S7019 ACB/P4A
Sealed Super Precision Angular Contact Ball Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
S7019 ACB/P4A
Basic Information
System of measurement
Metric
Weight
1.3 kg
Tolerance class
P4 (ABEC-7)
Seal type
Sealed
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
10.319 mm
Ball quantity
26
Performance
Temperature range
-30° to 110 °C
Radial dynamic load rating
6210 lbf
Radial static load rating
5512 lbf
Limiting speed
11 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:
$ 1247.38
/ each
In Stock
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S7019 ACB/P4A Bearing Product Overview & Core Advantages
The S7019 ACB/P4A is a precision angular contact ball bearing designed for demanding applications requiring exceptional accuracy and reliability. This sealed bearing features a single matched arrangement with available preload, enabling it to simultaneously handle significant combined loads—both radial and axial forces. Its compact design, combined with a P4 (ABEC-7) tolerance class and a 25° contact angle, ensures high running accuracy, high rigidity, and stable performance in high-precision machinery.
S7019 ACB/P4A Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning |
|---|---|
| ACB | Angular Contact Bearing design with a specific contact angle and internal geometry. |
| P4A | Indicates a high-precision tolerance class equivalent to ABEC-7, ensuring extremely tight dimensional and running accuracy. |
S7019 ACB/P4A Bearing Structural Features & Performance Benefits
- High Rigidity and Load Capacity: The optimized angular contact design with a 25° contact angle provides superior high rigidity, enabling the bearing to effectively support substantial combined loads.
- Precision Performance: Manufactured to P4 tolerance class standards, this bearing guarantees minimal runout and vibration, which is critical for high-speed and high-precision applications.
- High-Speed Capability: The lightweight and robust phenolic cage ensures stable operation and contributes to the high limiting speed of 11,000 rpm.
- Sealed and Lubricated for Life: As a sealed bearing that is pre-lubricated, it offers protection against contamination and is designed for long-term, maintenance-free operation within its specified temperature range.
- Superior Materials: Components made from chrome steel provide high durability and fatigue resistance, contributing to an extended service life under demanding conditions.
S7019 ACB/P4A Bearing Typical Application Areas
This bearing is ideally suited for applications requiring high precision and reliability, such as:
- Machine Tool Spindles
- High-Speed Precision Drives
- Industrial Pumps and Compressors
- Precision Measuring Instruments
- Robotic Arm Joints and Rotary Tables
