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Super Precision Angular Contact Ball Bearings S71910 ACB/P4ADBB

Super Precision Angular Contact Ball Bearings S71910 ACB/P4ADBB

The S71910 ACB/P4ADBB is a super precision angular contact ball bearing with a 50mm bore and 72mm outer diameter, crafted from durable chrome steel. It features a 25° contact angle and comes sealed for protection, with two bearings matched in a DB arrangement.

This bearing handles radial loads up to 2678 lbf and spins smoothly at speeds up to 34,000 RPM, thanks to its phenolic cage and grease lubrication. Its light preload ensures stable performance in high-precision applications.

The sealed design keeps contaminants out, extending service life, while the P4A tolerance class guarantees exceptional accuracy. Ideal for machine tools, spindles, or other high-speed, precision equipment.

Weighing just 0.28kg, it’s lightweight yet robust. Suitable for temperatures from -30°C to 110°C, it’s a reliable choice for demanding environments. Interchangeable with SKF bearings for easy replacement.

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Product Parameters

  • Part Number S71910 ACB/P4ADBB
  • 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 4.762 mm
  • Ball Qty 29
  • 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 Light / Class B
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 2678 lbf
  • Static Radial Load 2655 lbf
  • Lubrication Grease
  • Temperature Range - 30°C to 110 °C
  • Max Speed 34000 rpm
  • Weight 0.28 kg
Super Precision Angular Contact Ball Bearings S71910 ACB/P4ADBB dimension drawing
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Features

Performance Features of S71910 ACB/P4ADBB Bearing

S71910 ACB/P4ADBB Bearing is designed with a 25° contact angle, optimising load distribution for precision applications.
Its matched arrangement of two bearings ensures stability and accuracy in high-speed operations.

The chrome steel rings and balls enhance durability, while the phenolic cage reduces friction.
With a maximum speed of 34,000 rpm, it delivers reliable performance in demanding conditions.

S71910 ACB/P4ADBB Bearing operates efficiently within a temperature range of -30°C to 110°C.
Its sealed design and grease lubrication minimise maintenance requirements, extending service life.

The P4A tolerance class guarantees high precision, making it suitable for critical applications.
Its dynamic radial load capacity of 2678 lbf ensures robust performance under stress.

Application

Key Fields for S71910 ACB/P4ADBB Bearing
S71910 ACB/P4ADBB Bearing is commonly used in high-speed machine spindles, where its precision and light preload ensure smooth rotation. The sealed design helps keep contaminants out, extending the bearing’s lifespan in demanding industrial settings.

In robotics, S71910 ACB/P4ADBB Bearing provides reliable angular contact support for articulated arms, thanks to its matched arrangement. The phenolic cage reduces friction, making it ideal for repetitive, high-accuracy movements.

For medical imaging devices, S71910 ACB/P4ADBB Bearing’s P4A tolerance class ensures minimal vibration, crucial for clear diagnostic results. Its grease lubrication also allows for quiet operation in sensitive environments.

Automotive applications like electric vehicle motors benefit from S71910 ACB/P4ADBB Bearing’s high-speed capabilities and angular load handling. The chrome steel construction offers durability under continuous use, while the metric sizing fits standard motor designs.

In aerospace systems, S71910 ACB/P4ADBB Bearing’s temperature range and precision make it suitable for flight control mechanisms. The paired bearing setup enhances stability, ensuring consistent performance in critical operations.

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