Product Name： Combs cleaning roller Category： Conveyor Roller/Idler Manufacturers： Golden Sun Order>> Product Details Comb roller used in acid and alkali resistant industry of conveyor, comb idlers can replace the metal roller , nylon roller , long life , easy installation , custom center smooth transportation , reduce conveyor belt deviation and protection conveyor belts and other characteristics . comb roller superior performance than traditional iron roller , low wear coefficient , the proportion of small , light weight , easy to replace , and the low noise , smooth operation , more suitable for the working environment of the production conditions , high service life. Products parameters: Summary of the roller size: Standard External Diameter Standard Inner Diameter Length Scope Bearings Type mm lnch mm mm min-max 89 3 1/3 60/ 50 170-3400 204 102 4 76 170-3400 204 205 108 4 1/4 89/76/60 170-3400 204 205 114 4 1/2 89/ 76 170-3400 204 205 127 5 89 170-3400 204 205 133 5 1/4 89/70/63.5 170-3400 204 205 140 5 1/2 89 170-3400 204 205 152 6 108/76 170-3400 204 205 206 305 306 159 6 1/4 108 170-3400 204 205 206 305 306 194 7 5/8 159/ 133 170-3400 205 206 207 305 306 307 308 Note: special specification of supply and demand both sides can be coordinated.