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement No
  • Number Of Bearings In Matched Set 4
  • 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 Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 1638 lbf
  • Static Radial Load 1350 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 46000 rpm
  • Weight 0.13 kg
Super Precision Angular Contact Ball Bearings 71910 ACBGB/HCP4A dimension drawing
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Features

Why Choose 71910 ACBGB/HCP4A Bearing for Precision Tasks?

71910 ACBGB/HCP4A Bearing features a 25° contact angle, ideal for handling combined radial and axial loads with high precision.
Its ceramic balls and chrome steel rings ensure smooth operation, even at speeds up to 46,000 rpm.

The phenolic cage reduces friction and wear, enhancing the bearing’s longevity.
With a P4A tolerance class, it delivers consistent performance in demanding applications.

71910 ACBGB/HCP4A Bearing is lubricated for reduced maintenance and reliable operation.
Its universal matching capability allows flexible arrangement in back-to-back, face-to-face, or tandem configurations.

Application

Industrial Uses of 71910 ACBGB/HCP4A Bearing
71910 ACBGB/HCP4A 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 continuous operation.

In robotics, 71910 ACBGB/HCP4A Bearing provides smooth movement for articulated arms, thanks to its light preload and phenolic cage. Its compact size fits well in tight spaces without compromising performance.

For aerospace applications, 71910 ACBGB/HCP4A Bearing handles both radial and axial loads in flight control systems. The P4A tolerance class guarantees reliability under demanding conditions.

Where Is 71910 ACBGB/HCP4A Bearing Used?
You’ll find 71910 ACBGB/HCP4A Bearing in dental drills, where its high-speed capability and low heat generation are crucial. The open design allows for easy lubrication, extending service life.

In packaging machinery, 71910 ACBGB/HCP4A Bearing supports rotary tables, ensuring precise positioning. The chrome steel rings withstand frequent starts and stops without wear.

Built for Heavy-Duty Use: 71910 ACBGB/HCP4A Bearing
71910 ACBGB/HCP4A Bearing excels in industrial pumps, handling both radial and thrust loads with ease. The ceramic balls resist corrosion, making it ideal for harsh environments.

For electric motors, 71910 ACBGB/HCP4A Bearing reduces noise and vibration, enhancing efficiency. Its universal matching option simplifies installation in complex assemblies.

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