7016 CD/P4ADBC
7000 Series Super Precision Angular Contact Ball Bearings
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Part No.
Part No.
7016 CD/P4ADBC
Basic Information
System of measurement
Metric
Weight
1.71 kg
Tolerance class
P4A
Seal type
Open
For load direction
Angular Contact
Main Dimensions
Bore diameter
80 mm
Bore diameter tolerance
-0.004mm to 0
Outside diameter
125 mm
Outside diameter tolerance
-0.004mm to 0
Width
44 mm
Width tolerance
-0.2mm to 0
Contact angle
15 °
Ball & Washer Dimensions
Ball diameter
14.288 mm
Ball quantity
20
Performance
Temperature range
- 30°C to 110 °C
Radial dynamic load rating
23850 lbf
Radial static load rating
27450 lbf
Limiting speed
28 X 1000 rpm
Lubrication
Lubricated
Matched arrangement
Duplex Back-to-Back (DB)
Number of bearings in matched set
2
Universal matching bearing
No (Standard)
Preload
Moderate / Class C
Materials
Ring material
Chrome Steel
Ball material
Chrome Steel
Cage material
Phenolic
Technical Drawings
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In Stock
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7016 CD/P4ADBC Bearing Product Overview & Core Advantages
The 7016 CD/P4ADBC is a precision duplex angular contact ball bearing designed for demanding applications requiring exceptional rotational accuracy and rigidity. This matched back-to-back (DB) arrangement provides superior stability under combined loads, effectively managing radial forces and bidirectional axial thrust. With a P4A tolerance class and moderate preload (Class C), it delivers high running accuracy and is optimized for high-speed operation up to 28,000 rpm, making it an ideal choice for high-performance spindles and precision machinery.
7016 CD/P4ADBC Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning |
|---|---|
| CD | Indicates a duplex bearing in a Back-to-Back (DB) arrangement. This configuration provides high moment rigidity and excellent stability. |
| P4A | Specifies a high-precision tolerance class, exceeding ABEC 7 standards, ensuring minimal runout and superior rotational accuracy. |
| DB | Confirms the Back-to-Back mounting of the two bearings in the set, which increases axial and moment load capacity. |
| C | Denotes a moderate preload applied to the bearing set. This reduces deflection under load and optimizes performance for high-speed applications. |
7016 CD/P4ADBC Bearing Structural Features & Performance Benefits
- High Rigidity & Load Capacity: The duplex back-to-back design creates a wide, rigid support system that significantly enhances resistance to moment loads and complex combined loads. With a 15° contact angle, it efficiently supports substantial radial and bidirectional axial loads, evidenced by its high dynamic (23,850 lbf) and static (27,450 lbf) load ratings.
- Precision & High-Speed Performance: Manufactured to P4A tolerance standards, this bearing ensures minimal vibration and precise shaft positioning. The phenolic resin cage is lightweight and robust, contributing to smooth operation and enabling a high limiting speed of 28,000 rpm with reduced centrifugal forces.
- Optimized Material & Construction: Components made from chrome steel offer high hardness and durability. The bearing is pre-lubricated for immediate operation and performs reliably within a temperature range of -30°C to 110°C.
7016 CD/P4ADBC Bearing Typical Application Areas
This bearing is engineered for high-precision, high-speed machinery, including:
- Machine Tool Spindles: For CNC machining centers, grinding spindles, and milling heads.
- High-Frequency Motors: Used in spindles for PCB drilling and precision electric motors.
- Precision Gearboxes: In applications requiring high positional accuracy and low noise.
- Industrial Pumps and Compressors: Where reliable performance under combined loads is critical.
