S7017 FEGA/P4A
Sealed Super Precision Angular Contact Ball Bearings
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Part No.
Part No.
S7017 FEGA/P4A
Basic Information
System of measurement
Metric
Weight
0.94 kg
Tolerance class
P4A
Seal type
Sealed
For load direction
Angular Contact
Main Dimensions
Bore diameter
85 mm
Bore diameter tolerance
-0.004mm to 0
Outside diameter
130 mm
Outside diameter tolerance
-0.004mm to 0
Width
22 mm
Width tolerance
-0.2mm to 0
Contact angle
18 °
Ball & Washer Dimensions
Ball diameter
11.112 mm
Ball quantity
26
Performance
Temperature range
- 30°C to 110 °C
Radial dynamic load rating
7762 lbf
Radial static load rating
6525 lbf
Limiting speed
28 X 1000 rpm
Lubrication
Grease
Matched arrangement
Single
Number of bearings in matched set
2
Universal matching bearing
Universal Matchable (SU)
Preload
Extra light / Class A
Materials
Ring material
Chrome Steel
Ball material
Chrome Steel
Cage material
Phenolic
Technical Drawings
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In Stock
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S7017 FEGA/P4A Bearing Product Overview & Core Advantages
The S7017 FEGA/P4A is a precision angular contact ball bearing engineered for applications demanding exceptional rotational accuracy and rigidity. Operating under the P4A tolerance class, this bearing is designed to simultaneously handle combined loads (radial and axial) with high reliability. Its compact design, featuring a 22 mm width, makes it ideal for space-constrained, high-precision machinery. The combination of a phenolic cage and high-grade grease lubrication enables superior high-speed performance, making it a robust solution for demanding industrial environments.
S7017 FEGA/P4A Bearing Model Code Explained, Specifications & Naming Convention
The model designation S7017 FEGA/P4A provides detailed technical specifications:
- S: Denotes a universal matchable bearing, designed to be paired with another identical bearing to form a matched set.
- 7017: Standard size designation indicating an 85 mm bore, 130 mm outside diameter.
- F: Indicates a specific internal design, often related to the contact angle and internal clearance.
- E: Signifies an optimized internal geometry for enhanced performance.
- GA: Represents the preload level, specifically Extra Light (Class A) preload.
- P4A: Defines the tolerance class, indicating very high precision levels for both dimensional and running accuracy.
S7017 FEGA/P4A Bearing Structural Features & Performance Benefits
- High Rigidity & Load Capacity: The single-row angular contact design, combined with an 18° contact angle and Extra Light preload, provides high rigidity and precise running accuracy. It is rated for a dynamic load of 7762 lbf and a static load of 6525 lbf, enabling reliable operation under significant combined loads.
- Optimized High-Speed Performance: The lightweight phenolic cage minimizes centrifugal forces, while the pre-filled grease lubrication ensures stable operation up to the limiting speed of 28,000 rpm.
- Precision Engineering: Manufactured to P4A tolerance class with tight dimensional tolerances on the bore, outside diameter, and width, ensuring consistent performance in high-precision applications.
- Sealed & Lubricated for Life: As a sealed bearing with factory-applied grease, it is protected from contamination and is typically maintenance-free within its specified temperature range of -30°C to 110°C.
S7017 FEGA/P4A Bearing Typical Application Areas
The S7017 FEGA/P4A is ideally suited for high-performance applications requiring precision and speed, including:
- Machine Tool Spindles
- High-Speed Grinding & Milling Heads
- Precision Gearboxes
- Industrial Pumps & Compressors
- Robotic Arm Joints & Precision Rotary Axes
