S7016 CDGA/P4A
Sealed Super Precision Angular Contact Ball Bearings
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Basic Information
Main Dimensions
Ball & Washer Dimensions
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Materials
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S7016 CDGA/P4A Bearing Product Overview & Core Advantages
The S7016 CDGA/P4A is a super-precision angular contact ball bearing designed for the most demanding high-speed and high-rigidity applications. As a single bearing with a 15° contact angle and Extra Light (A) preload, it delivers exceptional rotational accuracy and minimal runout. Its P4A tolerance class ensures superior dimensional and running accuracy, making it ideal for machine tool spindles and other precision equipment where uncompromising performance is required. This bearing is also Universal Matchable (SU), allowing for precise axial preload control when mounted in sets.
Model Code Breakdown
| Code Segment | Technical Meaning |
|---|---|
| S7016 | Super-precision bearing series with 80 mm bore diameter. |
| C | 15° nominal contact angle. |
| DG | Universal Matchable (SU) bearing, designed to be mounted in pairs or triples. |
| A | Extra Light preload classification. |
| P4A | Tolerance class superior to ABEC 7, specifying extremely tight dimensional and running accuracy limits. |
S7016 CDGA/P4A Bearing Structural Features & Performance Benefits
High Rigidity and Precision: The phenolic resin cage offers excellent dimensional stability and low friction, contributing to smooth operation at high speeds. Combined with the P4A tolerance class and chrome steel components, this bearing provides the high rigidity and minimal deflection required for precision spindle applications.
Optimized Load Capacity: The 15° contact angle is engineered to support significant combined loads (radial and axial), making it highly effective for applications with complex loading conditions.
Superior High-Speed Performance: The lightweight phenolic cage and optimized internal geometry enable a high limiting speed of 28,000 rpm. The bearing is pre-lubricated with grease suitable for a wide temperature range (-30°C to 110°C).
Sealed and Ready-to-Use: As a sealed bearing, it is protected from contamination and its factory-applied lubrication makes it a maintenance-free solution for the life of many applications.
S7016 CDGA/P4A Bearing Typical Application Areas
- Machine Tool Spindles: High-speed milling, grinding, and turning centers.
- Precision Drives: High-frequency motors and spindles.
- Aerospace Equipment: Gyroscopes, navigation systems, and auxiliary power units.
- Medical Devices: Dental handpieces and high-speed surgical tools.
- Test and Measurement Equipment: Where extreme rotational accuracy is mandatory.
