4-5
4-1 Installation Conditions
System Design
4
Oil Seal Part Numbers
With OMNUC G-Series Servomotors, an oil seal can be installed afterwards.
Refer to the installation instructions from NOK Corporation for information on installing the oil seal.
The following oil seals are not standard NOK products. Check with the manufacturer.
The expected service life of the oil seals is approximately 5,000 hours, but the actual life depends
on the application conditions and environment.
Motor model
Shaft
diameter
(mm)
Outer
diameter
(mm)
Width
(mm)
Material
(rubber)
NOK part number
(SC type)
R88M-G05030
@
8.9
17
4
A435
BC6646-E0
R88M-G10030
@
8.9
17
4
A435
BC6646-E0
R88M-G20030
@
14
28
4
A435
BC5102-E1
R88M-G40030
@
14
28
4
A435
BC5102-E1
R88M-G75030
@
19.8
30
4
A435
BC1141-E1
R88M-GP10030
@
8.9
22
4
A435
BC5101-E1
R88M-GP20030
@
14
28
4
A435
BC5102-E1
R88M-GP40030
@
14
28
4
A435
BC5102-E1
R88M-G1K030
@
20
35
7
A435
AC1012E2
R88M-G1K530
@
20
35
7
A435
AC1012E2
R88M-G2K030
@
20
35
7
A435
AC1012E2
R88M-G3K030
@
24
38
7
A435
AC1251E1-RA0
R88M-G4K030
@
24
38
7
A435
AC1251E1-RA0
R88M-G5K030
@
24
38
7
A435
AC1251E1-RA0
R88M-G1K020
@
24
38
7
A435
AC1251E1-RA0
R88M-G1K520
@
24
38
7
A435
AC1251E1-RA0
R88M-G2K020
@
24
38
7
A435
AC1251E1-RA0
R88M-G3K020
@
24
38
7
A435
AC1251E1-RA0
R88M-G4K020
@
30
45
7
A435
AC1677E1-RA0
R88M-G5K020
@
40
58
7
A435
AC2368E2
R88M-G7K515
@
45
62
9
A435
AC2651E2
R88M-G90010
@
24
38
7
A435
AC1251E1-RA0
R88M-G2K010
@
40
58
7
A435
AC2368E2
R88M-G3K010
@
40
58
7
A435
AC2368E2
R88M-G4K510
@
45
62
9
A435
AC2651E2
R88M-G6K010
@
45
62
9
A435
AC2651E2