7015 ACD/P4ADBC
7000 Series Super Precision Angular Contact Ball Bearings
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Part No.
Part No.
7015 ACD/P4ADBC
Basic Information
System of measurement
Metric
Weight
1.26 kg
Tolerance class
P4A
Seal type
Open
For load direction
Angular Contact
Main Dimensions
Bore diameter
75 mm
Bore diameter tolerance
-0.004mm to 0
Outside diameter
115 mm
Outside diameter tolerance
-0.004mm to 0
Width
40 mm
Width tolerance
-0.2mm to 0
Contact angle
25 °
Ball & Washer Dimensions
Ball diameter
12.7 mm
Ball quantity
20
Performance
Temperature range
- 30°C to 110 °C
Radial dynamic load rating
18135 lbf
Radial static load rating
20925 lbf
Limiting speed
28 X 1000 rpm
Lubrication
Lubricated
Matched arrangement
Duplex Back-to-Back (DB)
Number of bearings in matched set
2
Universal matching bearing
No (Standard)
Preload
Moderate / Class C
Materials
Ring material
Chrome Steel
Ball material
Chrome Steel
Cage material
Phenolic
Technical Drawings
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In Stock
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7015 ACD/P4ADBC Bearing Product Overview & Core Advantages
The 7015 ACD/P4ADBC is a precision duplex angular contact ball bearing designed for demanding applications requiring exceptional rigidity and accuracy. This metric bearing features a back-to-back (DB) matched arrangement and is preloaded to Moderate / Class C, delivering superior stability under combined loads. Its P4A tolerance class ensures high running accuracy, making it ideal for high-speed spindles and other precision machinery where uncompromising performance is critical.
7015 ACD/P4ADBC Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning |
|---|---|
| ACD | Angular Contact Design with a 25° contact angle, optimized for high axial load capacity. |
| P4A | High precision tolerance class exceeding ABEC 7, ensuring minimal runout and vibration. |
| DB | Duplex Back-to-Back arrangement, providing high moment stiffness and excellent combined load handling. |
7015 ACD/P4ADBC Bearing Structural Features & Performance Benefits
- High Rigidity & Stability: The back-to-back duplex design and moderate preload create a highly rigid bearing system that effectively resists moment loads and deflection, crucial for maintaining precision under heavy combined loads.
- Superior Load Capacity: With a 25° contact angle and robust construction, this bearing excels at supporting significant radial and axial loads simultaneously.
- Optimized High-Speed Performance: The lightweight phenolic cage reduces centrifugal forces, while the precision-ground chrome steel components contribute to a high limiting speed of 28,000 rpm, making it a true high-speed bearing.
- Precision & Longevity: Manufactured to P4A tolerance standards with a narrow bore and outside diameter tolerance of -0.004mm to 0, ensuring smooth, quiet operation and extended service life in precision applications.
7015 ACD/P4ADBC Bearing Typical Application Areas
This bearing is engineered for high-performance applications, including:
- Machine Tool Spindles (High-speed milling, grinding)
- Precision Gearboxes
- High-Frequency Motors
- Industrial Pumps and Compressors
- Medical and Laboratory Equipment
