0 pairs list the angle and contact the ball bearing
1 adjusts the heart ball bearing
2 transfer heart roll sub bearing and thrust transfer heart get away sub bearing
3 taper get away sub bearing
4 pairs list the deep ditch ball bearing
5 thrust ball bearings
6 deep ditches of ball bearings
7 mao contacts the ball bearing
8 the intersection of thrust and cylinder get away sub bearing
9 the intersection of thrust and taper get away sub bearing
N Sub bearing of the cylinder roller
Add 1 or several the intersection of letter and code after the code, used for, say, block structural pattern, for instance: NJ, NU, NUP,etc.. Pair lists or lists more cylinders and rolls the sub bearing is indicated by letter NN. The needle bearing is usually indicated by letter NA or NK.
U Exterior sphere ball bearing
QJ contacts the ball bearing at four o’clock