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Super Precision Angular Contact Ball Bearings 7203 ACD/P4ADBC
Super Precision Angular Contact Ball Bearings 7203 ACD/P4ADBC

Super Precision Angular Contact Ball Bearings 7203 ACD/P4ADBC

The 7203 ACD/P4ADBC is a super precision angular contact ball bearing with a 17mm bore and 40mm outer diameter, crafted from durable chrome steel. It handles radial loads up to 3285 lbf and spins smoothly at speeds up to 121,000 RPM.

With a 25° contact angle and moderate preload, it offers excellent stability for angular loads. The phenolic cage ensures quiet operation and long service life, even in demanding conditions.

This matched set of two bearings (DB arrangement) is ideal for high-precision applications like machine tool spindles or robotics. It operates reliably in temperatures from -30°C to 110°C.

Weighing just 0.13kg, it’s lightweight yet robust. The open design allows easy lubrication, while the P4A tolerance class guarantees precision performance. Interchangeable with SKF bearings for convenient replacements.

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Product Parameters

  • Part Number 7203 ACD/P4ADBC
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 17 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 40 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 24 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 7.144 mm
  • Ball Qty 10
  • Contact Angle 25°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • 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 3285 lbf
  • Static Radial Load 1800 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 121000 rpm
  • Weight 0.13 kg

Features

Why Choose 7203 ACD/P4ADBC Bearing for Precision Tasks?

7203 ACD/P4ADBC Bearing features a 25° contact angle, ideal for handling combined radial and axial loads with precision.
Its chrome steel rings and balls ensure durability, while the phenolic cage reduces friction for smoother operation.

The P4A tolerance class guarantees high accuracy, making it suitable for demanding applications.
With a maximum speed of 121,000 rpm, it delivers reliable performance in high-speed scenarios.

Moderate preload (Class C) enhances stability, reducing vibration and noise.
The matched arrangement of two bearings (DB) further improves load distribution and rigidity.

Application

Industrial Uses of 7203 ACD/P4ADBC Bearing
7203 ACD/P4ADBC Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The moderate preload helps maintain stability during heavy cutting operations.

In automotive applications, 7203 ACD/P4ADBC Bearing supports high-speed components like turbochargers and transmission systems. Its phenolic cage offers quiet operation, ideal for reducing noise in passenger vehicles.

For robotics, 7203 ACD/P4ADBC Bearing provides smooth motion in articulated arms and joints, thanks to its matched pair configuration. The P4A tolerance class ensures consistent performance in repetitive tasks.

Where Is 7203 ACD/P4ADBC Bearing Used?
You’ll find 7203 ACD/P4ADBC Bearing in medical imaging devices, where its precision and low friction are crucial for clear scans. The chrome steel construction also resists wear in sterile environments.

In consumer electronics, 7203 ACD/P4ADBC Bearing is often used in high-speed printers and scanners. Its lubricated design ensures long service life without frequent maintenance.

Built for Heavy-Duty Use: 7203 ACD/P4ADBC Bearing
7203 ACD/P4ADBC Bearing handles radial and axial loads in industrial pumps, making it a reliable choice for harsh environments. The open seal design allows for easy relubrication during downtime.

For automation systems, 7203 ACD/P4ADBC Bearing’s high-speed capability suits conveyor belts and sorting machines. The matched bearing set reduces alignment issues in assembly lines.

Automotive vs Aerospace: Applications of 7203 ACD/P4ADBC Bearing
In cars, 7203 ACD/P4ADBC Bearing is favoured for wheel hubs due to its balanced load capacity. The temperature range ensures performance in both hot and cold climates.

Aerospace applications benefit from 7203 ACD/P4ADBC Bearing’s precision in flight control systems. The lightweight phenolic cage helps reduce overall aircraft weight.

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