8
•
z
Stepped load shaft
Secure the retaining ring to the load shaft by tightening the hexagonal socket
head screw over a spacer, flat washer and spring washer.
Flat washer
Spacer
Retaining ring
Stepped load
shaft
Parallel
key
Spring washer
Hexagonal socket
head screw
Retaining ring
Hollow output
shaft
Hexagonal
socket head
screw
Spring washer
Flat washer
Spacer
Parallel key
Load shaft
ØD
The load can be mounted using an end plate. Refer to the USER MANUAL
for details.
•
z
Non-stepped load shaft
Install a spacer on the load shaft side and secure the retaining ring to the load
shaft by tightening the hexagonal socket head screw over a spacer, flat washer
and spring washer.
Flat washer
Spacer
Retaining ring
Load shaft
Parallel
key
Spring washer
Hexagonal socket
head screw
Retaining ring
Hollow output
shaft
Hexagonal
socket head
screw
Spring washer
Flat washer
Spacer
Spacer
Parallel key
Load shaft
Spacer
Recommended load shaft installation dimensions [Unit: mm (in.)]
Model
Inner diameter
of hollow shaft
(H8)
Recommended
diameter of load
shaft (h7)
Nominal
diameter
of retaining
ring
Outer
diameter
of stepped
shaft (ØD)
BLE23
Ø12
+ 0.027
0
(Ø0.4724
+ 0.0011
0
)
Ø12
0
-
0.018
(Ø0.4724
0
-
0.0007
)
Ø12
(Ø0.47)
20 (0.79)
BLE46
Ø15
+ 0.027
0
(Ø0.5906
+ 0.0011
0
)
Ø15
0
-
0.018
(Ø0.5906
0
-
0.0007
)
Ø15
(Ø0.59)
25 (0.98)
BLE512
Ø20
+ 0.033
0
(Ø0.7874
+ 0.0013
0
)
Ø20
0
-
0.021
(Ø0.7874
0
-
0.0008
)
Ø20
(Ø0.79)
30 (1.18)
Model
Applicable screw
Spacer thickness
BLE23
M4
3 (0.12)
BLE46
M5
4 (0.16)
BLE512
M6
5 (0.20)
Permissible radial load and permissible axial load
Make sure the radial load and axial load received by the motor, gearhead
output shaft will not exceed the allowable values shown in the table below.
•
z
Combination type • parallel shaft gearhead
Model
Distance from output shaft end
of gearhead and permissible
radial load [N (lb.)]
*
Permissible
axial load
[N (lb.)]
Gear ratio
10 mm
(0.39 in.)
20 mm
(0.79 in.)
BLE23
5
100 (22)
[90 (20)]
150 (33)
[110 (24)]
40 (9)
10 to 20
150 (33)
[130 (29)]
200 (45)
[170 (38)]
30 to 200
200 (45)
[180 (40)]
300 (67)
[230 (51)]
BLE46
5
200 (45)
[180 (40)]
250 (56)
[220 (49)]
100 (22)
10 to 20
300 (67)
[270 (60)]
350 (78)
[330 (74)]
30 to 200
450 (101)
[420 (94)]
550 (123)
[500 (112)]
BLE512
5
300 (67)
[230 (51)]
400 (90)
[300 (67)]
150 (33)
10 to 20
400 (90)
[370 (83)]
500 (112)
[430 (96)]
30 to 200
500 (112)
[450 (101)]
650 (146)
[550 (123)]
∗
*
The values assume a rated speed of 3000 r/min or below.
The values in [ ] are based on a rated speed of 4000 r/min.
•
z
Combination type • hollow shaft flat gearhead
Model
Distance from gearhead
mounting surface and
permissible radial load
[N (lb.)]
*
Permissible
axial load
[N (lb.)]
Gear ratio
10 mm
(0.39 in.)
20 mm
(0.79 in.)
BLE23
5, 10
450 (101)
[410 (92)]
370 (83)
[330 (74)]
200 (45)
15 to 200
500 (112)
[460 (103)]
400 (90)
[370 (83)]
BLE46
5, 10
800 (180)
[730 (164)]
660 (148)
[600 (135)]
400 (90)
15 to 200
1200 (270)
[1100 (240)]
1000 (220)
[910 (200)]
BLE512
5, 10
900 (200)
[820 (184)]
770 (173)
[700 (157)]
500 (112)
15, 20
1300 (290)
[1200 (270)]
1110 (240)
[1020 (220)]
30 to 200
1500 (330)
[1400 (310)]
1280 (280)
[1200 (270)]
∗
*
The values assume a rated speed of 3000 r/min or below.
The values in [ ] are based on a rated speed of 4000 r/min.
