Completely sealed, designed for tough, high load applications. B-Track linear actuators incorporate high strength, high quality components and are designed to provide years of trouble-free performance in harsh environments. Models feature a ball nut screw drive with integral load holding brake and overload clutch. Efficient power use, compact package size, excellent corrosion protection, rugged spur gearing, synthetic lubricants and high performance motors provide maximum capability and value. Models available with 2 to 24 inch stroke lengths, up to 2200 lb. load capacity, and up to 2.7 in./sec travel speeds.