Products      Ball-Bearing Set - Rubber Covered For XB8 (24) Description · Specs. · Parts List  · Photos (1) ·   Parts List   ID Name   359050 Ball-Bearing 5x10x4 Steel Sealed - Grease - V2 (2)   940610 Ball-Bearing 6x10x3 Rubber Sealed - Oil (2)   940816 Ball-Bearing 8x16x5 Rubber Sealed - Grease (2)