About this item 
                 -  Polyurethane tread on Aluminum core  
   -  Wheel Diameter Ranges: 4"/5"/6"/8", Wheel Tread Width: 2"  
   -  Axle Bore :1/2", Hub Length: 2-7/16", Bearing Size: ¾”Roller Bearing  
   -  Durometer: 92 Shore A (+/-5), Temperature range: -30° F to +180° F  
   -  Weight capacity ranges : 4"wheel: 800 lbs. 5"wheel: 1000 lbs. 6"wheel: 1200lbs. 8"wheel: 1400lbs.  
   
   
               Polyurethane tread on Aluminum core
Wheel Diameter Ranges: 4"/5"/6"/8", Wheel Tread Width: 2"
Axle Bore :1/2", Hub Length: 2-7/16", Bearing Size: ¾”Roller Bearing
Durometer: 92 Shore A (+/-5), Temperature range: -30° F to +180° F
Weight capacity ranges : 
- 4"wheel: 800 lbs. 
 
- 5"wheel: 1000 lbs. 
 
- 6"wheel: 1200lbs.
 
-  8"wheel: 1400lbs.