Answers to Guess the Device by Image 20180704 have been released
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This post was last edited by wawa*n*ntaozi on 2018-7-11 at 11:28. Continuing with the picture-based device guessing game – in this round, guess the structure of the components. What is the purpose of the grooves on both sides of the inner ring of a bearing? Answer: This is the groove for installing the sealing cover; the bearing model is 6207-2RS1. A synthetic rubber contact seal with backing steel plates on both sides. Active participants receive a 5 wealth reward, those who answer correctly get a 10 wealth reward, and those who guess the bearing type (without specifying the exact model) receive a 5 wealth reward. This post is valid for 3 days; we welcome all forum members to actively participate and support the development of the forum! ! Chemical Equipment and Machinery
This is probably used to fit a dust cover, or for storing lubricant
It should be a deep groove ball bearing with a dust-proof inner ring, and two grooves on the outside for installing dust-proof washers.
The image shows the inner ring of the bearing, with a dust cover
Dust-proof rolling bearing with fixed dust cover
For deep groove ball bearing inner rings, the small grooves on both sides are present only in bearings equipped with dust seals or sealing rings; such bearings have model numbers starting with 6.