The limit pressure angle is related to such factors as offset angle, mean spiral angle, pitch cone angle and mean pitch conediameter, not to geometrical shape of the tooth surface.
极限压力角受偏置角、大小轮的螺旋角、节锥角和中点的分度圆直径影响，而与齿面的其他参数无关等结论。
2
If you're trying to check a 3d cone as a 2d dia at a certain Z level then, yes probe diameter will affect accuracy.
如果你尝试在其中特定z值平面内用一个2维测头测量一个3d立体圆锥体。那么探针直径将会影响精度。
3
STAND: Overall width of the assembled bearing; refers to the combination of sizes of the cone, outer diameter, cup, inner diameter, and roller.