MF series Miniature Deep Groove Ball Bearing 1)Inner Size: 2-10mm 2)Outer Size: 5-15mm 3)Gcr15, P0 4)OEM service is accepted MF series Minirature Deep Groove Ball BearingMaterial:1) Chrome Steel2) Stainless Steel3) Ceramic4) PlacticSealed Type1) Open2) Meatal Sealed 3) Rubber Sealed4) Plastic SealedAvailable Model: ...