S7008 ACB/P4ADGA
Sealed Super Precision Angular Contact Ball Bearings
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S7008 ACB/P4ADGA Bearing Product Overview & Core Advantages
The S7008 ACB/P4ADGA is a precision angular contact ball bearing designed for demanding applications requiring exceptional rotational accuracy and rigidity. This sealed bearing features an extra light preload (Class A) and is manufactured to P4A tolerance class, ensuring superior running accuracy. Its universal matchable (SU) design allows for flexible mounting in various arrangements to support combined loads, making it an ideal solution for high-speed, high-reliability machinery.
S7008 ACB/P4ADGA Bearing Model Code Explained, Specifications & Naming Convention
- S7008: Basic bearing series and size designation (40mm bore, 68mm OD)
- ACB: Angular Contact Bearing with a 25° contact angle
- P4A: Indicates high precision tolerance class (equivalent to ABEC 7)
- DGA: Signifies the bearing is sealed on both sides and pre-lubricated with grease
S7008 ACB/P4ADGA Bearing Structural Features & Performance Benefits
High Rigidity & Load Capacity: The double-row angular contact design provides superior stiffness and can accommodate significant combined radial and axial loads from both directions simultaneously.
Precision Performance: Manufactured to P4A tolerance standards with an extra light preload, this bearing delivers exceptional running accuracy and minimal vibration for precision applications.
High-Speed Capability: The phenolic resin cage and optimized internal geometry enable high-speed operation up to 41,000 rpm, while the sealed design retains lubrication effectively.
Maintenance-Free Operation: Factory-sealed with high-quality grease, the bearing offers long-term maintenance-free performance and protection against contamination throughout its service life.
S7008 ACB/P4ADGA Bearing Typical Application Areas
This precision angular contact bearing is ideally suited for:
- Machine tool spindles and high-precision machining centers
- High-speed motors and precision gearboxes
- Medical equipment and laboratory instruments
- Robotics and automation systems
- Aerospace components and precision positioning systems
