S71922 ACDGC/P4A
Sealed Super Precision Angular Contact Ball Bearings
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Part No.
Part No.
S71922 ACDGC/P4A
Basic Information
System of measurement
Metric
Weight
0.88 kg
Tolerance class
P4A
Seal type
Sealed
For load direction
Angular Contact
Main Dimensions
Bore diameter
110 mm
Bore diameter tolerance
-0.004mm to 0
Outside diameter
150 mm
Outside diameter tolerance
-0.004mm to 0
Width
20 mm
Width tolerance
-0.2mm to 0
Contact angle
25 °
Ball & Washer Dimensions
Ball diameter
12.7 mm
Ball quantity
28
Performance
Temperature range
- 30°C to 110 °C
Radial dynamic load rating
13162 lbf
Radial static load rating
15300 lbf
Limiting speed
10 X 1000 rpm
Lubrication
Grease
Matched arrangement
Single
Number of bearings in matched set
3
Universal matching bearing
Universal Matchable (SU)
Preload
Moderate / Class C
Materials
Ring material
Chrome Steel
Ball material
Chrome Steel
Cage material
Phenolic
Technical Drawings
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In Stock
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S71922 ACDGC/P4A Bearing Product Overview & Core Advantages
The S71922 ACDGC/P4A is a high-precision double row angular contact ball bearing designed for applications requiring exceptional accuracy and reliability. This sealed metric bearing features a 25° contact angle and is preloaded to Moderate/Class C, delivering high rigidity and stable rotational characteristics. Its compact design, with a 110 mm bore and 20 mm width, enables it to handle combined loads (radial and bidirectional axial loads) simultaneously, making it ideal for demanding, high-speed machinery where precision is paramount.
S71922 ACDGC/P4A Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning |
|---|---|
| AC | Angular Contact design with a 25° contact angle. |
| DGC | Double Row, Grease Lubricated, and Sealed configuration. |
| P4A | High precision tolerance class, exceeding ABEC 7/ISO P4 standards for superior running accuracy. |
S71922 ACDGC/P4A Bearing Structural Features & Performance Benefits
- High Rigidity & Load Capacity: The double row design provides superior radial and axial stiffness, enabling stable operation under combined loads. With a dynamic load rating of 13,162 lbf and static load rating of 15,300 lbf, it offers reliable performance in rigorous conditions.
- Precision & Speed Performance: Manufactured to P4A tolerance class with a phenolic cage, this bearing ensures minimal vibration and noise, supporting a limiting speed of 10,000 rpm for high-speed applications.
- Long-Term Reliability & Maintenance-Free Operation: The integral seals retain grease effectively, providing consistent lubrication and protection against contaminants across a temperature range of -30°C to 110°C. This sealed construction ensures extended service life with minimal maintenance.
S71922 ACDGC/P4A Bearing Typical Application Areas
This precision bearing is ideally suited for:
- Machine Tool Spindles
- High-Speed Industrial Pumps & Compressors
- Precision Medical & Laboratory Equipment
- Robotic Arms & Precision Automation Systems
