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S6904 Bearing 20x37x9 Si3N4 Ceramic Stainless Steel Sealed ABEC-7 Bearing
S6904 Bearing 20x37x9 Si3N4 Ceramic Stainless Steel Sealed ABEC-7 Bearing
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| S6904 Open Ball Bearing ABEC-7 Quality with Si3N4 Ceramic Balls (Silicon Nitride) 20 x 37 x 9 mm |
S6904 Open Stainless Steel, radial and deep groove ball bearing,bearing is made from stainless steel with Ceramic Balls (Si3N4) and Nylon cage,the quality is set to EMQ (ABEC-7 quality) to ensure high speed,inner diameter is 20mm, outer diameter is 37mm and width is 9mm
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💡 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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