VXB™ Brand 17287-2RS Sealed Ball Bearing with Si3N4 Ceramic Balls Silicon Nitride 17mm x 28mm x 7mm Made for bicycles 17287-2RS Sealed Ball Bearing with Si3N4 Ceramic Balls bearing is made of Chrome Steel with Ceramic Balls (Si3N4) 17287-2RS bearing is closed with rubber seals to protect the bearing from dust or any possible contamination bearing is sealed and self lubricated 17287-2RS bearing is lubricated with grease. Item: 17287-2RS Ball Bearing Type: Deep Groove Ball Bearings Cage: Nylon Clearance: C0~C3 Closures: Non Contact Rubber Sealed Balls: Silicon Nitride (Si3N4) Inner/Outer Rings: Chrome Steel Lubrication: Pre Lubricated (Kluber NB52 grease) Dimensions: 17mm x 28mm x 7mm/Metric ID (inner diameter)/Bore: 17mm OD (outer diameter): 28mm Width/Height/thickness: 7mm Size: 17 x 28 x 7 mm Quantity: One Bearing Made for bicycles 17287-2RS Bearing 17x28x7 Si3N4 Ceramic Sealed Kit13881
