What does the bearing sleeve look like on the inside for tractors that have the zerk/vent arrangement? Is there a grease channel or other groove that runs between the zerk and the vent hole? Adding the zerk and vent may be a good mod for my tractor front axle.My MX6000 has a square drive plug that needs to be removed before greasing the zerk fitting at the front axle pivot point.
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View attachment 157884
Thanks in advance.