(1)2" Nylon Roller
(2)4" stem 11 balls
(3)superficial treatment: zinc plated
(4)Rating: 75 lbs load@ 750,000
(5)Packing: standard export package,150 pcs /CTN or customized.
(6) ISO 9001
(7) Wheel dia: 46mm or 1 13/16”
(8) Track: 2"
Details of Garage Door Rollers 2" White Nylon 11 Ball Bearing 7" Stem