6307-2RS Hybrid Ceramic Si3N4 C3 Clearance Sealed Bearing 35x80x216307 2RS C3 Clearance Hybrid Ceramic Si3N4 Sealed Ball Bearing Chrome Steel and Ceramic Balls 35mm x 80mm x 21mm Item: 6307 2RS Ball Bearing Type: Hybrid Radial Ball Bearing Balls: Si3N4 Ceramic Radial Clearance: C3 Material: Chrome Steel Closures: Double sealed with rubber seals Size: 35mm x 80mm x 21mm Inner Diameter (ID): 35mm Outer Diameter (OD): 80mm Width Height Bridth (W H B): 21mm Quantity: One Bearing