S7020 ACE/P4BVG275
Sealed Super Precision Angular Contact Ball Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
S7020 ACE/P4BVG275
Basic Information
System of measurement
Metric
Weight
1.32 kg
Tolerance class
P4 (ABEC-7)
Seal type
Sealed
For load direction
Angular Contact
Main Dimensions
Bore diameter
100 mm
Bore diameter tolerance
-0.008mm to 0
Outside diameter
150 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
27
Performance
Temperature range
-30° to 110 °C
Radial dynamic load rating
9518 lbf
Radial static load rating
8550 lbf
Limiting speed
11.2 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:
$ 1390.54
/ each
In Stock
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S7020 ACE/P4BVG275 Bearing Product Overview & Core Advantages
The S7020 ACE/P4BVG275 is a precision angular contact ball bearing designed for applications demanding exceptional accuracy and reliability. This single-row bearing features a 25° contact angle and is supplied with a preload, making it ideal for handling combined radial and axial loads simultaneously. Manufactured to P4 (ABEC-7) tolerance class, it ensures superior running accuracy, high rigidity, and stable performance in high-speed operations. Its compact design and pre-lubrication contribute to immediate installation and long service life in precision machinery.
S7020 ACE/P4BVG275 Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning | Advantage |
|---|---|---|
| ACE | Specific internal design and contact angle (25°) | Optimized for high axial load capacity and rigidity. |
| P4 | Tolerance class (ABEC-7 Precision) | Ensures ultra-precise running, low vibration, and noise. |
| BVG | Preload specification and cage type (Phenolic) | Provides consistent rotational accuracy and high-speed capability. |
| 275 | Lubrication specification | Pre-greased for immediate use and extended lubrication intervals. |
S7020 ACE/P4BVG275 Bearing Structural Features & Performance Benefits
- High Rigidity & Load Capacity: The 25° contact angle and preload configuration provide high system rigidity, enabling the bearing to effectively support combined radial and axial loads.
- High-Speed Performance: The lightweight phenolic resin cage reduces centrifugal forces, while the optimized internal geometry and high-grade lubricant contribute to a high limiting speed of 11,200 rpm.
- Precision Engineering: Manufactured to P4 tolerance class with tight dimensional control on the bore diameter and outside diameter, ensuring exceptional running accuracy and minimal vibration.
- Durability & Reliability: Constructed from chrome steel for both rings and balls, offering high wear resistance and fatigue life. The bearing is sealed and pre-lubricated, protecting against contamination and providing maintenance-free operation.
S7020 ACE/P4BVG275 Bearing Typical Application Areas
This bearing is ideally suited for high-precision and high-speed applications, including:
- Machine Tool Spindles
- High-Frequency Motors
- Precision Grinding Spindles
- Industrial Pumps and Compressors
- Robotic Drives and Precision Instrumentation
