SKF SNW 3036X6.7/16 Adapter Sleeve, Inch, 6-7/16" Shaft Size, Used With 23000K Series Roller Bearings: Bearings And Bushings: Amazon.com: Industrial & Scientific
SKF H 2305 Adapter Sleeve, 20mm Shaft Size, Used With 2300K Series Ball Bearings, 22300K and 23200K Series Roller Bearings: Bushed Bearings: Amazon.com: Industrial & Scientific
Linear Sleeve Bearing, ID 3/8 In: Amazon.com: Industrial & Scientific