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A - Sheave
Part
diameter and
No.
description
30 mm single
1200
30 mm double
1201
1202
40 mm single
1203
50 mm single
60 mm single
1204
Max line Ø*
Part
Description
1200 30 mm single
1201 30 mm double
1202 40 mm single
1203 50 mm single
1204 60 mm single
*Tip: When selecting line diameter, use one
size smaller for smooth-running blocks.
H
B -
C - Hole
Fasteners
spacing
(FH)
mm
in
mm
in
5
#10
57
2.24
5
#10
79
3.12
6
1/4
83
3.27 106.7 4.20 24.1
6
1/4
90
3.54 116.8 4.60 28.6 1.13 40.3 1.59
8
1/4
105
4.13 128.6 5.06 28.6 1.13 50.5 1.99
F
mm
in
8
5/16
12
1/2
Part
Description
No.
1200 30 mm single
1201 30 mm double
1202 40 mm single 18.4
1203 50 mm single
1204 60 mm single
I
Specifications
Top plate dimensions
D - Length
E - Height
mm
in
mm
in
74.6 2.94 24.8
.98
97.1 3.82 24.8
.98
.95
B
Sideplate Dimensions
H - Width
mm
in
mm
17
.67
44.5 1.75 18.2
17
.67
68.8 2.71 18.2
.73
57.9 2.28 19.7
22
.87
70.2 2.76 23.3
23
.91 82.75 3.26 24.3
J
2
F - Depth
G - Maximum
working load
mm
in
kg
20.5
.81
250
20.5
.81
250
30.2 1.19
400
800
1200
A
C
D
Cutout Dimensions
I - Length
J - Width
in
mm
in
.72
.72
.78
.92
.96
K
Breaking
load
lb
kg
lb
551
500
1103
551
500
1103
882
800
1764
1764
1600 3528
2646
2400 5292
G
E
K - Length
mm
in
45.7 1.80
70.1 2.76
59.2 2.33
71.5 2.81
84.0 3.31
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