Chapter 4 Preparations for installation
13
4.2.3. Reduction gear mounting bolts
Prepare bolts according to the size and quantity of the motor mounting flange, case installation bolts
and shaft installation bolts indicated in the separately provided “Outer dimensions” drawings and
specification sheet.
For the catalog products described in “2.2. Parts codes of catalog products”, refer to the size and
quantity of the bolts listed in Table 4-4 and Table 4-5.
Select the appropriate bolt length based on the mounting dimensions of the components prepared by
the customer and the reduction gear.
Prepare the following bolts recommended by Nabtesco. However, be sure to use a taper pin for the
pin/bolt clamping output shaft type*.
Hexagon socket head cap screw
JIS B 1176 : 2006
Strength class
JIS B 1051: 2000 Grade 12.9
Thread
JIS B 0209 : 2001 6g
For motor mounting flange and case installation
component
Table 4-4
For shaft installation component
Table 4-5
Model
Bolt tightening type
* Pin/bolt clamping output
shaft type or
through bolt type
Model
Bolt tightening type
* Pin/bolt clamping output
shaft type or
through bolt type
Nominal size
× pitch
Required
Qty.
Nominal size
× pitch
Required
Qty.
Nominal size
× pitch
Required
Qty.
Nominal size
× pitch
Required
Qty.
RV-6E
M5 × 0.8
8
-
-
RV-6E
M8 × 1.25
6
-
-
RV-20E
M6 × 1.0
16
M6 × 1.0
8
RV-20E
M10 × 1.5
6
M10 × 1.5
4
RV-40E
M8 × 1.25
16
M8 × 1.25
8
RV-40E
M14 × 2.0
6
M12 × 1.75
4
RV-80E
M8 × 1.25
16
M8 × 1.25
8
RV-80E
M8 × 1.25
M10 × 1.5
12
6
M12 × 1.75
3
RV-110E
M10 × 1.5
12
-
-
RV-110E
M12 × 1.75
12
-
-
RV-160E
M12 × 1.75
12
M12 × 1.75
8
RV-160E
M8 × 1.25
M16 × 2.0
15
6
M14 × 2.0
3
RV-320E
M12 × 1.75
16
M12 × 1.75
8
RV-320E
M10 × 1.5
M16 × 2.0
18
6
M16 × 2.0
3
RV-450E
M12 × 1.75
24
M12 × 1.75
12
RV-450E
M12 × 1.75
M16 × 2.0
21
6
M16 × 2.0
3
RV-10C
M6 × 1.0
8
M6 × 1.0
8
RV-10C
M8 × 1.25
6
M10 × 1.5
4
RV-27C
M6 × 1.0
12
M6 × 1.0
12
RV-27C
M8 × 1.25
8
M12 × 1.75
4
RV-50C
M8 × 1.25
8
M8 × 1.25
8
RV-50C
M10 × 1.5
9
M12 × 1.75
6
RV-100C
M10 × 1.5
14
M10 × 1.5
14
RV-100C
M12 × 1.75
9
M14 × 2.0
6
RV-200C
M12 × 1.75
8
M12 × 1.75
8
RV-200C
M16 × 2.0
9
M16 × 2.0
6
RV-320C
M12 × 1.75
16
M12 × 1.75
18
RV-320C
M16 × 2.0
15
M18 × 2.5
9
RV-500C
M12 × 1.75
24
-
-
RV-500C
M16 × 2.0
18
-
-
RV-15
-
-
M6 × 1.0
6
RV-15
-
-
M8 × 1.25
6
RV-30
-
-
M6 × 1.0
12
RV-30
-
-
M10 × 1.5
6
RV-60
-
-
M8 × 1.25
8
RV-60
-
-
M10 × 1.5
3
RV-160
M10 × 1.5
16
M12 × 1.75
12
RV-160
M10 × 1.5
M14 × 2.0
12
6
M14 × 2.0
3
RV-320
M12 × 1.75
16
M12 × 1.75
8
RV-320
M16 × 2.0
21
M16 × 2.0
3
RV-450
M12 × 1.75
24
M12 × 1.75
12
RV-450
M16 × 2.0
21
M16 × 2.0
3
RV-550
M14 × 2.0
24
M14 × 2.0
24
RV-550
M8 × 1.25
M16 × 2.0
6
24
M16 × 2.0
24
