S7019 ACB/HCP4ADGA
Hybrid Ceramic Super Precision Bearings
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Main Dimensions
Ball & Washer Dimensions
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S7019 ACB/HCP4ADGA Bearing Product Overview & Core Advantages
The S7019 ACB/HCP4ADGA is a precision angular contact ball bearing designed for demanding applications requiring exceptional accuracy and performance. Engineered to a P4A super-precision tolerance class, it delivers outstanding rotational accuracy and dimensional stability. Its universal matchable (SU) design allows for flexible mounting arrangements to handle combined radial and axial loads efficiently. The bearing features a 25° contact angle and utilizes ceramic balls for superior high-speed capability and reduced operational friction, making it ideal for high-reliability, high-rigidity applications.
S7019 ACB/HCP4ADGA Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| S7019 | Basic bearing series designation |
| ACB | Angular Contact Bearing design with a 25° contact angle |
| HCP4A | High-Precision P4A tolerance class and phenolic cage |
| DGA | Sealed design with pre-applied grease lubrication |
S7019 ACB/HCP4ADGA Bearing Structural Features & Performance Benefits
High Rigidity & Load Capacity: The bearing's angular contact design and extra light preload (Class A) provide excellent system rigidity, enabling it to handle significant combined loads with minimal deflection.
Superior High-Speed Performance: The combination of ceramic balls and a lightweight phenolic cage reduces centrifugal forces and friction, allowing for a high limiting speed of 15,000 rpm. This makes it an ideal high-speed bearing solution.
Precision & Durability: Manufactured to P4A tolerance standards with tight dimensional controls on the bore diameter (95 mm), outside diameter (145 mm), and width (48 mm), ensuring consistent performance and long service life in precision machinery.
Maintenance-Free Operation: The sealed design and factory-applied grease lubrication protect against contamination and provide reliable operation across a wide temperature range (-30°C to 110°C), reducing maintenance requirements.
S7019 ACB/HCP4ADGA Bearing Typical Application Areas
The S7019 ACB/HCP4ADGA is ideally suited for high-performance applications including:
- Machine Tool Spindles
- High-Speed Machining Centers
- Precision Grinding Spindles
- Industrial Pumps and Compressors
- Robotic Drives and Actuators
- Aerospace Control Systems
- Medical and Laboratory Equipment
