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Interpreting a drawing of a bearing

Interpreting a drawing of a bearing

Interpreting a drawing of a bearing

(OP)
Hi Folks,

Could you please help me interpret the area inside the blue circle in the following image:

[img http://gdurl.com/UaynE]

My understanding is that it should be an empty space designed for free passage of the lubricant oil. However, I cannot figure out why there should be some visible lines inside that area in the drawing. Any help would be much appreciated.

RE: Interpreting a drawing of a bearing

The cover has a pilot diameter that centers the cover and also clamps, or at least retains the outer race.
As you suspected, there are slots to permit lubricant flow.
The section view happens to be through some of those slots.

Similar to this cover which has just one slot.
http://www.tbtrans.com/14d106a0.jpg

RE: Interpreting a drawing of a bearing

The centerline in the outer flange is the axis of a drilled hole connecting the grease fitting and a notch in the upper bearing retainer face. This allows the new grease charge added during service to flow thru the bearing space and clear out any contaminates.

One thing this arrangement requires, but not shown in the drawing, is some method to ensure the upper retainer face notch is aligned with the lube hole at assembly.

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