Couplings
1set customize fee
Shaft diameter
Keyway width
Keyway depth
Tolarance
0.5usd for LD / LF / LB / LE
1usd for LL / LT/ LR
2usd for LP (line cutting)
Customization link
10-12mm
4mm
1.8mm
0.1mm
12.7-17mm
5mm
2.3mm
18-22mm
6mm
2.8mm
23-30mm
8mm
3.3mm
0.2mm
31-38mm
10mm
3.3mm
39-44mm
12mm
3.3mm
45-50mm
14mm
3.5mm
51-58mm
16mm
4.3mm
59-65mm
18mm
4.4mm
Model
D(mm)
L(mm)
D1-D2
(mm)
M Number of
screws
(pcs)
L1
(mm)
Screw fasten

(n.m)
LL-B-D16L16
16
16
3-8
M2.5
2 4 1.1
LL-B-D16L24
16
24
3-8
M2.5
2 3 1.1
LL-B-D20L20
20
20
4-10
M3
2 5 2.1
LL-B-D20L25
20
25
4-10
M3
2 6.25
2.1
LL-B-D20L30
20
30
4-10
M3
4 4 2.1
LL-B-D25L25
25
25
5-12
M3
2 6.5
2.1
LL-B-D25L35
25
35
5-12
M3
4 5.5
2.1
LL-B-D25L40
25
40
5-12
M3
4 5 2.1
LL-B-D32L32
32
32
6-16
M4
2 7.5
4.9
LL-B-D32L42
32
42
6-16
M4
4 6 4.9
LL-B-D32L45
32
45
6-16
M5
4 5.75
10
LL-B-D40L50
40
50
8-20
M5
2 6.5
10
LL-B-D40L60
40
60
8-20
M5
4 8 10
LL-D-D16L16
16
16
3-8
M3
/ 4 2.1
LL-D-D16L24
16
24
4-8
M3
/ 8 2.1
LL-D-D20L20
20
20
4-10
M3
/ 5 2.1
LL-D-D20L30
20
30
5-10
M3
/ 10
2.1
LL-D-D25L25
25
25
5-12
M4
/ 6.5
4.9
LL-D-D25L35
25
35
6-12
M4
/ 12
4.9
LL-D-D32L32
32
32
6-16
M5
/ 8 10
LL-D-D32L42
32
42
8-16
M5
/ 12
10
Model
Rated
(n.m)
Maximum
(n.m)
Maximum speed
(rpm)