SR188 R188 Stainless Steel Hybrid Ceramic Ball Bearing 10 Zirconia Balls SS Ribbon Retainer 6.35x12.7x4.762 mm
The SR188 hybrid ceramic ball bearing is a high-performance miniature bearing designed for high-speed, low-friction, and corrosion-resistant applications.
With silicon nitride ceramic balls and stainless steel rings, this bearing offers lower weight, higher speed capability, and longer service life compared to standard steel bearings. It is widely used in medical devices, high-speed spindles, and precision equipment.
| Parameter | Value |
|---|---|
| Bearing Model | SR188 |
| Bearing Type | Hybrid Ceramic Deep Groove Ball Bearing |
| Inner Diameter | 1/4 inch (6.35 mm) |
| Outer Diameter | 1/2 inch (12.7 mm) |
| Width | 3/16 inch (4.76 mm) |
| Ball Material | Silicon Nitride Si3N4 Ceramic |
| Ring Material | Stainless Steel |
| Cage Type | Steel Cage / Polymer Cage Optional |
| Sealing Type | Open, ZZ, 2RS Optional |
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Hybrid ceramic design for high-speed and low-friction operation
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Silicon nitride balls reduce heat generation and wear
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Corrosion-resistant stainless steel rings
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Low noise and smooth rotation
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Suitable for high-speed and precision applications
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Long service life with minimal maintenance
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High-speed spindles and CNC equipment
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Medical and dental devices
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Robotics and automation systems
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Precision instruments and laboratory equipment
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Performance hobby and sports equipment
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ISO 9001 certified manufacturing and quality control
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Precision grinding and strict dimensional inspection
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Stable batch production for consistent quality and delivery
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OEM and ODM customization for material, seals, and tolerance grades
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Competitive factory pricing with global export experience
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Technical support for bearing selection and application optimization
Hybrid ceramic bearings use ceramic balls and steel rings, providing lower friction, higher speed capability, and longer service life than conventional steel bearings.
Yes. We offer ABEC 1, ABEC 3, ABEC 5, and ABEC 7 precision grades depending on application requirements.
Yes. SR188 bearings can be supplied with metal shields (ZZ) or rubber seals (2RS) for improved contamination protection.
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