HCB7018-E-T-P4S-UL Ceramic Precision Bearing
|
Brand |
= |
SEMRI |
|
Manufacturer Part Number |
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HCB7018-E-T-P4S-UL |
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Inside Diameter |
= |
90mm |
|
Outside Diameter |
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140mm |
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Width |
= |
24mm |
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Contact Angle |
= |
25° |
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Precision Grade |
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P4S |
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Seals or Shields |
= |
None |
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Material |
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Hybrid Ceramic |
|
Clearance |
= |
CN = Standard Internal clearance |
|
Cage Type |
= |
T = Outerring Guided Phenolic Cage |
Core Applications
1. Machine Tool Spindles
This is the most common application. It acts as the core rotational support in:
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High-Speed CNC Milling Machines & Machining Centers: Provides rigid and precise radial/axial support during high-speed cutting
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CNC Engraving and Routing Machines: Perfect for mold-making where high RPMs and minimal vibration are required to prevent tool marks.
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Precision Grinding Spindles: Internal grinding heads require absolute rotational accuracy to achieve flawless workpiece surface finishes.
2. Semiconductor & Optical Manufacturing Equipment
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Silicon Wafer Dicing Saws: Precision dicing requires sub-micron spindle runout. The HCB7018 maintains extreme rigidity and low thermal expansion at high speeds.
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Optical Lens Grinding / Fly-cutting Spindles: Ensures flawless surface reflectivity and precise geometries on optical components.
3. Vacuum Systems & High-Speed Testing
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Turbo-molecular Vacuum Pumps: Used in semiconductor processing environments. Ceramic balls prevent cold welding (seizure) in high-vacuum conditions and provide electrical insulation.
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Dynamic Balancing Machines: Supports high-speed rotors during balance testing with minimal friction interference.
4. Advanced High-Speed Turbomachinery
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Micro Gas Turbines & Turbochargers: Used in experimental or niche high-speed turbo systems where low heat generation and high rotational speeds are paramount.
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