Super Precision Angular Contact Ball Bearings 71910 ACD/P4ADBB

Super Precision Angular Contact Ball Bearings 71910 ACD/P4ADBB

The 71910 ACD/P4ADBB 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.

With a 25° contact angle and light preload, it offers excellent stability for high-precision applications. The phenolic cage ensures quiet operation and long service life.

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

Weighing just 0.26kg, it’s a lightweight yet robust solution for demanding environments. Compliant with P4A tolerance standards for superior performance.

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Product Parameters

  • Part Number 71910 ACD/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 6.35 mm
  • Ball Qty 25
  • Contact Angle 25°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • 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 4680 lbf
  • Static Radial Load 4410 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 46000 rpm
  • Weight 0.26 kg

Features

Performance Features of 71910 ACD/P4ADBB Bearing

71910 ACD/P4ADBB Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls ensure durability and resistance to wear under dynamic radial loads up to 4680 lbf.

The phenolic cage maintains ball alignment, reducing friction and enhancing performance at high speeds.
With a maximum speed of 46,000 rpm, it delivers smooth operation in precision tasks.

71910 ACD/P4ADBB Bearing operates efficiently within a temperature range of -30°C to 110°C.
Its matched arrangement of two bearings provides stability and reliability in demanding conditions.

The light preload and P4A tolerance class ensure precise performance for critical applications.
Its open design allows for easy lubrication, extending maintenance intervals.

Application

Industrial Uses of 71910 ACD/P4ADBB Bearing
71910 ACD/P4ADBB Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The matched arrangement of two bearings provides stability under radial and axial loads.

In robotics, 71910 ACD/P4ADBB Bearing supports articulated arms, offering smooth movement and long service life. The phenolic cage reduces friction, making it ideal for repetitive motions.

For aerospace applications, 71910 ACD/P4ADBB Bearing’s light preload and P4A tolerance class meet strict performance requirements. Its chrome steel construction handles high speeds without compromising precision.

Medical imaging devices benefit from 71910 ACD/P4ADBB Bearing’s low vibration and quiet operation. The lubricated design ensures reliability in critical diagnostic equipment.

In automation systems, 71910 ACD/P4ADBB Bearing enhances the performance of linear guides and positioning stages. The 25° contact angle optimises load distribution for consistent results.

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