4x7x2.5mm Ceramic Bearing MR74zzC - Metal Shields - Precision High Speed Bearing
6,62 €
Part Number MR74zzC. This is the standard steel for most ball bearings. It also has superior low noise qualities to standard 440 grade stainless steel. Ceramic balls are lighter for less centrifugal force allowing motors to spin at a higher RPM and also to accelerate faster.
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