S7007 CEGB/P4A
Sealed Super Precision Angular Contact Ball Bearings
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Part No.
Part No.
S7007 CEGB/P4A
Basic Information
System of measurement
Metric
Weight
0.15 kg
Tolerance class
P4A
Seal type
Sealed
For load direction
Angular Contact
Main Dimensions
Bore diameter
35 mm
Bore diameter tolerance
-0.004mm to 0
Outside diameter
62 mm
Outside diameter tolerance
-0.004mm to 0
Width
14 mm
Width tolerance
-0.2mm to 0
Contact angle
15 °
Ball & Washer Dimensions
Ball diameter
7.144 mm
Ball quantity
17
Performance
Temperature range
- 30°C to 110 °C
Radial dynamic load rating
2565 lbf
Radial static load rating
1474 lbf
Limiting speed
56 X 1000 rpm
Lubrication
Grease
Matched arrangement
Single
Number of bearings in matched set
2
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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S7007 CEGB/P4A Bearing Product Overview & Core Advantages
The S7007 CEGB/P4A is a super-precision angular contact ball bearing engineered for applications demanding exceptional rotational accuracy and high-speed performance. Positioned in the P4A tolerance class, it offers extremely tight dimensional and running accuracy. Its 15° contact angle and Universal Matchable (SU) designation make it ideal for preloaded duplex arrangements, providing high system rigidity and the ability to accommodate combined loads. The phenolic cage and grease lubrication contribute to its superior high-speed capabilities and reliable operation.
S7007 CEGB/P4A Bearing Model Code Explained, Specifications & Naming Convention
The S7007 CEGB/P4A model code provides detailed technical specifications:
- S7007: Base series, indicating a super-precision angular contact bearing with a 35mm bore.
- C: Denotes a 15° contact angle.
- E: Represents an optimized internal design, including a larger ball complement and reinforced shoulders for high rigidity.
- GB: Indicates the bearing is pre-filled with a grease lubricant.
- P4A: Specifies the tolerance class, equivalent to ABEC 7, ensuring ultra-precise dimensions and runout for demanding applications.
S7007 CEGB/P4A Bearing Structural Features & Performance Benefits
- High Rigidity & Load Capacity: The optimized "E"-type internal design, featuring a larger ball diameter (7.144 mm) and a full complement of 17 balls, provides superior high rigidity and increased radial dynamic load rating (2565 lbf). The 15° contact angle effectively handles combined radial and axial loads.
- High-Speed Performance: The lightweight and robust phenolic cage ensures stability and low friction at high rotational speeds, with a limiting speed of 56,000 rpm. The pre-applied grease is formulated for high-speed operation.
- Precision & Accuracy: Manufactured to P4A tolerance class with tight bore, outside diameter, and width tolerances, this bearing guarantees minimal runout and vibration, which is critical for precision machinery.
- Universal Matching: Designated as Universal Matchable (SU), these bearings can be universally paired in any combination to create preloaded duplex sets (DB, DF, DT) without selective mounting, simplifying installation and ensuring optimal performance.
S7007 CEGB/P4A Bearing Typical Application Areas
This precision bearing is ideally suited for high-performance applications, including:
- Machine Tool Spindles: For high-speed milling, grinding, and turning centers.
- High-Frequency Spindles: Used in PCB drilling and routing.
- Precision Instrumentation: In medical devices, optical scanners, and coordinate measuring machines.
- Robotics: For high-accuracy joints and arm assemblies.
