22CRR – Med Duty Chain Driven LR22CRRCT – Med Duty Live Roller Curve22CRRCTS – Med Duty Live Roller Spur22ACDE – MD Air Op P.E. Accum.251ACDA – HD Air Operated Pallet Accumulating251ACDE – HD Photo Eye Pallet Accumulating251CDA – Heavy Duty Pallet Accumulating251CDE – Heavy Duty Photo Eye Pallet Accumulation251 / 267CRR – Heavy Duty Chain Drive Live Roller251CRR-3 – Hvy Duty Chain Driven 3″ Ctr251CRRC – Heavy Duty CD Live Roller Curve251CRRCT – Heavy Duty Tapered Roller Curve350CRR – SHD Chain Driven Live Roller