7013 ACE/HCP4ADGA
Hybrid Ceramic Super Precision Bearings
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Part No.
Part No.
7013 ACE/HCP4ADGA
Basic Information
System of measurement
Metric
Weight
0.78 kg
Tolerance class
P4A
Seal type
Open
For load direction
Angular Contact
Main Dimensions
Bore diameter
65 mm
Bore diameter tolerance
-0.004mm to 0
Outside diameter
100 mm
Outside diameter tolerance
-0.004mm to 0
Width
36 mm
Width tolerance
-0.2mm to 0
Contact angle
25 °
Ball & Washer Dimensions
Ball diameter
8.731 mm
Ball quantity
25
Performance
Temperature range
- 30°C to 110 °C
Radial dynamic load rating
7020 lbf
Radial static load rating
6525 lbf
Limiting speed
24 X 1000 rpm
Lubrication
Lubricated
Matched arrangement
Universal Matchable (SU)
Number of bearings in matched set
2
Universal matching bearing
Universal Matchable (SU)
Preload
Extra light / Class A
Materials
Ring material
Chrome Steel
Ball material
Ceramic
Cage material
Phenolic
Technical Drawings
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7013 ACE/HCP4ADGA Bearing Product Overview & Core Advantages
The 7013 ACE/HCP4ADGA is a high-precision angular contact ball bearing engineered for demanding applications requiring exceptional accuracy and performance. This universal matchable bearing is designed to accommodate combined loads (radial and axial) simultaneously. Its ceramic ball construction and P4A super-precision tolerance deliver superior high-speed capability and rigidity, making it ideal for high-reliability spindles and precision machinery. The phenolic cage and pre-lubrication ensure smooth operation at the specified limiting speed.
7013 ACE/HCP4ADGA Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 7013 | Standard bore diameter (65 mm) & series designation. |
| ACE | Specific internal design, optimized for high-speed and high-precision performance. |
| HC | Hybrid Ceramic: Features ceramic balls for reduced friction, higher speed, and longer life. |
| P4A | Tolerance Class P4A: Denotes super-precision grade with extremely tight dimensional and running accuracy tolerances. |
| DGA | Universal Matchable (SU): Bearings are universally matchable in any combination (DB, DF, DT) without pre-load loss. |
7013 ACE/HCP4ADGA Bearing Structural Features & Performance Benefits
- Hybrid Ceramic Design: The use of ceramic balls significantly reduces centrifugal forces, lowers operating temperature, and enables higher limiting speeds compared to all-steel bearings. This results in extended service life and improved reliability.
- Super-Precision P4A Tolerance: Manufactured to the tightest industry standards, this bearing ensures minimal runout and vibration, which is critical for achieving high levels of machining accuracy and surface finish.
- Phenolic Resin Cage: This lightweight and robust cage material offers excellent dimensional stability and guidance at high speeds, contributing to smooth and quiet operation.
- 25° Contact Angle & Universal Matchability: The 25° contact angle provides an optimal balance between radial and axial load capacity. The universal matchable (SU) feature allows for flexible mounting arrangements (back-to-back, face-to-face, or tandem) to suit specific stiffness and load requirements, simplifying inventory and assembly.
- Pre-lubrication: The bearing is factory-lubricated for immediate use, reducing initial setup time and ensuring optimal performance from the first rotation.
7013 ACE/HCP4ADGA Bearing Typical Application Areas
- Machine Tool Spindles: High-speed milling, grinding, and turning centers.
- Precision Robotics: High-accuracy joints and rotary actuators.
- Medical Equipment: Dental handpieces, centrifuges, and imaging scanners.
- Aerospace & Defense Systems: Gyroscopes, radar systems, and navigation equipment.
- High-Frequency Motors and Spindles: Where minimal vibration and maximum rotational accuracy are paramount.
