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Super Precision Angular Contact Ball Bearings S71926 ACD/P4ADBA

Super Precision Angular Contact Ball Bearings S71926 ACD/P4ADBA

The S71926 ACD/P4ADBA is a super precision angular contact ball bearing with a 130mm bore and 180mm outer diameter, crafted from high-quality chrome steel. Its 25° contact angle and sealed design ensure smooth operation under angular loads.

With a dynamic radial load capacity of 31500 lbf and a max speed of 11000 RPM, it’s built for demanding applications. The phenolic cage and grease lubrication enhance durability and reduce friction.

The matched pair arrangement (DB) with extra light preload offers stability for precision tasks. Ideal for high-speed spindles or machine tools where accuracy is key.

Weighing 3.16kg, it meets P4A tolerance standards and operates in temperatures from -30°C to 110°C. A reliable choice for engineers needing consistent performance.

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Product Parameters

  • Part Number S71926 ACD/P4ADBA
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 130 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 180 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 48 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 15.875 mm
  • Ball Qty 27
  • 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 Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 31500 lbf
  • Static Radial Load 45900 lbf
  • Lubrication Grease
  • Temperature Range - 30°C to 110 °C
  • Max Speed 11000 rpm
  • Weight 3.16 kg
Super Precision Angular Contact Ball Bearings S71926 ACD/P4ADBA dimension drawing
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Features

Performance Features of S71926 ACD/P4ADBA Bearing

S71926 ACD/P4ADBA Bearing is designed with a 25° contact angle, ideal for handling combined radial and axial loads.
Its chrome steel rings and balls ensure durability, while the phenolic cage reduces friction and wear.

The bearing’s dynamic radial load capacity of 31500 lbf makes it suitable for high-performance applications.
With a maximum speed of 11,000 rpm, it maintains precision and efficiency under demanding conditions.

S71926 ACD/P4ADBA Bearing comes pre-greased and sealed, reducing maintenance needs.
Its P4A tolerance class ensures high precision, making it a reliable choice for critical machinery.

Application

Key Fields for S71926 ACD/P4ADBA Bearing
S71926 ACD/P4ADBA Bearing is widely used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The sealed construction helps maintain performance in environments with dust or debris.

In aerospace applications, S71926 ACD/P4ADBA Bearing supports critical components like turbine shafts, thanks to its extra-light preload and high-speed capability. The matched arrangement of two bearings enhances stability under demanding conditions.

For robotics, S71926 ACD/P4ADBA Bearing provides smooth motion in articulated arms, with its phenolic cage reducing friction. The P4A tolerance class ensures consistent performance in repetitive tasks.

Medical imaging systems benefit from S71926 ACD/P4ADBA Bearing’s reliability, as its chrome steel construction withstands continuous operation. The grease lubrication extends service life in sensitive environments.

In automation equipment, S71926 ACD/P4ADBA Bearing’s 25° contact angle handles combined loads efficiently. Its metric sizing makes it a versatile choice for European-designed machinery.

Q&A

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