S7015 ACE/HCP4A
Hybrid Ceramic Super Precision Bearings
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Part No.
Part No.
S7015 ACE/HCP4A
Basic Information
System of measurement
Metric
Weight
0.62 kg
Tolerance class
P4 (ABEC-7)
Seal type
Sealed
For load direction
Angular Contact
Main Dimensions
Bore diameter
75 mm
Bore diameter tolerance
-0.007mm to 0
Outside diameter
115 mm
Outside diameter tolerance
-0.008mm 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° to 110 °C
Radial dynamic load rating
5558 lbf
Radial static load rating
4590 lbf
Limiting speed
17 X 1000 rpm
Lubrication
Lubricated
Matched arrangement
Single
Preload
Available
Materials
Ring material
Chrome Steel
Ball material
Ceramic
Cage material
Phenolic
Technical Drawings
No drawings available at the moment, will be launched soon
Price:
$ 724.16
/ each
In Stock
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S7015 ACE/HCP4A Bearing Product Overview & Core Advantages
The S7015 ACE/HCP4A is a high-precision angular contact ball bearing engineered for demanding applications requiring exceptional accuracy and performance. This single-row bearing features a 25° contact angle and is supplied with a preload, ensuring high system rigidity and minimal axial/radial runout. Its construction with ceramic balls and a phenolic cage enables superior high-speed performance and reduced rotational inertia. Designed to accommodate combined loads, it is an ideal solution for high-reliability, high-rotation accuracy machinery.
S7015 ACE/HCP4A Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning |
|---|---|
| S7015 | Standard bearing series designation with 75mm bore diameter. |
| ACE | Specific internal design and clearance for high-precision applications. |
| HC | Hybrid Ceramic: Indicates the use of ceramic balls for enhanced performance. |
| P4A | Specifies a P4 (ABEC-7) tolerance class, denoting ultra-high precision. |
S7015 ACE/HCP4A Bearing Structural Features & Performance Benefits
- High Rigidity & Accuracy: The 25° contact angle and factory-applied preload deliver exceptional system stiffness and rotational accuracy, critical for minimizing deflection under load.
- Superior High-Speed Capability: The combination of ceramic balls (lower density, reduced centrifugal force) and a lightweight phenolic resin cage significantly increases the limiting speed and reduces friction and heat generation.
- Enhanced Durability: Hybrid ceramic construction provides excellent resistance to wear and a longer operational life, especially in challenging environments.
- Precision Engineering: Manufactured to P4 (ABEC-7) tolerance standards, ensuring tight dimensional control for superior running accuracy.
S7015 ACE/HCP4A Bearing Typical Application Areas
This bearing is specifically designed for high-performance applications, including:
- Machine Tool Spindles for CNC milling and grinding machines
- High-frequency Spindles in PCB drilling and routing
- Precision Robotic Arms and joints
- High-speed Medical Equipment centrifuges and dental handpieces
- Advanced Aerospace instrumentation and auxiliary systems
