15/16, 7h/73/74, S7/S8/S9 – Stainless Series-350 lb

Constructed with S304 stainless steel
Dual ball bearing raceway
3/8" axle and nut
Modular kingpin is available for any custom fastening pattern
Difference between 15/16 and 73/74, S7, 7H
Surface treatment: #15 and S7 has electrolyzed shining surface, #73, 7H is mechanically polished and buffed to a smooth reflective surface
Raceway: #15 and S7 does not have dust cover over the raceway; #73, 7H raceway has seal, grease fitting and dust cover
S7 is total-lock brake simultaneously locks both the swivel and wheel
7H has a high-temp white silicon seal integrated with raceway, grease fitting on dust cover, mechanically polished and buffed to a smooth reflective surface. Seal temperature range is 390°F, intermittent 450°F