7016 CE/P4ADBB
7000 Series Super Precision Angular Contact Ball Bearings
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Part No.
Part No.
7016 CE/P4ADBB
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
11.112 mm
Ball quantity
25
Performance
Temperature range
- 30°C to 110 °C
Radial dynamic load rating
12442 lbf
Radial static load rating
12600 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
Light / Class B
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 CE/P4ADBB Bearing Product Overview & Core Advantages
The 7016 CE/P4ADBB is a precision angular contact ball bearing designed for applications requiring exceptional rotational accuracy and rigidity. This duplex back-to-back (DB) arrangement bearing set is preloaded to Light / Class B specifications, delivering superior system stiffness and precise shaft positioning. Its primary advantage lies in its ability to handle combined loads—simultaneously supporting significant radial loads and thrust loads in both directions. Manufactured to the stringent P4A tolerance class, it is an ideal solution for high-speed, high-precision machinery where reliability and performance are critical.
7016 CE/P4ADBB Bearing Model Code Explained, Specifications & Naming Convention
The model number 7016 CE/P4ADBB provides detailed technical specifications through its suffixes:
- 7016: Basic bearing designation (80 mm bore, 125 mm OD, 44 mm width).
- C: Denotes a 15° contact angle, optimized for high-speed operation and moderate thrust capacity.
- E: Indicates an optimized internal design, typically featuring a larger ball complement and reinforced raceways for increased load capacity.
- P4A: Specifies the tolerance class, representing very high precision levels for both dimensional and running accuracy.
- DBB: Stands for Duplex Back-to-Back arrangement. This configuration provides high moment rigidity and is excellent for applications with overturning moments.
7016 CE/P4ADBB Bearing Structural Features & Performance Benefits
- High Rigidity & System Stability: The duplex back-to-back (DB) mounting creates a wide, rigid support system that effectively resists moment loads and maintains precise shaft alignment under operation.
- Superior Load Capacity: The 15° contact angle and optimized internal design (E-suffix) enable the bearing to carry substantial combined radial and axial loads from both directions.
- Precision & High-Speed Performance: Built to P4A tolerance class for exceptional running accuracy. The phenolic resin cage is lightweight and robust, contributing to smooth operation and a high limiting speed of 28,000 rpm.
- Durability & Reliability: Manufactured from high-grade chrome steel for both rings and balls, ensuring long service life and consistent performance within a temperature range of -30°C to 110°C.
7016 CE/P4ADBB Bearing Typical Application Areas
This high-precision bearing is engineered for demanding applications, including:
- Machine Tool Spindles: High-speed milling, grinding, and turning centers.
- Precision Gearboxes and Industrial Pumps.
- High-Frequency Motors and Spindles.
- Aerospace & Defense positioning systems and control surface actuators.
- Medical Equipment such as high-speed dental handpieces and imaging scanners.
