7010 FEGA/P4A
7000 Series Super Precision Angular Contact Ball Bearings
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Part No.
Part No.
7010 FEGA/P4A
Basic Information
System of measurement
Metric
Weight
0.25 kg
Tolerance class
P4A
Seal type
Open
For load direction
Angular Contact
Main Dimensions
Bore diameter
50 mm
Bore diameter tolerance
-0.004mm to 0
Outside diameter
80 mm
Outside diameter tolerance
-0.004mm to 0
Width
16 mm
Width tolerance
-0.2mm to 0
Contact angle
18 °
Ball & Washer Dimensions
Ball diameter
7.938 mm
Ball quantity
21
Performance
Temperature range
- 30°C to 110 °C
Radial dynamic load rating
3442 lbf
Radial static load rating
2340 lbf
Limiting speed
41 X 1000 rpm
Lubrication
Lubricated
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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7010 FEGA/P4A Bearing Product Overview & Core Advantages
The 7010 FEGA/P4A is a single-row angular contact ball bearing engineered for applications demanding ultra-high precision and exceptional rotational accuracy. Positioned in the P4A tolerance class, it guarantees minimal dimensional and running deviations. Its 18° contact angle is optimized to support significant combined loads (radial and axial), making it ideal for high-speed spindles and precision machinery where rigidity and minimal runout are critical. The bearing comes pre-lubricated and is part of a Universal Matchable (SU) set, allowing for precise preload configuration when mounted in pairs.
7010 FEGA/P4A Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 7010 | Basic bearing designation, indicating a metric series bearing with a 50 mm bore and 80 mm outside diameter. |
| F | Machined brass cage, providing high strength and stability for demanding applications. |
| E | Optimized internal design (increased ball size and quantity) for enhanced load capacity. |
| GA | Indicates a specific preload group: Extra light (Class A). |
| P4A | The tolerance class, denoting ultra-precision dimensional and running accuracy superior to ABEC 7. |
7010 FEGA/P4A Bearing Structural Features & Performance Benefits
- High-Precision Construction: Manufactured to P4A tolerance class with tight bore, outside diameter, and width tolerances, ensuring superior running accuracy and minimal vibration for precision spindles.
- Superior Load Capacity: The E-type design incorporates larger ball diameter (7.938 mm) and a higher ball quantity (21), significantly boosting both the dynamic (3442 lbf) and static (2340 lbf) load ratings compared to standard designs.
- High-Speed Capability: The combination of a robust machined brass cage (F), an 18° contact angle, and optimized internal geometry enables a high limiting speed of 41,000 rpm.
- Universal Matching (SU): Designed as a Universal Matchable bearing, two identical bearings can be mounted together in various arrangements (back-to-back, face-to-face, tandem) to achieve specific stiffness and preload requirements without selective matching.
- Premium Materials: Rings and balls made from high-grade chrome steel provide excellent wear resistance and long service life under high-stress conditions.
7010 FEGA/P4A Bearing Typical Application Areas
- Machine Tool Spindles: High-speed milling, grinding, and turning centers.
- Precision Grinding Spindles: Internal, external, and surface grinding machines.
- High-Frequency Motors and Spindles: Applications requiring extreme rotational accuracy and minimal runout.
- Medical Equipment: High-speed dental handpieces and surgical drill spindles.
- Aerospace & Defense Systems: Gyroscopes, radar systems, and other precision instrumentation.
