with
Keyway
without
Keyway
Max bore dia H7
11
16
19
24
28
32
38
42
48
–
14
19
24
28
32
38
42
48
65
80
59
Fax: +44 (0)1992 509890
5
GEAR COUPLERS (SERIES NSG)
standard pilot bored couplers
custom bored couplers – supplied to order
to order
Dimensions are as for standard pilot bored couplers.
1. Use order codes as for standard pilot bored couplers.
Add one bore diameter if specifying hubs only.
Add both bore diameters if specifying complete couplers
even when both bores are the same.
2. Specify your requirement for keyways, fasteners and fastener
position.
3. If no keyways or fasteners are required, please state.
*Dimensions with coupler correctly installed.
D1 D2
L1
L2
L4
L2
L5
L3
Pilot
Bore
P
Keyways to
BS4235 Part 1.
Size
D1
D2
L1*
L2
L3*
L4
L5
Nom.
P
No.
of
Teeth
Hub Only
Order Code
Sleeve Only
Order Code
Complete
Coupler
Order Code
40
25
48
20
8
5.5
37
4.57
20
48
32
53
22
9
8.0
37
9.35
24
52
36
56
22
12
7.5
41
9.35
28
66
44
84
36
12
19.0
46
6.17
34
76
50
84
36
12
18.0
48
11.94
40
83
58
84
36
12
18.0
48
10.92
44
92
65
88
38
12
19.0
50
10.92
50
100
68
104
46
12
27.0
50
10.92
50
140
96
145
70
5
35.6
72
12.70
42
175
124
186
90
6
46.5
93
25.00
46
14/40
19/48
24/52
28/66
32/76
38/83
42/92
48/100
65/140
80/175
425.14040.0000
425.19048.0000
425.24052.0000
425.28066.0000
425.32076.0000
425.38083.0000
425.42092.0000
425.48100.0000
425.65140.0000
425.80175.0000
423.14040
423.19048
423.24052
423.28066
423.32076
423.38083
423.42092
423.48100
423.65140
423.80175
420.14040.00
420.19048.00
420.24052.00
420.28066.00
420.32076.00
420.38083.00
420.42092.00
420.48100.00
420.65140.00
420.80175.00