Mitsubishi Electric MELSERVO-J4 Series Transition Handbook page 417

Part 7: Common Reference Material
MR-J3-11K_(-LR)/MR-J3-15K_(-LR)/MR-J3-22K_ MR-J4-11K_/MR-J4-15K_
220
2-φ6 mounting hole
12 196
6
260
12 236
2-φ12 mounting hole
12
7 - 40
Approx. 80 260
Approx. 28
12
10.5
Cooling fan
exhaust
24.2
TE2
Intake
188
With
MR-BAT6V1SET 57.9
224.2
237.4
MR-J4-22K_
Approx. 80
260
Approx. 28
12
Cooling fan
exhaust
32.7
11
TE2
188.5 Intake
With
59.9
MR-BAT6V1SET
223.4
235.4
11
PE
TE1-1
TE1-2
25.5 22.8
5 × 25.5 (= 127.5)
TE1-1
TE1-2
PE
25.5 22.8
5 × 25.5 (= 127.5)