S71914 ACB/HCP4A
Hybrid Ceramic Super Precision Bearings
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Part No.
Part No.
S71914 ACB/HCP4A
Basic Information
System of measurement
Metric
Weight
0.34 kg
Tolerance class
P4 (ABEC-7)
Seal type
Sealed
For load direction
Angular Contact
Main Dimensions
Bore diameter
70 mm
Bore diameter tolerance
-0.007mm to 0
Outside diameter
100 mm
Outside diameter tolerance
-0.008mm to 0
Width
16 mm
Width tolerance
-0.2mm to 0
Contact angle
25 °
Ball & Washer Dimensions
Ball diameter
6.35 mm
Ball quantity
32
Performance
Temperature range
-30° to 110 °C
Radial dynamic load rating
2925 lbf
Radial static load rating
2655 lbf
Limiting speed
19 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:
$ 850.14
/ each
In Stock
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S71914 ACB/HCP4A Bearing Product Overview & Core Advantages
The S71914 ACB/HCP4A is a high-precision angular contact ball bearing engineered for demanding applications requiring exceptional accuracy and reliability. This sealed single bearing is distinguished by its ceramic ball material and P4 (ABEC-7) tolerance class, ensuring superior performance. Its primary advantage lies in its ability to accommodate combined loads (radial and axial) simultaneously, making it an ideal choice for high-rigidity, high-speed spindle systems where precision is paramount.
S71914 ACB/HCP4A Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| S71914 | Denotes the bearing series and size (70mm bore, 100mm OD, 16mm width). |
| ACB | Indicates a 25° contact angle and specific internal design optimized for high rigidity and speed. |
| HCP4A | Signifies Hybrid Ceramic balls (C), a Phenolic cage (P), and a P4 precision class. The "A" indicates a specific internal clearance or preload. |
S71914 ACB/HCP4A Bearing Structural Features & Performance Benefits
- High Rigidity and Load Capacity: The 25° contact angle and robust construction enable the bearing to handle significant combined loads, providing stable and precise rotational performance.
- Superior High-Speed Performance: The combination of lightweight ceramic balls and a phenolic resin cage reduces centrifugal forces and friction, allowing for a high limiting speed of 19,000 rpm.
- Enhanced Durability and Longevity: Ceramic balls offer superior wear resistance, lower thermal expansion, and electrical insulation properties compared to standard steel balls, significantly extending bearing service life.
- Precision Operation: Manufactured to a P4 (ABEC-7) tolerance class with tight dimensional tolerances, this bearing ensures minimal runout and vibration for ultra-precise applications.
- Maintenance-Free Operation: The sealed design and factory-applied lubrication protect against contamination and provide long-term, maintenance-free performance within the specified temperature range.
S71914 ACB/HCP4A Bearing Typical Application Areas
This bearing is ideally suited for high-performance machinery where precision, speed, and reliability are critical. Key applications include:
- Machine Tool Spindles (High-speed machining centers, grinding spindles)
- Precision Instrumentation
- High-Frequency Motors and Spindles
- Medical Equipment (e.g., Dental handpieces)
- Aerospace Actuation Systems
