Prime-Line Products N 6686 Closet Door Roller with 1-3/16-Inch Steel Ball Bearing Wheel，(Pack of 2)<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>1-3/16in. O.D. Center grooved steel ball bearing wheel</li><li>Fits a 2-15/16in.x 7/16in. mortise slot in door rail</li><li>Carrying capacity of 50 lbs</li></ul></div><img src="http://ecx.images-amazon.com/images/I/31Kp1WuOKrL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41FBFUyhPbL.jpg" noproxy>