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10Pcs SMR74-2RS SMR74 RS 4x7x2.5 mm ABEC7 Stainless Steel hybrid Si3n4 ceramic bearing 4*7*2.5 Without Grease Fast Turning

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Features:**Premium Material and Performance**The hybrid ceramic ball bearing is


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Features:

**Premium Material and Performance**

The  hybrid ceramic ball bearing is a testament to the fusion of high-quality materials and advanced engineering. The bearing's inner and outer rings are crafted from robust 440C stainless steel, ensuring durability and resistance to corrosion. The rolling elements, on the other hand, are made from Si3N4 ceramic, which offers exceptional hardness and low friction, contributing to a longer lifespan and enhanced performance. The ABEC-7 rating signifies that these bearings meet the highest precision standards, making them suitable for demanding applications.

**Advanced Design and Application**

The ceramic hybrid ball bearing is not just about durability; it's also designed for fast and efficient operation. The deep groove structure ensures smooth rotation, while the rubber seals provide reliable protection against contaminants. The absence of grease allows for immediate use, making it ideal for applications where lubrication is undesirable or impractical. The small size makes it suitable for a variety of shafts and equipment, from precision instruments to industrial machinery.

**Unmatched Reliability and Corrosion Resistance**

The hybrid ceramic ball bearing is a reliable choice for environments where corrosion and wear resistance are paramount. The stainless steel and ceramic combination offers superior resistance to general corrosion, ensuring that the bearings maintain their integrity even in harsh conditions. The little magnetic property of the bearings makes them suitable for use in electrical equipment without causing interference. With a hardness rating of 58HRC, these bearings are designed to withstand the rigors of high-speed applications while maintaining their structural integrity.

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TECHNICAL SPECS
Material: 440C Stainless Steel and Ceramic Si3N4
Structure: Deep Groove
Bearing Type: Hybrid Ceramic Ball Bearing
Bore Dia (d): 4 mm
Outer Dia (D): 7mm
Width (B): 2.5mm
Closures: Rubber Seal
Lubrication: Free of Grease
Magnetic: Little
Hardness: 58HRC
Corrosion Resistance: General
Clearance: C0
Bearing Grades: ABEC-7

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