Driven conveyor roller RR-EX

steelnitrileneoprene®

Overview
RR-EX solid rollers are cylindrical conveyor/motion rollers with a smooth cover permanently bonded to a steel insert. They are designed for shaft mounting: a hub extends beyond the roller and is supplied with two setscrews positioned 90° apart to secure the roller on a shaft. Cover materials and durometer options allow selection for specific handling and wear requirements.

Materials

• Neoprene
• Nitrile
• Urethane

Available Part Variants (table)
ID | SKU | Part Number | D in | D1 in | D2 in | W in | W2 in | Durometer (Shore A) | Material | Color
112627 | RR-215-20W-EX375 | RR-215-20W-EX375 | 1.50 | .88 | .376/.380 | 1.25 | .38 | 20 | Nitrile | White
112616 | RR-215-20-EX375 | RR-215-20-EX375 | 1.50 | .88 | .376/.380 | 1.25 | .38 | 20 | Neoprene | Black
112633 | RR-215-20W-EX500 | RR-215-20W-EX500 | 1.50 | .88 | .501/.505 | 1.25 | .38 | 20 | Nitrile | White
112623 | RR-215-20-EX500 | RR-215-20-EX500 | 1.50 | .88 | .501/.505 | 1.25 | .38 | 20 | Neoprene | Black
112677 | RR-215-35W-EX375 | RR-215-35W-EX375 | 1.50 | .88 | .376/.380 | 1.25 | .38 | 35 | Nitrile | White
112651 | RR-215-35UR-EX375 | RR-215-35UR-EX375 | 1.50 | .88 | .376/.380 | 1.25 | .38 | 35 | Urethane | Yellow
112644 | RR-215-35-EX375 | RR-215-35-EX375 | 1.50 | .88 | .376/.380 | 1.25 | .38 | 35 | Neoprene | Black
112684 | RR-215-35W-EX500 | RR-215-35W-EX500 | 1.50 | .88 | .501/.505 | 1.25 | .38 | 35 | Nitrile | White
112670 | RR-215-35UR-EX500 | RR-215-35UR-EX500 | 1.50 | .88 | .501/.505 | 1.25 | .38 | 35 | Urethane | Yellow
112649 | RR-215-35-EX500 | RR-215-35-EX500 | 1.50 | .88 | .501/.505 | 1.25 | .38 | 35 | Neoprene | Black

Notes
Each roller is supplied with a hub extending past the roller and two setscrews (90° apart) for shaft fastening. Selection of cover material determines durometer (hardness) and color. The variants listed are representative part options with key dimensions and material/durometer choices.

Technical specifications

• Commercial designation (model): RR-EX
• Mounting: Shaft drive (hub extends past roller; secured with two setscrews 90° apart)
• Insert: Steel insert; roller cover permanently bonded to insert
• Available cover materials: Neoprene, Nitrile, Urethane
• Durometer range: 20 to 95 Shore A
• Typical outer diameter shown: 1.50 in
• Typical hub diameter (D1): .88 in
• D2 (bore / insert dimension) examples: .376/.380 in or .501/.505 in
• Typical width (W): 1.25 in; W2: .38 in
• Color-to-material mapping shown in variants (e.g., Nitrile - White, Neoprene - Black, Urethane - Yellow)