SpeedTek RC Stainless Steel Hybrid Shielded 15x21x4 Ceramic Bearing (1)
 
Features:
Steel, Ceramic Hybrid, Orange Sealed bearings are specially designed for any application seeking a high precision, free spinning bearing. These are the true secret weapon for serious rc racers. ABEC 7 tolerances makes the Orange Seal line the closest precision tolerance that SpeedTek RC has to offer. The removable, non-contact rubber seals results in a bearing with less drag and that requires less maintenance than a typical shielded bearing. The Grade 5 ceramic Si3N4 balls will allow the bearing to be lighter and spin 50% faster than a traditional steel bearing. LD = Lube Dry Bearings have been clean and are free of all grease and Oils.
 
Specifications:
Inside Diameter: 15mm / Outside Diameter: 21mm/ Width: 4mm
Bearing Material: Stainless Steel 440C, Ball Material: Ceramic SI3N4, ABEC#7/ISOP4
Enclosure: Two Seals, Enclosure Material: Rubber Seal
Retainer Material: Stainless Steel, Radial Play: C0, Lubrication: LD Dry Lube
 
Includes:
1 x SpeedTek RC Stainless Steel Hybrid Shielded 15x21x4 Ceramic Bearing (1)