HS-21-B Western Manila Rope Blocks
|
Regular Wood Blocks for Manila Rope |
- Laser cut side plates
- Grade 5 bolts secured with lock washers and staked nuts.
- Bronze bushed sheaves with larger bearing diameter for extended block life.
- Beckets furnished on all blocks. For reeving information, see page 346.
|
Block Size (in.) |
Fitting |
Single Sheave 21 B Stock No. |
Double Sheave 22 B Stock No. |
Triple Sheave 23 B Stock No. |
4 |
HS |
603831 |
604634 |
605438 |
5 |
HS |
603859 |
604652 |
605456 |
6 |
HS |
603877 |
604670 |
605474 |
8 |
HS |
603911 |
604714 |
605517 |
4 |
N |
606437 |
606838 |
607230 |
5 |
N |
606455 |
606856 |
607258 |
6 |
N |
606473 |
606874 |
607276 |
8 |
N |
606516 |
606918 |
607310 |
4 |
S |
610039 |
611635 |
613232 |
5 |
S |
610057 |
611653 |
613250 |
6 |
S |
610075 |
611671 |
613278 |
8 |
S |
610119 |
611715 |
613312 |
Block
Size (in.) |
Sheave Dimensions
(in.) |
Manila Rope Size (in.) |
Working Load Limit
(lbs.)* |
Weight Each
(lbs.) |
Outside Diam. |
Rim Thickness |
Center Pin Diam. |
21 Single |
22 Double |
23 Triple |
21 Single |
22 Double |
23 Triple |
4 |
2.25 |
.63 |
.38 |
1/2 |
1000 |
1400 |
1800 |
1.75 |
3.00 |
4.00 |
5 |
3.00 |
.75 |
.38 |
5/8 |
1200 |
1800 |
2400 |
3.25 |
5.60 |
6.50 |
6 |
3.50 |
1.00 |
.50 |
3/4 |
1800 |
2500 |
3200 |
5.00 |
8.50 |
11.50 |
8 |
4.75 |
1.13 |
.63 |
7/8 - 1 |
2800 |
3800 |
4800 |
13.00 |
14.00 |
21.50 |
* Ultimate Load is 4 times the Working Load Limit.
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