7219 ACD/P4A
7200 & 7300 Series Super Precision Angular Contact Ball Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
7219 ACD/P4A
Basic Information
System of measurement
Metric
Weight
2.7 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
170 mm
Outside diameter tolerance
-0.01mm to 0
Width
32 mm
Width tolerance
-0.24mm to 0
Contact angle
25 °
Ball & Washer Dimensions
Ball diameter
23.812 mm
Ball quantity
15
Performance
Temperature range
-30° to 110 °C
Radial dynamic load rating
29925 lbf
Radial static load rating
25650 lbf
Limiting speed
12 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:
$ 1333.37
/ each
In Stock
- Fast delivery
- Free shipping on orders over $200
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
7219 ACD/P4A Bearing Product Overview & Core Advantages
The 7219 ACD/P4A is a high-precision single row angular contact ball bearing designed for applications demanding exceptional rotational accuracy and rigidity. Engineered to simultaneously support combined radial and axial loads, this bearing features a 25° contact angle optimized for high axial load capacity. Its P4 (ABEC-7) super-precision tolerance class ensures minimal runout and vibration, making it ideal for high-speed spindles and other precision machinery. The phenolic resin cage and pre-lubrication contribute to its reliable performance in demanding operational conditions.
7219 ACD/P4A Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning | Significance & Benefit |
|---|---|---|
| ACD | 25° Contact Angle | Optimized for high axial load capacity and high rigidity. |
| P4A | P4 (ABEC-7) Tolerance Class | Guarantees superior running accuracy, low noise, and minimal vibration for high-speed applications. |
7219 ACD/P4A Bearing Structural Features & Performance Benefits
- High Rigidity & Load Capacity: The optimized 25° contact angle and robust construction enable the bearing to handle significant combined radial and axial loads with high system rigidity.
- High-Speed Performance: The lightweight phenolic resin cage ensures excellent dimensional stability and low friction, contributing to the high limiting speed of 12,000 rpm. This makes it a true high-speed bearing.
- Precision & Accuracy: Manufactured to P4 tolerance class, this bearing guarantees tight dimensional control, resulting in superior running accuracy essential for precision spindles.
- Pre-Lubricated & Open Design: The bearing comes pre-lubricated for immediate use. The open design allows for custom lubrication schemes to suit specific application needs and high-temperature operation up to 110°C.
7219 ACD/P4A Bearing Typical Application Areas
This precision angular contact ball bearing is ideally suited for:
- Machine Tool Spindles: High-precision milling, grinding, and turning centers.
- High-Speed Machining Centers
- Precision Grinding Spindles
- Industrial Pumps and Compressors
- Robotic Arm Joints and Precision Gearboxes
