S7018 CE/HCP4BVG275
Hybrid Ceramic Super Precision Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
S7018 CE/HCP4BVG275
Basic Information
System of measurement
Metric
Weight
1.16 kg
Tolerance class
P4 (ABEC-7)
Seal type
Sealed
For load direction
Angular Contact
Main Dimensions
Bore diameter
90 mm
Bore diameter tolerance
-0.008mm to 0
Outside diameter
140 mm
Outside diameter tolerance
-0.009mm to 0
Width
24 mm
Width tolerance
-0.2mm to 0
Contact angle
15 °
Ball & Washer Dimensions
Ball diameter
11.112 mm
Ball quantity
28
Performance
Temperature range
-30° to 110 °C
Radial dynamic load rating
8055 lbf
Radial static load rating
7200 lbf
Limiting speed
15.5 X 1000 rpm
Lubrication
Lubricated
Matched arrangement
Single
Preload
Available
Materials
Ring material
Chrome Steel
Ball material
Ceramic
Cage material
Phenolic
Technical Drawings
No drawings available at the moment, will be launched soon
Price:
$ 1106.38
/ each
In Stock
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S7018 CE/HCP4BVG275 Bearing Product Overview & Core Advantages
The S7018 CE/HCP4BVG275 is a high-precision angular contact ball bearing engineered for demanding applications requiring exceptional speed, rigidity, and accuracy. This single-row bearing is distinguished by its P4 (ABEC-7) tolerance class and ceramic ball construction, enabling superior performance in high-speed and high-stiffness scenarios. Its optimized design allows it to accommodate combined radial and axial loads efficiently, making it an ideal choice for high-reliability machinery where precision is paramount.
S7018 CE/HCP4BVG275 Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning | Significance & Advantage |
|---|---|---|
| CE | Hybrid Bearing (Ceramic Balls) | Indicates the use of ceramic balls, which reduce centrifugal forces, lower operating temperatures, and extend bearing life, especially at high speeds. |
| HC | Hybrid Ceramic | Reinforces the hybrid construction with ceramic rolling elements for enhanced performance. |
| P4 | Tolerance Class (ABEC-7) | Denotes a super-precision bearing with extremely tight dimensional and running accuracy tolerances for superior rotational performance. |
| B | 40° Contact Angle | Specifies a contact angle optimized for higher axial load capacity. |
| VG275 | Grease Type & Fill | Indicates a specific high-performance grease suitable for the specified temperature range and speed, ensuring optimal lubrication from the factory. |
S7018 CE/HCP4BVG275 Bearing Structural Features & Performance Benefits
- Hybrid Ceramic Design: The combination of steel rings and ceramic balls significantly reduces weight and inertial forces, enabling higher limiting speeds (15,500 rpm) and reduced heat generation. This construction also offers improved resistance to electrical erosion.
- High Rigidity & Precision: Manufactured to P4 tolerance class, this bearing provides exceptional running accuracy and dimensional stability. The 15° contact angle is optimized for applications requiring high rigidity under combined loads.
- Superior Load Capacity: With a dynamic load rating of 8055 lbf and a static load rating of 7200 lbf, the bearing is capable of handling significant combined radial and axial loads.
- Optimized High-Speed Performance: The phenolic resin cage is lightweight and robust, contributing to smooth operation at high rotational speeds. The pre-applied specialty grease (VG275) is formulated for high-speed operation within a -30° to 110 °C temperature range.
- Sealed & Lubricated for Life: The sealed design protects against contamination and retains lubricant, making the bearing suitable for applications where re-lubrication is difficult or undesirable.
S7018 CE/HCP4BVG275 Bearing Typical Application Areas
This high-performance precision angular contact ball bearing is ideally suited for:
- Machine Tool Spindles: High-speed machining centers, grinding spindles, and CNC lathes.
- High-Speed Motors & Spindles: Electric motors, turbine drives, and dental handpieces.
- Aerospace & Defense Systems: Gyroscopes, radar systems, and auxiliary power units (APUs).
- Semiconductor Manufacturing Equipment: Wafer handling robots and precision stages.
