The opening roller removes the fibre from the sliver as it is fed in, and, after two or three rotations, delivers them to the feed tube in which the airflow takes them to the rotor. The trash particles are extracted by centrifugal forces in the first 90掳 of the opening roller revolution. Characteristic of Opening Roller Designation脴D脴dL/mmL1Md1Limited Speed r/mm 76-33016733916.9 10,000 76-3-KK3016733916.9 10,000 76-3-130169639-M16X1.510,000 73-1-4324106541.811.6 15,000 76-2-8301649.5436.5M815,000 Custom size requirement are also available Features 鈼?Textile machinery parts 鈼?Resistant against rust 鈼?Easy installation 鈼?Precise dimensions 鈼?Surface smooth 鈼?Spindle durable 鈼?Variety of choices Applications Wide assortment of rotor spindles are used: 鈼?In non- spindle spinning machines 鈼?By housing a bearing of spinning chamber and of a card hackling disk 鈼?Press pulley bearings 鈼?In arrangements of textile spindles 鈼?In texturing machinesCustomized Special Ball Bearing website:http://www.ftm-parts.com/precision-special-bearings/special-ball-bearing/