Product Information: The fully assembled pre-lubed Ultra-Pack unit features a greasing system that lets you repack bearings without removing the hub so blowing out the rear seal is no longer a concern. This new proprietary system allows you to quickly and easily insert fresh grease through the zerk fitting. Grease flows through both the inner and outer bearing, pushing old grease out the front for a complete repack.
This is a new set (4) of 4" TOTAL LOCK swivel COLSON casters, load capacity is 325 pounds each so they can hold a lot of weight! Mounting plate is 2 1/2" x 3 1/2". The overall height of the caster is 5 1/4", the wheel is 4" and the width of the wheel is a little over 1".
Long lasting, high speed bearings for heavy-duty applications. Part # 499502H-NR has a Snap Ring clip which acts as a flange to seat the bearing. Bore: 5/8" X OD: 1-3/8" x Width: This is the same bearing as a 99502H but this bearing has a snap ring Check out my other items!
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