This 13 & 1/4" Metering Roller comes complete with two sealed ball bearings and fits Kompac Models RYB 3200W, RYB 32MCD, RYB 332, RYB 33, RYB 32 ST, RYB 334-KM, AB 9899 ST, HMD 34-1-N, HMD 34-1-0, HMD 34-2-0, HMD 34-2-N, HMD 234, and M 1316 ST..