... 2008 certificate Powder metallurgy sintered cheap bearings manufacturer for garden tools Features: 1High density and good strength2Good abrasion ... Sprockets, Helical Gears, Bevel gears, Double Gears, Spur gear, Curved gear, Rack gear, Circular gear, Driving & driven gear, ... saving.7. Application: our products are widely used in garden tools, power tools, automobile, motorcycle, farm machinery, home ...