S7013 ACEGB/P4A
Sealed Super Precision Angular Contact Ball Bearings
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Part No.
Part No.
S7013 ACEGB/P4A
Basic Information
System of measurement
Metric
Weight
0.45 kg
Tolerance class
P4A
Seal type
Sealed
For load direction
Angular Contact
Main Dimensions
Bore diameter
65 mm
Bore diameter tolerance
-0.004mm to 0
Outside diameter
100 mm
Outside diameter tolerance
-0.004mm to 0
Width
18 mm
Width tolerance
-0.2mm to 0
Contact angle
25 °
Ball & Washer Dimensions
Ball diameter
8.731 mm
Ball quantity
25
Performance
Temperature range
- 30°C to 110 °C
Radial dynamic load rating
4388 lbf
Radial static load rating
3285 lbf
Limiting speed
36 X 1000 rpm
Lubrication
Grease
Matched arrangement
Single
Number of bearings in matched set
4
Universal matching bearing
Universal Matchable (SU)
Preload
Light / Class B
Materials
Ring material
Chrome Steel
Ball material
Chrome Steel
Cage material
Phenolic
Technical Drawings
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In Stock
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S7013 ACEGB/P4A Bearing Product Overview & Core Advantages
The S7013 ACEGB/P4A is a high-precision angular contact ball bearing designed for demanding applications requiring exceptional accuracy and reliability. This sealed bearing features a light preload (Class B) and a P4A tolerance class, ensuring smooth, low-vibration operation. Its 25° contact angle is optimized to handle combined loads, efficiently supporting significant radial and axial forces simultaneously. The compact design, with an 18mm width, makes it an ideal choice for space-constrained, high-speed spindle assemblies and other precision machinery.
Model Code Breakdown
| Code Segment | Technical Meaning |
|---|---|
| S7013 | Basic bearing series and size designation (65mm bore, 100mm OD). |
| AC | 25° contact angle. |
| E | Optimized internal design for high performance. |
| GB | Light preload (Class B). |
| P4A | High precision tolerance class, superior to ABEC-7. |
S7013 ACEGB/P4A Bearing Structural Features & Performance Benefits
- High Rigidity and Load Capacity: The bearing's design, with a 25° contact angle and light preload, provides high system rigidity, enabling it to handle combined radial and axial loads effectively, contributing to superior positional accuracy.
- High-Speed Performance: The phenolic cage offers low weight and excellent performance at high speeds, supporting the bearing's limiting speed of 36,000 rpm.
- Sealed and Lubricated for Life: As a sealed bearing pre-lubricated with grease, it is protected from contamination and is effectively maintenance-free within its specified operating temperature range of -30°C to 110°C.
- Universal Matching: Designed as a Universal Matchable (SU) bearing, it can be universally paired with other bearings of the same designation in any combination, simplifying installation in preloaded sets for maximum stiffness.
S7013 ACEGB/P4A Bearing Typical Application Areas
This precision bearing is ideally suited for high-performance applications, including:
- Machine Tool Spindles
- High-Frequency Motors
- Precision Grinding Spindles
- Industrial Pumps and Compressors
- Robotic Arms and Precision Positioning Systems
