7030 ACD/P4ADBA
7000 Series Super Precision Angular Contact Ball Bearings
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7030 ACD/P4ADBA Bearing Product Overview & Core Advantages
The 7030 ACD/P4ADBA is a precision duplex angular contact ball bearing designed for applications demanding exceptional rigidity and accuracy. This back-to-back (DB) matched set features an Extra light (Class A) preload, making it ideal for systems requiring minimal deflection under combined loads (radial and axial). Manufactured to P4A tolerance class, it delivers superior running accuracy and is pre-lubricated for immediate operation. Its compact design and high load capacity make it a reliable choice for high-performance machinery.
7030 ACD/P4ADBA Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning |
|---|---|
| AC | Angular Contact design with a 25° contact angle |
| D | Duplex Back-to-Back (DB) arrangement |
| P4A | High precision tolerance class for superior running accuracy |
| DB | Specific designation for the Back-to-Back mounting |
| A | Indicates Extra light preload on the matched set |
7030 ACD/P4ADBA Bearing Structural Features & Performance Benefits
High Rigidity & Load Capacity: The duplex back-to-back configuration creates a rigid bearing system that effectively resists moment loads. This setup provides excellent stability and high rigidity, supporting substantial radial dynamic load ratings of 59,625 lbf and static load ratings of 81,000 lbf.
Precision Engineering: Manufactured to P4A tolerance standards with tight dimensional controls (bore and OD tolerance: -0.004mm to 0), this bearing ensures precise shaft positioning and smooth operation. The phenolic cage offers reduced weight and excellent performance at high speeds.
Optimized Performance: With a 25° contact angle and 22 high-precision chrome steel balls, the bearing efficiently handles combined radial and axial loads. The pre-lubrication and open design allow for customized lubrication regimes in demanding applications.
7030 ACD/P4ADBA Bearing Typical Application Areas
The 7030 ACD/P4ADBA is specifically engineered for high-precision applications including:
- Machine tool spindles and precision grinding equipment
- High-speed machining centers and CNC milling machines
- Precision rotary tables and indexing heads
- Industrial pumps and compressors requiring high rigidity
- Medical equipment and laboratory instrumentation
- Aerospace positioning systems and robotics
