S61904 Bearing 20x37x9 Si3N4 Ceramic Stainless Steel Sealed ABEC-7 Bearing 697ZZ non-standard size commonly used in

non-standard size commonly used in precision instruments

💡 Why are glass balls used in plastic bearings

measures an inner diameter of 2 3/16"

and zero contamination

S61904 Bearing 20x37x9 Si3N4 Ceramic Stainless Steel Sealed ABEC-7 Bearing 697ZZ non-standard size commonly used inS61904 Open Ball Bearing ABEC 7 Quality with Si3N4 Ceramic Balls (Silicon Nitride) 20mm x 37mm x 9mm S61904 Open Stainless Steel, radial, deep groove ball bearing,S61904 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, S61904 Ball Bearing Deep Groove Radial Ball Bearing Closures: Open Cage: Nylon Cage Ceramic Balls (Si3N4) Radial Clearance: C3 Quality: ABEC