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Super Precision Angular Contact Ball Bearings 7030 ACD/P4ADGB

Super Precision Angular Contact Ball Bearings 7030 ACD/P4ADGB

The 7030 ACD/P4ADGB 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 59,625 lbf and operates smoothly at speeds up to 11,000 RPM.

With a 25° contact angle and universal matching design, it offers flexibility for back-to-back, face-to-face, or tandem arrangements. The phenolic cage ensures durability and reduced friction.

This bearing is preloaded for light use (Class B) and works in temperatures from -30°C to 110°C. Ideal for high-precision applications like machine tool spindles or industrial robotics.

Weighing 8.35kg, it comes as a matched set of two bearings, interchangeable with SKF models for easy replacement. Compliant with P4A tolerance standards for reliable performance.

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Product Parameters

  • Part Number 7030 ACD/P4ADGB
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 150 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 225 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 70 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 23.812 mm
  • Ball Qty 22
  • Contact Angle 25°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement Universal matching
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing Yes, back-to-back (<>), face-to-face (><) or tandem (>>)
  • Preload Light / Class B
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 59625 lbf
  • Static Radial Load 81000 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 11000 rpm
  • Weight 8.35 kg
  • Price（$） 1769.535
Super Precision Angular Contact Ball Bearings 7030 ACD/P4ADGB dimension drawing
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Features

Performance Features of 7030 ACD/P4ADGB Bearing

7030 ACD/P4ADGB Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls ensure durability under high dynamic radial loads up to 59,625 lbf.

The phenolic cage in 7030 ACD/P4ADGB Bearing reduces friction, allowing smooth operation at speeds up to 11,000 rpm.
Universal matching capability offers flexibility in back-to-back, face-to-face, or tandem arrangements.

With a P4A tolerance class, 7030 ACD/P4ADGB Bearing maintains precision even in demanding conditions.
Its open design simplifies lubrication, ensuring consistent performance between -30°C to 110°C.

The 70 mm width and 150 mm bore provide a compact yet robust solution for high-precision machinery.
Weighing 8.35 kg, it balances strength and manageability in industrial applications.

Application

Industrial Uses of 7030 ACD/P4ADGB Bearing
This bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The universal matching feature allows for flexible arrangements in complex setups.

Where Is 7030 ACD/P4ADGB Bearing Used?
You’ll find it in automotive transmissions, where the light preload and phenolic cage reduce friction and noise. Its 25° contact angle handles combined radial and axial loads efficiently.

Built for Heavy-Duty Use: 7030 ACD/P4ADGB Bearing
It’s a solid choice for industrial pumps, thanks to its chrome steel construction and P4A tolerance class. The lubricated design ensures smooth operation even at high speeds.

Automotive vs Aerospace: Applications of 7030 ACD/P4ADGB Bearing
In cars, it supports gearbox shafts, while in aircraft, it’s used in landing gear systems. The tandem arrangement option makes it versatile for different load requirements.

Perfect Fit for Automation: 7030 ACD/P4ADGB Bearing
Robotic arms benefit from its precision and low friction, ensuring smooth movement. The open seal type allows for easy relubrication in high-cycle applications.

Q&A

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