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Super Precision Angular Contact Ball Bearings S71928 CD/P4ADBC

Super Precision Angular Contact Ball Bearings S71928 CD/P4ADBC

The S71928 CD/P4ADBC is a super precision angular contact ball bearing, measuring 140mm by 190mm by 48mm, crafted from high-grade chrome steel. It features a 15° contact angle and comes sealed for protection, with a matched pair arrangement for balanced performance.

This bearing handles radial loads up to 34425 lbf and can spin at speeds up to 11000 RPM, making it suitable for high-speed applications. Its phenolic cage ensures smooth operation and durability under moderate preload conditions.

The sealed design keeps lubrication in and contaminants out, reducing maintenance needs. It operates effectively in temperatures ranging from -30°C to 110°C, ideal for demanding environments.

Perfect for precision machinery like spindles or high-speed motors, this bearing is interchangeable with SKF models. Weighing 3.37kg, it offers a robust yet precise solution for angular contact needs.

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Product Parameters

  • Part Number S71928 CD/P4ADBC
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 140 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 190 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 48 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 15.875 mm
  • Ball Qty 29
  • Contact Angle 15°
  • 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 Moderate / Class C
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 34425 lbf
  • Static Radial Load 52200 lbf
  • Lubrication Grease
  • Temperature Range - 30°C to 110 °C
  • Max Speed 11000 rpm
  • Weight 3.37 kg
Super Precision Angular Contact Ball Bearings S71928 CD/P4ADBC dimension drawing
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Features

Performance Features of S71928 CD/P4ADBC Bearing

S71928 CD/P4ADBC Bearing is designed with a 15° contact angle, offering precise angular contact performance.
Its chrome steel rings and balls ensure durability, while the phenolic cage provides stability under high speeds.

With a dynamic radial load capacity of 34425 lbf, it handles demanding applications with ease.
The sealed design and grease lubrication reduce maintenance needs, extending service life.

S71928 CD/P4ADBC Bearing operates smoothly at speeds up to 11,000 rpm, balancing efficiency and reliability.
Its moderate preload (Class C) ensures consistent performance in matched bearing arrangements.

Application

Industrial Uses of S71928 CD/P4ADBC Bearing
S71928 CD/P4ADBC Bearing is commonly 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 automotive applications, S71928 CD/P4ADBC Bearing supports high-speed components like turbochargers and electric motors. Its moderate preload and matched arrangement provide stability under varying loads.

For robotics, S71928 CD/P4ADBC Bearing offers reliable performance in articulated arms and precision movement systems. The phenolic cage reduces friction, enhancing efficiency in repetitive tasks.

Medical imaging devices benefit from S71928 CD/P4ADBC Bearing’s consistent operation and low noise levels. The chrome steel construction ensures durability in critical healthcare equipment.

In aerospace systems, S71928 CD/P4ADBC Bearing handles high radial loads while maintaining precision. Its temperature tolerance makes it suitable for both ground and flight conditions.

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