They have needle bearings in them with reducers so you can use either 3/4" shaft or 1/2" shafts Grease Nipple on them as well. Great for all sorts of projects.
Run on top of angle iron just perfectly. Thanks for your looking and your business. THIS IS A SET OF FOUR WHEELS FOR 79.99!SUPER FOR MANY APPLICATIONS FROM SAWMILL TO MINING TO HOME TO WHY? The item "V Groove Casters Heavy Duty 4 CARRIAGE/SAWMILL WHEELS SET OF FOUR WHEELS" is in sale since Thursday, May 16, 2013. This item is in the category "Business & Industrial\Material Handling\Casters & Wheels\Casters". The seller is "pgsaw" and is located in Prince George, British Columbia. This item can be shipped worldwide.