S7015 ACEGB/P4A
Sealed Super Precision Angular Contact Ball Bearings
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Part No.
Part No.
S7015 ACEGB/P4A
Basic Information
System of measurement
Metric
Weight
0.67 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
20 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
5558 lbf
Radial static load rating
4590 lbf
Limiting speed
28 X 1000 rpm
Lubrication
Grease
Matched arrangement
Single
Number of bearings in matched set
4
Universal matching bearing
Universal Matchable (SU)
Preload
Light / Class B
Materials
Ring material
Chrome Steel
Ball material
Chrome Steel
Cage material
Phenolic
Technical Drawings
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In Stock
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S7015 ACEGB/P4A Bearing Product Overview & Core Advantages
The S7015 ACEGB/P4A is a precision angular contact ball bearing designed for applications demanding exceptional accuracy and reliability. Engineered to a P4A tolerance class, it offers superior running accuracy. Its 25° contact angle and light preload (Class B) make it ideally suited for handling combined loads, efficiently supporting both radial and axial forces. The sealed design with phenolic cage ensures high-speed performance and consistent operation, making it a compact and robust solution for high-precision machinery.
S7015 ACEGB/P4A Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning |
|---|---|
| AC | Angular Contact design with a 25° contact angle. |
| E | Optimized internal design for high capacity and performance. |
| GB | Universal Matchable (SU) bearing, supplied in a set of 4 for precise preload arrangement. |
| P4A | High precision tolerance class, ensuring extremely tight dimensional and running accuracy. |
S7015 ACEGB/P4A Bearing Structural Features & Performance Benefits
- High Rigidity and Load Capacity: The angular contact design and light preload provide excellent rigidity, enabling the bearing to handle significant combined radial and axial loads with high stability.
- High-Speed Capability: The phenolic resin cage is lightweight and robust, contributing to a high limiting speed of 28,000 rpm. This makes it an ideal high-speed bearing for demanding applications.
- Precision Performance: Manufactured to P4A tolerance standards with a bore and outside diameter tolerance of -0.004mm to 0, this bearing guarantees superior running accuracy and minimal vibration.
- Sealed and Lubricated for Life: The sealed construction protects against contamination, and the bearing is pre-lubricated with grease, offering a wide operating temperature range from -30°C to 110°C for long-term, maintenance-free operation.
S7015 ACEGB/P4A Bearing Typical Application Areas
This precision bearing is commonly specified in high-performance equipment, including:
- Machine Tool Spindles
- High-Frequency Motors
- Precision Grinding Spindles
- Medical and Dental Equipment
- Aerospace Control Systems
