Material Alloy Steel Sprag Type Backstops Clutch Centrifugal Lift-Off Type, Weight 85 kg to 1230 kg, Brand NMTG

The popular backstop is centrifugal lift, Off type which has emerged as the utmost trustworthy and economical answer for the needs in industry. The unit primarily comprises two concentric rings races 1 & 2, With the core circle mounted on the shaft rotating with sprag cage 3, Fixed with pins and circlips in freewheeling action. The specially contoured sprags 4 are individually spring loaded and are guided in the cage. The outer race is fixed and locked to the body of the gearbox or the apparatus structure. The special feature of this type is when speed the sprags, Reaches lift, Off stage disengage completely and rotate free without any contact or friction with the outer race thus making the unit free of wear.