2021 Sheperd Catalog

34 Chair Caster • Constructed of injection-molded engineering grade nylon • Nylon tread for carpeting and urethane for hard floors See page 39 for self braking chair casters. Compression brake chair casters brake when you sit down. Decompression brake models brake when you stand up. See page 39 for PDT specialty casters. Features Applications Options • Seating • Medical Equipment • 1-1/2" or 1-3/4" pivot boss sizes 7/16" 7/8" 58 Nylon Urethane Pivot boss diameter Wheel Options 55mm 2-1/4" 2-9/16" 1-1/2" Nylon 75 PHT5558BK Grip Ring: 58 2-1/8" 2-9/16" 1-3/4" Nylon 75 PHG5558BK 2-1/4" 2-9/16" 1-1/2" Urethane 75 PHT5558BK-U 2-1/8" 2-9/16" 1-3/4" Urethane 75 PHG5558BK-U Model # Wheel Diameter (mm) Pivot Boss Diameter (Inches) Dynamic Load (Pounds) Swivel Radius (Inches) Mounting Height (Inches) Tread Material Fastening Selection