Bearing inner ring
A technology of bearing inner ring and overtravel groove, applied in the field of bearing inner ring, can solve the problems of hand-grinding tool danger, uneven quality of tool head, cracking, etc., so as to avoid product quality problems, prevent cracking problems, and avoid safety accidents Effect
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[0009] The present invention will be further explained below in conjunction with the drawings in the specification:
[0010] Referring to Figure 1 and Figure 2, the outer wall of the bearing inner ring 1 has ribs 2 at both ends, and an overtravel groove 3 is opened at the bottom of the rib 2. The direction of the overtravel groove 3 is at a 45° angle to the center line of the bearing inner ring 1. The bottom surface of the trough 3 and the two sides of the trough 3 are smoothly transitioned. In the anti-cracking bearing inner ring of the present invention, by designing the bottom of the overtravel groove 3 as a smooth transition, it can effectively prevent the problem of cracking caused by stress concentration. It does not interfere with the raceway and ribs 2, and the optimized design of the overtravel groove 3 can use the forming machine clamping knife instead of hand sharpening, avoiding product quality problems due to the instability of hand sharpening quality, and avoiding e...
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