Toro 19.00 Inch OEM Roller Assembly. This roller has a 2.00 inch diameter. This Assembly comes with the bearings housing, roller tube, snap rings, O-rings, a pipe plug, screws, sleeves, seals, bearings & a sealant compound. This roller is smooth, unlike the Wiehle roller that has groves built in. Toro OEMs are created to keep your equipment up and running with the highest quality parts. To verify that this fits your Toro equipment, please do a model & serial number search.