7019 ACE/P4A
7000 Series Super Precision Angular Contact Ball Bearings
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Part No.
Part No.
7019 ACE/P4A
Basic Information
System of measurement
Metric
Weight
1.21 kg
Tolerance class
P4 (ABEC-7)
Seal type
Open
For load direction
Angular Contact
Main Dimensions
Bore diameter
95 mm
Bore diameter tolerance
-0.008mm to 0
Outside diameter
145 mm
Outside diameter tolerance
-0.009mm to 0
Width
24 mm
Width tolerance
-0.2mm to 0
Contact angle
25 °
Ball & Washer Dimensions
Ball diameter
12.7 mm
Ball quantity
26
Performance
Temperature range
-30° to 110 °C
Radial dynamic load rating
9360 lbf
Radial static load rating
8100 lbf
Limiting speed
18 X 1000 rpm
Lubrication
Lubricated
Matched arrangement
Single
Preload
Available
Materials
Ring material
Chrome Steel
Ball material
Chrome Steel
Cage material
Phenolic
Technical Drawings
No drawings available at the moment, will be launched soon
Price:
$ 1039.66
/ each
In Stock
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7019 ACE/P4A Bearing Product Overview & Core Advantages
The 7019 ACE/P4A is a single-row angular contact ball bearing engineered for applications demanding exceptional precision and rigidity. This P4 (ABEC-7) tolerance class bearing is designed to accommodate high combined loads, primarily thrust loads in one direction, while also supporting significant radial loads. Its key advantages include high operational accuracy, superior stiffness due to the 25° contact angle, and optimized performance for high-speed applications. The phenolic cage and factory-applied lubrication ensure reliable operation, making it an ideal choice for high-reliability, precision machinery.
7019 ACE/P4A Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 7019 | Basic bearing series, defining the standard bearing dimensions (95mm bore, 145mm OD, 24mm width). |
| ACE | Designates a 25° contact angle and enhanced internal design for higher speed and load capacity. |
| P4A | Indicates a P4 (ABEC-7) tolerance class with specific running accuracy requirements for precision applications. |
7019 ACE/P4A Bearing Structural Features & Performance Benefits
- High Rigidity & Load Capacity: The 25° contact angle and optimized raceway geometry provide high axial and radial stiffness, enabling the bearing to handle significant combined loads.
- Precision & High-Speed Performance: Manufactured to P4 tolerance standards with a lightweight phenolic cage, this bearing achieves a high limiting speed of 18,000 rpm while maintaining running accuracy.
- Optimized Internal Design: Features 26 high-grade chrome steel balls of 12.7mm diameter for high dynamic load capacity (9,360 lbf) and long service life.
- Preload & Precision: The bearing is supplied with a preload, ensuring minimal axial play and enhanced system rigidity for demanding applications.
7019 ACE/P4A Bearing Typical Application Areas
This precision angular contact bearing is ideally suited for:
- Machine Tool Spindles
- High-Frequency Motors
- Precision Grinding Spindles
- Industrial Pumps & Compressors
- Robotic Arm Joints & Precision Positioning Systems
