Logan Bearing #50-D
The #50-D Bearing has an 7/16" (11.112 mm) hex bore and 135 lb (61.236 kg) capacity. It features (12) 1/4" (6.350 mm) carbon steel balls. The Dust-Protected Bearing (Style D) is provided with an outer shield which is fixed to the stationary inner race of the bearing, and does not touch any rotating part. In a reasonably dry-atmosphere, excellent results are obtained with no lubrication whatsoever.