S7015 ACE/P4ADBA
Sealed Super Precision Angular Contact Ball Bearings
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Part No.
Part No.
S7015 ACE/P4ADBA
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
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
9.525 mm
Ball quantity
26
Performance
Temperature range
- 30°C to 110 °C
Radial dynamic load rating
9068 lbf
Radial static load rating
9338 lbf
Limiting speed
22 X 1000 rpm
Lubrication
Grease
Matched arrangement
Duplex Back-to-Back (DB)
Number of bearings in matched set
2
Universal matching bearing
No (Standard)
Preload
Extra light / Class A
Materials
Ring material
Chrome Steel
Ball material
Chrome Steel
Cage material
Phenolic
Technical Drawings
No drawings available at the moment, will be launched soon
In Stock
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S7015 ACE/P4ADBA Bearing Product Overview & Core Advantages
The S7015 ACE/P4ADBA is a precision duplex angular contact ball bearing designed for applications requiring exceptional rotational accuracy and rigidity. This matched back-to-back arrangement (DB) with an extra light preload (Class A) is engineered to handle combined radial and axial loads simultaneously. Manufactured to a P4A tolerance class, it delivers superior running accuracy and is ideal for high-speed, high-reliability machinery where uncompromising performance is critical.
S7015 ACE/P4ADBA Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning |
|---|---|
| ACE | 25° Contact Angle and Sealed design. |
| P4A | High precision tolerance class, exceeding ABEC 7 standards for enhanced running accuracy. |
| DB | Duplex Back-to-Back arrangement, providing high rigidity and moment load capacity. |
S7015 ACE/P4ADBA Bearing Structural Features & Performance Benefits
- High Rigidity & Moment Load Capacity: The duplex back-to-back (DB) configuration creates a rigid bearing system that effectively resists moment loads, making it exceptionally stable under complex loading conditions.
- Superior Precision & Smooth Operation: The P4A tolerance class ensures minimal runout and vibration, while the phenolic resin cage contributes to quiet, smooth operation at high speeds with reduced friction.
- Optimized Load Handling: With a 25° contact angle, this bearing is engineered to support significant combined loads, offering a robust solution for demanding applications.
- Long-Term Reliability: The integral seals protect against contamination and retain the factory-applied grease lubrication, ensuring consistent performance and reducing maintenance needs.
S7015 ACE/P4ADBA Bearing Typical Application Areas
This high-precision duplex bearing is ideally suited for:
- Machine Tool Spindles (High-speed milling, grinding)
- Precision Gearboxes
- High-Frequency Motors
- Industrial Pumps and Compressors
- Medical and Laboratory Equipment
