Heavy Duty Black Caster Wheel With Bearing 
	
	Housing: 
	Solid steel welded construction, 
	zinc plated double ball-race swivel head, 
	dust-proof seal heat treated ball-race, 
	hardened steel balls 
	  
	Wheel: 
	Materials: Elastic Rubber 
	Bearing type: Precision double ball bearing 
	
 
	
	Feature: 
	4-8 inch black caster wheels for industry trolley cart, the dust cover is acceptable. 
	
 
	Top plate dimension: 
	
 
	
 
	European type plate is available: 
	
 
	Remark: Top plate size can be customized.