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Super Precision Angular Contact Ball Bearings S71910 ACEGA/HCP4A

Super Precision Angular Contact Ball Bearings S71910 ACEGA/HCP4A

The S71910 ACEGA/HCP4A is a super precision angular contact ball bearing with a 50mm bore and 72mm outer diameter, crafted from high-quality chrome steel and ceramic balls. It handles radial loads up to 2722 lbf and spins smoothly at speeds up to 34,000 RPM.

Its sealed design keeps grease in and contaminants out, while the phenolic cage ensures quiet operation. The bearing operates efficiently in temperatures from -30°C to 110°C.

With a 25° contact angle and extra light preload, it’s ideal for high-speed applications like machine tool spindles or precision instruments. The ceramic balls reduce friction, enhancing performance.

Weighing just 0.11kg, it’s lightweight yet durable. This model is interchangeable with SKF bearings and comes in matched sets for back-to-back, face-to-face, or tandem arrangements. Compliant with P4A tolerance standards for precision engineering.

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Product Parameters

  • Part Number S71910 ACEGA/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 7.144 mm
  • Ball Qty 21
  • Contact Angle 25°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Sealed
  • Matched Arrangement No
  • 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 2722 lbf
  • Static Radial Load 1834 lbf
  • Lubrication Grease
  • Temperature Range - 30°C to 110 °C
  • Max Speed 34000 rpm
  • Weight 0.11 kg
Super Precision Angular Contact Ball Bearings S71910 ACEGA/HCP4A dimension drawing
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Features

Performance Features of S71910 ACEGA/HCP4A Bearing

S71910 ACEGA/HCP4A Bearing is designed with a 25° contact angle, optimising load distribution for precision applications.
Its chrome steel rings and ceramic balls reduce friction, enhancing speed capabilities up to 34,000 rpm.

The phenolic cage ensures smooth operation, even under dynamic radial loads of 2722 lbf.
With grease lubrication, S71910 ACEGA/HCP4A Bearing maintains performance in temperatures from -30°C to 110°C.

Its P4A tolerance class guarantees high precision, making it ideal for demanding angular contact tasks.
The sealed design protects against contaminants, ensuring long-lasting reliability.

Application

Common Applications of S71910 ACEGA/HCP4A Bearing
S71910 ACEGA/HCP4A Bearing is widely used in high-speed machine tools, where its ceramic balls and phenolic cage reduce friction and heat buildup. The sealed design keeps contaminants out, ensuring long-lasting performance in demanding environments.

In robotics, S71910 ACEGA/HCP4A Bearing provides smooth motion control for precision arms and joints, thanks to its angular contact design. Its extra-light preload makes it ideal for applications requiring minimal resistance and high accuracy.

For medical imaging devices, S71910 ACEGA/HCP4A Bearing’s P4A tolerance class ensures reliable operation in sensitive equipment. The chrome steel rings and ceramic balls offer a balance of durability and smooth rotation.

Automotive applications like electric vehicle motors benefit from S71910 ACEGA/HCP4A Bearing’s high-speed capabilities. The grease lubrication and sealed construction help maintain performance in varying temperatures and conditions.

In 3D printers, S71910 ACEGA/HCP4A Bearing’s precision and low friction contribute to consistent print quality. The angular contact design handles both radial and axial loads efficiently, making it a versatile choice.

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