The bearing block can be mounted in the mounting bracket in three different positions.? Second there was always a shaft collar used to keep the shaft positioned in the two bearing blocks.? If you read my other post on this subject there is a metal ring that dropped into the slot and rides on the shaft bringing lube oil up from the reservoir below the shaft. This is a plain bearing? meaning the shaft rides right on the cast iron of the bearing block.? Given the use of he lube ring and oil these things will last for a very long time.? Also remember that the countershaft that rides in these bearings blocks never turns more than 400 rpm.

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