... nodal width 23.6, upper width of the teeth 25.4, height of the belt 12.7,height ... nodal width 29.6, upper width of the teeth 31.8, height of the belt 15.1,height ... nodal width 35.5, upper width of the teeth 38.1, height of the belt 17.5,height ... nodal width 41.4, upper width of the teeth 44.5, height of the belt 19.8,height ... nodal width 47.3, upper width of the teeth 50.8, height of the belt 22.2,height ...