Conveyor Systems > Side Guide Rollers Side Guide Rollers I.J. WHITE'S Side Guide Rollers are made of the same strong polyurethane compound as our other pulleys. Reinforced with high density polyethylene bushings, the need for a bearing-mounted shaft is avoided without sacrificing durability. They are available in two sizes with all the necessary mounting brackets and hardware. When properly installed, excellent lateral support is provided for conveyor belts in straight sections and spiral towers. 4” Side Guide Rollers and Assemblies Description Part Number 4" Roller with Bushing 22-4777-01 Aluminum Mounting Bracket, 4" Pulley with Bushing 22-4077-99 Complete Assembly: One (1) 4" Rollers with Bushings and Bracket 22-4747-99 4" Side Guide Roller Bushing 22-4777-99     6” Side Guide Rollers and Assemblies Description Part Number 6" Roller with Bushing 22-6888-01 Mounting Bracket for 6" Roller Assembly with Bushing 22-7077-99 Complete Assembly: Two 6" Rollers with Bushings and T-Bracket 22-6868-99 Stainless Steel Sleeve 22-6008-01 6" Side Guide Roller Bushing 22-6888-99 Complete Assembly: One (1) 6" Rollers with Bushings and Mounting Bracket 22-6767-99