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- Crosby 'HS21B', 'HS22B' & 'HS23B' Regular Wood Manila Pulley Blocks, Optional No. of Sheaves (1-3), WLL Range from 450kg to 2180kg
Crosby 'HS21B', 'HS22B' & 'HS23B' Regular Wood Manila Pulley Blocks, Optional No. of Sheaves (1-3), WLL Range from 450kg to 2180kg
Western Regular Wood Blocks for Manila Rope.
Model:
Western HS-21-B, HS-22-B & HS-23 / RWMB-2539
- 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.
- Meets or exceeds all requirements of ASME B30.26 including identification, ductility, design factor, proof load and temperature requirements. Importantly, these blocks meet other critical performance requirements including fatigue life, impact properties and material traceability, not addressed by ASME B30.26
Block Types
| Block Size (in.) |
Fitting# | Single Sheave | Double Sheave | Triple Sheave |
| HS-21 B Stock No. |
HS-22 B Stock No. |
HS-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 |
#Fitting Type: HS-Latch Hook; N-Swivel Hook with Latch; S- Round Pin Anchor Shackle
Imperial Specifications
| Block Size (in.) | Sheave Dimensions (in.) | Manila Rope Size(in.) | Working Load Limit (lbs.)* | Weight Each (lbs.) | ||||||
| Outside Dia. |
Rim Thickness |
Center Pin Dia. |
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 | 9.00 | 14.00 | 21.50 |
Metric Specifications
| Block Size | Sheave Dimensions (mm) | Manila Rope Size (mm) | Working Load Limit (t)* | Weight Each (kg.) | ||||||
| Outside Dia. | Rim Thickness | Center Pin Dia. | 21 Single |
22 Double |
23 Triple |
21 Single |
22 Double |
23 Triple |
||
| 4 | 57.0 | 16.0 | 9.65 | 13 | 0.45 | 0.64 | 0.82 | 0.79 | 1.36 | 1.81 |
| 5 | 76.0 | 19.1 | 9.65 | 16 | 0.54 | 0.82 | 1.09 | 1.47 | 2.54 | 2.95 |
| 6 | 89 | 25.4 | 12.7 | 19 | 0.82 | 1.13 | 1.45 | 2.27 | 3.86 | 5.22 |
| 8 | 121 | 28.7 | 16.0 | 22-26 | 1.27 | 1.72 | 2.18 | 5.9 | 6.35 | 9.75 |
*Ultimate Load is 4 times the Working Load Limit.
Product Warnings
(approx. 0.5Mb) Crosby catalogue page 354
(approx. 0.2Mb)- 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.
- Meets or exceeds all requirements of ASME B30.26 including identification, ductility, design factor, proof load and temperature requirements. Importantly, these blocks meet other critical performance requirements including fatigue life, impact properties and material traceability, not addressed by ASME B30.26
Block Types
| Block Size (in.) |
Fitting# | Single Sheave | Double Sheave | Triple Sheave |
| HS-21 B Stock No. |
HS-22 B Stock No. |
HS-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 |
#Fitting Type: HS-Latch Hook; N-Swivel Hook with Latch; S- Round Pin Anchor Shackle
Imperial Specifications
| Block Size (in.) | Sheave Dimensions (in.) | Manila Rope Size(in.) | Working Load Limit (lbs.)* | Weight Each (lbs.) | ||||||
| Outside Dia. |
Rim Thickness |
Center Pin Dia. |
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 | 9.00 | 14.00 | 21.50 |
Metric Specifications
| Block Size | Sheave Dimensions (mm) | Manila Rope Size (mm) | Working Load Limit (t)* | Weight Each (kg.) | ||||||
| Outside Dia. | Rim Thickness | Center Pin Dia. | 21 Single |
22 Double |
23 Triple |
21 Single |
22 Double |
23 Triple |
||
| 4 | 57.0 | 16.0 | 9.65 | 13 | 0.45 | 0.64 | 0.82 | 0.79 | 1.36 | 1.81 |
| 5 | 76.0 | 19.1 | 9.65 | 16 | 0.54 | 0.82 | 1.09 | 1.47 | 2.54 | 2.95 |
| 6 | 89 | 25.4 | 12.7 | 19 | 0.82 | 1.13 | 1.45 | 2.27 | 3.86 | 5.22 |
| 8 | 121 | 28.7 | 16.0 | 22-26 | 1.27 | 1.72 | 2.18 | 5.9 | 6.35 | 9.75 |
*Ultimate Load is 4 times the Working Load Limit.
Product Warnings
(approx. 0.5Mb) Crosby catalogue page 354
(approx. 0.2Mb)Products of Possible Interest
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Regarding: Crosby 'HS21B', 'HS22B' & 'HS23B' Regular Wood Manila Pulley Blocks, Optional No. of Sheaves (1-3), WLL Range from 450kg to 2180kg
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You can easily add more than one item to the Quote Request. This is highly recommend as we will be able to suit your needs much more efficiently.
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