S7013 ACB/HCP4ATGA
Hybrid Ceramic Super Precision Bearings
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Part No.
Part No.
S7013 ACB/HCP4ATGA
Basic Information
System of measurement
Metric
Weight
1.34 kg
Tolerance class
P4A
Seal type
Sealed
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
54 mm
Width tolerance
-0.2mm to 0
Contact angle
25 °
Ball & Washer Dimensions
Ball diameter
7.144 mm
Ball quantity
27
Performance
Temperature range
- 30°C to 110 °C
Radial dynamic load rating
7178 lbf
Radial static load rating
8212 lbf
Limiting speed
32.5 X 1000 rpm
Lubrication
Grease
Matched arrangement
Universal Matchable (SU)
Number of bearings in matched set
3
Universal matching bearing
Universal Matchable (SU)
Preload
Extra light / Class A
Materials
Ring material
Chrome Steel
Ball material
Ceramic
Cage material
Phenolic
Technical Drawings
No drawings available at the moment, will be launched soon
In Stock
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S7013 ACB/HCP4ATGA Bearing Product Overview & Core Advantages
The S7013 ACB/HCP4ATGA is a high-precision angular contact ball bearing designed for demanding applications requiring exceptional rotational accuracy and rigidity. This universal matchable bearing features a 25° contact angle and is supplied in a preloaded set of three, enabling it to handle combined radial and axial loads simultaneously. Manufactured to P4A tolerance class with ceramic balls and a phenolic cage, it delivers superior high-speed performance, extended service life, and reliable operation in precision machinery.
S7013 ACB/HCP4ATGA Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning |
|---|---|
| ACB | Angular Contact Bearing, 25° contact angle |
| HCP4A | High-Precision P4A tolerance class with specific internal design enhancements |
| T | Phenolic (textile) cage |
| GA | Grease lubrication, pre-applied |
S7013 ACB/HCP4ATGA Bearing Structural Features & Performance Benefits
- High Rigidity & Precision: The P4A tolerance class ensures extremely tight dimensional control, while the universal matching (SU) design of three bearings provides exceptional system rigidity and running accuracy.
- Superior High-Speed Capability: The combination of a lightweight phenolic cage and ceramic balls significantly reduces centrifugal forces, enabling a high limiting speed of 32,500 rpm and reducing operational friction and heat generation.
- Extended Service Life: Ceramic ball material offers superior wear resistance, lower density, and electrical insulation properties, contributing to a longer operational lifespan even under demanding conditions.
- Pre-optimized Performance: Supplied as a preloaded set (Extra light / Class A preload), these bearings are ready for installation, eliminating the need for complex adjustment and ensuring immediate, consistent performance.
S7013 ACB/HCP4ATGA Bearing Typical Application Areas
This bearing is ideally suited for high-precision, high-speed applications, including:
- Machine Tool Spindles for milling, grinding, and turning centers
- High-Frequency Motors and precision spindles
- Aerospace & Defense instrumentation and control systems
- Medical Equipment such as high-speed dental handpieces and imaging devices
- Precision Pumps and compressors requiring minimal vibration
