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S61903-2RS Ceramic Bearing Sealed Si3N4 ABEC-7 17x30x7 Bearing
S61903-2RS Ceramic Bearing Sealed Si3N4 ABEC-7 17x30x7 Bearing
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| S61903-2RS Sealed Ball Bearing Premium ABEC-7 Quality with Si3N4 Ceramic Balls (Silicon Nitride) 17mm x 30mm x 7mm |
S61903-2RS Sealed Ball Bearing is double sealed, radial and deep groove ball bearing,bearing is made from stainless steel with Ceramic Balls (Si3N4) and Stainless steel cage,S61903-2RS bearing is closed with rubber seals to protect the bearing from dust or any possible contamination,bearing is sealed and self lubricated,the quality is set to EMQ (Premium ABEC-7 quality) to ensure high speed,S61903-2RS bearing is lubricated with grease.
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VXB Category: Hybrid ceramic bearings
💡 What Does ABEC-7 Mean?
ABEC-7 is a high-precision rating from the Annular Bearing Engineers’ Committee (ABEC), indicating extremely tight manufacturing tolerances. These bearings provide ultra-smooth, low-friction performance and are often used in high-speed, high-accuracy applications.
ABEC-7 bearings are commonly found in precision instruments, aerospace equipment, high-end electric motors, and demanding industrial machinery. They offer exceptional performance but are typically more expensive due to the level of accuracy involved.
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