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Super Precision Angular Contact Ball Bearings 7030 CD/P4A

Super Precision Angular Contact Ball Bearings 7030 CD/P4A

The 7030 CD/P4A is a super precision angular contact ball bearing with a 150mm bore and 225mm outer diameter, crafted from high-quality chrome steel. It handles radial loads up to 38700 lbf and operates smoothly at speeds up to 9000 RPM.

With a 15° contact angle and open design, it offers excellent performance for angular contact applications. The phenolic cage ensures durability and reduces friction during high-speed rotations.

This bearing is preload-ready, making it suitable for precise machinery setups. It works reliably in temperatures from -30°C to 110°C, ideal for industrial equipment.

Weighing 4.17kg, it’s robust yet manageable for its size. Compliant with P4 tolerance standards, it’s interchangeable with SKF bearings for easy replacements. Perfect for spindle assemblies or machine tools requiring high precision.

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Product Parameters

  • Part Number 7030 CD/P4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 150 mm
  • Bore Dia Tolerance -0.01mm to 0
  • Outer Dia 225 mm
  • Outer Dia Tolerance -0.011mm to 0
  • Width 35 mm
  • Width Tolerance -0.24mm to 0
  • Ball Dia 23.812 mm
  • Ball Qty 22
  • Contact Angle 15°
  • Tolerance Class P4 (ABEC-7)
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement No
  • Preload Available
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 38700 lbf
  • Static Radial Load 42750 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 9000 rpm
  • Weight 4.17 kg
  • Price（$） 91.719
Super Precision Angular Contact Ball Bearings 7030 CD/P4A dimension drawing
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Features

How Does 7030 CD/P4A Bearing Achieve Super Precision?

7030 CD/P4A Bearing features a 15° contact angle, optimising load distribution for high-precision applications.
Its chrome steel rings and balls ensure durability, while the phenolic cage reduces friction and noise.

With a dynamic radial load capacity of 38,700 lbf, it handles demanding conditions reliably.
The P4 tolerance class (ABEC-7) guarantees exceptional accuracy for critical operations.

Designed for speeds up to 9,000 rpm, it maintains performance without compromising precision.
The open design allows easy lubrication, ensuring smooth operation over extended periods.

Application

Industrial Uses of 7030 CD/P4A Bearing
This bearing is commonly used in high-precision machine tools, where its 15° contact angle helps manage combined radial and axial loads efficiently. The open design and phenolic cage ensure smooth operation even at high speeds.

Where Is 7030 CD/P4A Bearing Used?
You’ll find it in automotive applications like electric motor shafts, where its P4 tolerance class ensures minimal vibration. The chrome steel construction also makes it durable under continuous use.

Built for Heavy-Duty Use: 7030 CD/P4A Bearing
It’s a reliable choice for industrial fans and pumps, thanks to its dynamic radial load capacity of 38,700 lbf. The lubricated design further enhances its performance in demanding environments.

Automotive vs Aerospace: Applications of 7030 CD/P4A Bearing
In automotive systems, it supports gearbox components, while in aerospace, its precision suits actuator mechanisms. The wide temperature range (-30° to 110°C) adds versatility.

Perfect Fit for Automation: 7030 CD/P4A Bearing
This bearing works well in robotic arms and CNC machines, where its high-speed capability (9,000 rpm) and low friction are key. The phenolic cage reduces weight without compromising strength.

Q&A

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