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Super Precision Angular Contact Ball Bearings 7019 CD/P4AQBCA

Super Precision Angular Contact Ball Bearings 7019 CD/P4AQBCA

The 7019 CD/P4AQBCA is a super precision angular contact ball bearing with a 95mm bore and 145mm outer diameter, crafted from high-quality chrome steel. It handles radial loads up to 48600 lbf and operates smoothly at speeds up to 15000 RPM.

With a 15° contact angle and open design, it offers excellent performance in high-speed applications. The phenolic cage ensures durability and reduces friction, while the extra light preload (Class A) enhances precision.

This set includes four matched bearings (QBC arrangement), ideal for applications requiring tight tolerances, such as machine tool spindles or high-precision equipment. It works reliably in temperatures from -30°C to 110°C.

Weighing 4.84kg, it’s robust yet well-suited for demanding industrial environments. Compliant with P4A tolerance standards, it’s interchangeable with SKF bearings for easy replacement.

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Product Parameters

  • Part Number 7019 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 Open
  • 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 Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 15000 rpm
  • Weight 4.84 kg
Super Precision Angular Contact Ball Bearings 7019 CD/P4AQBCA dimension drawing
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Features

Performance Features of 7019 CD/P4AQBCA Bearing

7019 CD/P4AQBCA Bearing is designed with a 15° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls enhance durability, supporting dynamic radial loads up to 48,600 lbf.

The phenolic cage ensures smooth operation, even at high speeds of 15,000 rpm.
Precision-matching of four bearings in a set (<> QBC arrangement) improves stability and performance.

With a temperature range of -30°C to 110°C, 7019 CD/P4AQBCA Bearing performs reliably in varied conditions.
The extra light preload (Class A) reduces friction, extending service life.

Application

Key Fields for 7019 CD/P4AQBCA Bearing
In machine tools, 7019 CD/P4AQBCA Bearing excels with its precision angular contact design, ensuring smooth operation in high-speed spindle applications. The phenolic cage reduces friction, making it ideal for long-term use.

Where Is 7019 CD/P4AQBCA Bearing Used?
You’ll often find 7019 CD/P4AQBCA Bearing in robotics, where its matched arrangement provides stability for precise movements. The extra light preload also helps maintain accuracy in automated systems.

Built for Heavy-Duty Use: 7019 CD/P4AQBCA Bearing
This bearing handles heavy radial loads in industrial gearboxes, thanks to its chrome steel construction. Its P4A tolerance class ensures reliable performance in demanding environments.

Medical vs Industrial: Where 7019 CD/P4AQBCA Bearing Excels
In medical imaging devices, 7019 CD/P4AQBCA Bearing offers quiet operation, while in industrial pumps, its durability stands out. The 15° contact angle balances load distribution for both applications.

Perfect Fit for Automation: 7019 CD/P4AQBCA Bearing
7019 CD/P4AQBCA Bearing is a go-to for CNC machines, where its high-speed capability and precision are key. The lubricated design also reduces maintenance needs in continuous operations.

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