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Super Precision Angular Contact Ball Bearings S71914 ACB/HCP4ADBA

Super Precision Angular Contact Ball Bearings S71914 ACB/HCP4ADBA

The S71914 ACB/HCP4ADBA is a super precision angular contact ball bearing with a 70mm bore and 100mm outer diameter, crafted from durable chrome steel and ceramic balls. It handles radial loads up to 4770 lbf and reaches speeds of 22000 RPM, making it suitable for high-performance applications.

Its sealed design and phenolic cage ensure smooth operation with minimal maintenance, while the 25° contact angle provides excellent stability. The bearing comes preloaded in an extra-light class for precision alignment.

This matched set of two bearings (DB arrangement) is ideal for machine tools or spindle drives where accuracy is crucial. It operates reliably in temperatures from -30°C to 110°C.

Weighing 0.68kg, it’s a robust yet lightweight choice for demanding environments. Compliant with P4A tolerance standards, it’s interchangeable with SKF bearings for easy replacements.

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Product Parameters

  • Part Number S71914 ACB/HCP4ADBA
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 70 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 100 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 32 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 6.35 mm
  • Ball Qty 32
  • Contact Angle 25°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Sealed
  • Matched Arrangement 2 bearings <> DB
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing No
  • 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 5310 lbf
  • Lubrication Grease
  • Temperature Range - 30°C to 110 °C
  • Max Speed 22000 rpm
  • Weight 0.68 kg
Super Precision Angular Contact Ball Bearings S71914 ACB/HCP4ADBA dimension drawing
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Features

Performance Features of S71914 ACB/HCP4ADBA Bearing

S71914 ACB/HCP4ADBA Bearing is designed with a 25° contact angle, optimising load distribution for precision applications.
The ceramic balls reduce friction, enhancing speed capabilities up to 22,000 rpm.

Its phenolic cage ensures smooth operation, even under high dynamic radial loads of 4770 lbf.
The sealed design protects against contaminants, extending service life.

With an extra light preload (Class A), S71914 ACB/HCP4ADBA Bearing offers consistent performance in matched DB arrangements.
The chrome steel rings and ceramic balls provide durability in temperatures ranging from -30°C to 110°C.

The grease lubrication ensures minimal maintenance, making it ideal for high-speed machinery.
Its P4A tolerance class guarantees precision, suitable for demanding industrial applications.

Application

Industrial Uses of S71914 ACB/HCP4ADBA Bearing
S71914 ACB/HCP4ADBA Bearing is commonly used in high-speed machine tools, where its precision and ceramic balls reduce friction for smoother operation. The sealed design helps keep contaminants out, extending the bearing’s lifespan in demanding environments.

In robotics, S71914 ACB/HCP4ADBA Bearing provides reliable angular contact support for robotic arms, ensuring accurate movement. The phenolic cage offers lightweight durability, ideal for repetitive motions.

For medical imaging devices, S71914 ACB/HCP4ADBA Bearing’s P4A tolerance class ensures minimal vibration, crucial for clear scans. The grease lubrication maintains quiet operation, perfect for sensitive medical settings.

Automotive applications like electric vehicle motors benefit from S71914 ACB/HCP4ADBA Bearing’s high-speed capability and extra-light preload. Its matched arrangement simplifies installation in compact spaces.

In 3D printers, S71914 ACB/HCP4ADBA Bearing’s precision helps maintain layer accuracy during high-speed printing. The ceramic balls also reduce heat buildup, improving overall print quality.

Q&A

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