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Super Precision Angular Contact Ball Bearings S7019 CD/P4AQBCA

Super Precision Angular Contact Ball Bearings S7019 CD/P4AQBCA

The S7019 CD/P4AQBCA is a super precision angular contact ball bearing with a 95mm bore and 145mm outer diameter, crafted from durable chrome steel. It handles radial loads up to 48600 lbf and spins smoothly at speeds up to 15000 RPM.

Its sealed design keeps grease in place, while the phenolic cage ensures quiet, long-lasting performance. The 15° contact angle and extra-light preload make it ideal for high-precision applications.

This set includes four matched bearings (QBC arrangement) for balanced performance. Suitable for machine tools or spindles where accuracy and low friction are key.

Weighing 4.88kg, it operates in temperatures from -30°C to 110°C. Compliant with P4A tolerance standards for reliable performance.

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Product Parameters

  • Part Number S7019 CD/P4AQBCA
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 95 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 145 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 96 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 15.875 mm
  • Ball Qty 21
  • Contact Angle 15°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Sealed
  • Matched Arrangement 4 bearings <<>> QBC
  • Number Of Bearings In Matched Set 4
  • 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 48600 lbf
  • Static Radial Load 72000 lbf
  • Lubrication Grease
  • Temperature Range - 30°C to 110 °C
  • Max Speed 15000 rpm
  • Weight 4.88 kg
Super Precision Angular Contact Ball Bearings S7019 CD/P4AQBCA dimension drawing
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Features

How Does S7019 CD/P4AQBCA Bearing Achieve Super Precision?

S7019 CD/P4AQBCA Bearing features a 15° contact angle, ensuring optimal load distribution for high-precision applications.
The chrome steel construction enhances durability while maintaining smooth operation under dynamic radial loads up to 48,600 lbf.

With a phenolic cage, S7019 CD/P4AQBCA Bearing reduces friction and noise, ideal for precision machinery.
Its sealed design and grease lubrication ensure consistent performance even at speeds up to 15,000 rpm.

S7019 CD/P4AQBCA Bearing operates reliably in temperatures ranging from -30°C to 110°C.
The matched arrangement of four bearings provides stability and accuracy in demanding setups.

Application

Industrial Uses of S7019 CD/P4AQBCA Bearing
S7019 CD/P4AQBCA Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The sealed construction keeps contaminants out, extending service life in demanding workshop conditions.

In automotive applications, S7019 CD/P4AQBCA Bearing supports high-speed components like turbochargers and electric motor shafts. Its extra light preload reduces friction, improving efficiency in performance vehicles.

For medical imaging devices, S7019 CD/P4AQBCA Bearing’s phenolic cage and P4A tolerance class provide smooth, quiet operation essential for sensitive equipment. The matched set arrangement further enhances stability in critical systems.

Automation systems benefit from S7019 CD/P4AQBCA Bearing’s grease lubrication and 15° contact angle, which maintain precision in robotic arms. The chrome steel construction handles repetitive motions without compromising accuracy.

In aerospace applications, S7019 CD/P4AQBCA Bearing’s temperature range and dynamic load capacity make it suitable for flight control mechanisms. The metric sizing ensures compatibility with international aircraft components.

Q&A

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