S7015 ACD/HCP4A
Hybrid Ceramic Super Precision Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
S7015 ACD/HCP4A
Basic Information
System of measurement
Metric
Weight
0.54 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
12.7 mm
Ball quantity
20
Performance
Temperature range
-30° to 110 °C
Radial dynamic load rating
11115 lbf
Radial static load rating
10462 lbf
Limiting speed
13 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:
$ 723.72
/ each
In Stock
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S7015 ACD/HCP4A Bearing Product Overview & Core Advantages
The S7015 ACD/HCP4A is a high-precision angular contact ball bearing engineered for demanding applications requiring exceptional speed, rigidity, and accuracy. Its design is optimized to handle combined loads, accommodating significant radial and axial forces simultaneously. Manufactured to a P4 (ABEC-7) tolerance class and featuring a ceramic ball and phenolic cage construction, this bearing delivers superior performance in high-speed and high-temperature environments. Its compact bearing dimensions (75mm bore, 115mm OD, 20mm width) make it an ideal, space-saving solution for precision machinery.
S7015 ACD/HCP4A Bearing Model Code Explained, Specifications & Naming Convention
The model number S7015 ACD/HCP4A provides detailed technical specifications:
- S70: Denotes a high-precision angular contact ball bearing series.
- 15: Indicates a bore diameter of 75 mm (15 x 5 = 75).
- ACD: Signifies a 25° contact angle and a specific internal design optimized for high rigidity and matched preload.
- HCP4A: A compound suffix where:
- HC: Indicates the use of Hybrid Ceramic balls (Silicon Nitride).
- P4: Specifies the tolerance class P4 (ABEC-7), ensuring ultra-precision.
- A: Denotes a specific internal clearance or preload grade.
S7015 ACD/HCP4A Bearing Structural Features & Performance Benefits
- Hybrid Ceramic Construction: The combination of chrome steel rings and ceramic balls significantly reduces friction, heat generation, and wear. This extends service life and allows for higher limiting speeds (13,000 rpm) compared to all-steel equivalents.
- Phenolic Resin Cage: The lightweight and robust phenolic cage provides excellent dimensional stability and low friction at high rotational speeds, contributing to smooth operation and reduced vibration.
- High Rigidity & Load Capacity: The 25° contact angle and optimized raceway geometry provide high rigidity, enabling the bearing to withstand substantial combined loads (Radial Dynamic: 11,115 lbf, Static: 10,462 lbf).
- Precision & Reliability: Manufactured to P4 tolerance with precise bore and outside diameter tolerances, this bearing ensures minimal runout and consistent performance in high-precision applications.
- Pre-lubricated & Sealed: The bearing comes lubricated and sealed for protection against contamination, offering long-term, maintenance-free operation within a wide temperature range of -30°C to 110°C.
S7015 ACD/HCP4A Bearing Typical Application Areas
This precision bearing is ideally suited for high-performance applications, including:
- Machine Tool Spindles: High-speed machining centers and grinding spindles.
- High-Frequency Motors & Spindles: Motors requiring extreme rotational accuracy and speed.
- Aerospace & Defense Systems: Gyroscopes, navigation systems, and auxiliary power units.
- Medical Equipment: High-speed dental handpieces and laboratory centrifuges.
- Precision Instrumentation: Measuring and testing equipment demanding the highest levels of accuracy.
