7mm Steel Bearings - For 4mm axis

Data sheet Catalogue code LOZ-OC4-7 Material Steel 1.7131 Maximum suitable spring M200 Surface finishing Blackening Shaft diameter 4 mm Kinetic/Sliding friction (lower is better) 0,37 - 0,45 Package includes 6 pieces More info Producer: Airsoft parts Steel bearings for AEG airsoft guns. Bearings are made by machining on CNC machines. They are heat treated to ensure long life. !! ATTENTION: bearings - 4mm can be combined only with gears with a 4mm shaft diameter . !! Advantages: Long-life time They do not contain a lubricating groove which causes abrasion of the gear shafts