Drawing Library 　Gear Reducer for Servo Motors

Worm gear head 　(Click here for the Hypoid Gear Head and Helical Gear Head )

Selected model No. ：

Display drawing


＊Select each item in order from the left to make sure a valid model number is generated.

Series Size Mounting Position Reduction ratio Shaft Arrangement Mount code










E
W












Please refer to the motor mount dimension drawings below,
and select the specific mount code.

S
W

Series

EWJMK・EWMK：This model is primarily for foot mounting. This specifies the EWJMK Series for sizes 70 or smaller, and the EWMK Series for sizes 80 or above.

SWJMK・SWMK：This model is primarily for flange mounting or shaft mounting. This specifies the SWJMK Series for sizes 70 or smaller, and the SWMK Series for sizes 80 or above.

Size

This indicates the size of the gear reducer.

Mounting Position

E or  T：E: On this type, it can be mounted in any direction. (Applies to EWJMK and SWJMK Series)
T: On this type, the input shaft is located above the output shaft. (Applies to EWMK and SWMK Series)

B：On this type, the input shaft is located below the output shaft.

V：On this type, the output shaft is vertical.

Refer to the diagram below for details.

Reduction ratio

This indicates the reduction ratio.

Shaft Arrangement

This shows the relation of the input and output shafts to the mounting surface.

Refer to the diagram below for details.

Mount code

Specify the mount code that corresponds to the motor to be mounted.


Retry from the beginning.


EWJMK・EWMK
Mounting Position E, T V
Shaft Arrangement
SWJMK・SWMK
Size 35～63 70 80, 100
Mounting Position E E T B V
Shaft Arrangement

Motor Mounting Dimension Drawings

Units ：mm

Size Mount code
Table of Compatible Motors
by Manufacturers 		Coupling Motor Mounting Dimensions
Model No. Allowable Torque
N・m		 MA MB MC MD ME ML MS MT
EWJMK35
SWJMK35		 E4DC NES70W 7 □60 Φ50G7 M5Depth 10
(PCD70)		 5 80 25 Φ8 M3
E4HC 30 Φ14
EWJMK42
SWJMK42		 E4DC NES70W 7 □60 Φ50G7 M5Depth 10
(PCD70)		 5 80 25 Φ8 M3
E4HC 30 Φ14
EWJMK50
SWJMK50		 G2HC NES250W 25 □80 Φ70G7 M6Depth 10
(PCD90)		 5 110 (EWJMK)
100 (SWJMK)		 30 Φ14 M4
G5LC 40 Φ19
EWJMK63
SWJMK63		 G2HC
(SWJMK only )		 NES250W 25 □80 Φ70G7 M6Depth 10
(PCD90)		 5 --- 30 Φ14 M4
G5LC 40 Φ19
K2LC NES800W 80 □130 Φ110G7 M8Depth 13
(PCD145)		 8 --- 40 Φ19 M6
K3YC 55 Φ24
L1MC NES1300W 130 □176 Φ114.3G7 M12Depth 16
(PCD200)		 8 --- 55 Φ22 M6
L1PC 55 Φ28
L1RC 79 Φ35
EWJMK70
SWJMK70		 G2HC
(SWJMK only )		 NES250W 25 □80 Φ70G7 M6Depth 10
(PCD90)		 5 --- 30 Φ14 M4
G5LC
(SWJMK only )		 40 Φ19
K2LC NES800W 80 □130 Φ110G7 M8Depth 13
(PCD145)		 8 --- 40 Φ19 M6
K3YC 55 Φ24
L1MC NES1300W 130 □176 Φ114.3G7 M12Depth 16
(PCD200)		 8 --- 55 Φ22 M6
L1PC 55 Φ28
L1RC 79 Φ35
EWMK80
SWMK80		 K2LC NES800W 80 □130 Φ110G7 M8Depth 13
(PCD145)		 8 --- 40 Φ19 M6
K3YC 55 Φ24
L1MC NES1300W 130 □176 Φ114.3G7 M12Depth 16
(PCD200)		 8 --- 55 Φ22 M6
L1PC 55 Φ28
L1RC 79 Φ35
EWMK100
SWMK100		 L1MC NES1300W 130 □176 Φ114.3G7 M12Depth 16
(PCD200)		 8 --- 55 Φ22 M6
L1PC 55 Φ28
L1RC 79 Φ35