7003 CD/P4ADGC

7000 Series Super Precision Angular Contact Ball Bearings

7003 CD/P4ADGC 7000 Series Super Precision Angular Contact Ball Bearings
7003 CD/P4ADGC 7000 Series Super Precision Angular Contact Ball Bearings

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Part No.
Part No. 7003 CD/P4ADGC

Basic Information

System of measurement Metric
Weight 0.076 kg
Tolerance class P4A
Seal type Open
For load direction Angular Contact

Main Dimensions

Bore diameter 17 mm
Bore diameter tolerance -0.004mm to 0
Outside diameter 35 mm
Outside diameter tolerance -0.004mm to 0
Width 20 mm
Width tolerance -0.2mm to 0
Contact angle 15 °

Ball & Washer Dimensions

Ball diameter 5.556 mm
Ball quantity 12

Performance

Temperature range - 30°C to 110 °C
Radial dynamic load rating 2498 lbf
Radial static load rating 1474 lbf
Limiting speed 121 X 1000 rpm
Lubrication Lubricated
Matched arrangement Universal Matchable (SU)
Number of bearings in matched set 2
Universal matching bearing Universal Matchable (SU)
Preload Moderate / Class C

Materials

Ring material Chrome Steel
Ball material Chrome Steel
Cage material Phenolic
Technical Drawings No drawings available at the moment, will be launched soon
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7003 CD/P4ADGC Bearing Product Overview & Core Advantages

The 7003 CD/P4ADGC is a precision angular contact ball bearing designed for applications demanding exceptional rotational accuracy and rigidity. As a universal matchable (SU) bearing supplied in moderate preload (Class C), it delivers optimized performance in high-speed operations while accommodating combined radial and axial loads. Manufactured to P4A tolerance class with a 15° contact angle, this bearing offers superior running accuracy and stability for critical machinery applications.

7003 CD/P4ADGC Bearing Model Code Explained, Specifications & Naming Convention

Suffix Code Technical Meaning Performance Benefit
CD 15° contact angle, universal matchable design Optimized for combined loads and high-speed operation
P4A High precision tolerance class Exceptional running accuracy and minimal vibration
DGC Moderate preload (Class C) Enhanced rigidity and precise shaft positioning

7003 CD/P4ADGC Bearing Structural Features & Performance Benefits

High Precision Construction: Manufactured to P4A tolerance standards with tight dimensional controls (bore: -0.004mm to 0, OD: -0.004mm to 0) ensuring consistent performance in precision applications.

Optimized Load Capacity: The 15° contact angle and 12 chrome steel balls provide excellent combined load capacity (dynamic: 2498 lbf, static: 1474 lbf) while maintaining high-speed capability.

High-Speed Performance: The phenolic cage and optimized internal geometry enable limiting speeds of 121,000 rpm, making it ideal for high-speed spindle applications.

Thermal Stability: Operating temperature range of -30°C to 110°C ensures reliable performance across various environmental conditions.

7003 CD/P4ADGC Bearing Typical Application Areas

  • Machine Tool Spindles: High-precision machining centers and grinding spindles
  • High-Speed Motors: Precision electric motors and servo drives
  • Medical Equipment: Dental handpieces and surgical tools
  • Aerospace Systems: Guidance systems and instrumentation
  • Robotics: Precision joints and positioning mechanisms
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