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- Crosby 'P303B' Steel Shell Manila Rope Pulley Block, Optional No. of Sheaves (1-3), WLL Range from 500kg to 3180kg
Crosby 'P303B' Steel Shell Manila Rope Pulley Block, Optional No. of Sheaves (1-3), WLL Range from 500kg to 3180kg
Western Steel Shell Blocks for Manila Blocks.
Model:
Western P-303-B / SSMB-2540
Manilla block with Laser cut side plates. Uses grade 5 bolts secured with lock washers and staked nuts. Bronze bushed sheaves with larger bearing diameter ensure an extended block life. New style hanger for fitting attachment.
Imperial Table
| Block Size (in.) |
Fitting | Single Sheave | Double Sheave | Triple Sheave |
| 301 B* Stock No. |
302 B* Stock No. |
303 B* Stock No. |
||
| 4 | HS (Latch Hook) | 680971 | 681373 | 681774 |
| 6 | HS (Latch Hook) | 680999 | 681391 | 681792 |
| 8 | HS (Latch Hook) | 681015 | 681417 | 681818 |
| 4 | N (Swivel Hook Latch) | 682639 | 683031 | 683433 |
| 6 | N (Swivel Hook Latch) | 682675 | 683077 | 683479 |
| 8 | N (Swivel Hook Latch) | 682719 | 683111 | 683512 |
| 4 | P (Screw Pin Anchor) | 691031 | 692637 | 694234 |
| 6 | P (Screw Pin Anchor) | 691077 | 692673 | 694270 |
| 8 | P (Screw Pin Anchor) | 691111 | 692717 | 694314 |
Metric Table
| Block Size (in.) | Fitting | Single Sheave 301 B* Stock No. | Double Sheave 302 B* Stock No. | Triple Sheave 303 B* Stock No. |
| 4 | HS (Latch Hook) | 680971 | 681373 | 681774 |
| 6 | HS (Latch Hook) | 680999 | 681391 | 681792 |
| 8 | HS (Latch Hook) | 681015 | 681417 | 681818 |
| 4 | N (Swivel Hook Latch) | 682639 | 683031 | 683433 |
| 6 | N (Swivel Hook Latch) | 682675 | 683077 | 683479 |
| 8 | N (Swivel Hook Latch) | 682 719 - | 683111 | - |
| 6 | P (Screw Pin Anchor) | 691 077 - | 692673 | 694270 |
| 8 | P (Screw Pin Anchor) | 691111 | 692717 | 694314 |
*Bearing Code: B - Self Lubricating Bronze Bushed
Imperial Specifications
| Block Size (in.) |
Sheave Size (in.) |
Manila Rope Size (in.) |
Working Load Limit (lbs.)* |
Weight Each (lbs.) |
|||||
| Outside Dia. |
Rim Thickness |
Single | Double | Triple | Single | Double | Triple | ||
| 4 | 2.25 | .63 | 1/2 | 1100 | 1600 | 2200 | 2.25 | 3.75 | 5.00 |
| 6 | 3.50 | 1.00 | 3/4 | 2000 | 3300 | 4000 | 5.50 | 9.25 | 12.50 |
| 8 | 4.75 | 1.13 | 1 | 3300 | 5100 | 7000 | 10.00 | 16.50 | 22.00 |
Metric Specifications
| Block Size (in.) | Sheave Size (mm) | Manila Rope Size (mm) | Working Load Limit (t)* | Weight Each (kg.) | ||||||
| Outside Dia. | Rim Thickness | |||||||||
| Single | Double | Triple | Single | Double | Triple | |||||
| 4 | 57.2 | 16.0 | 13 | .50 | .73 | 1.00 | 1.02 | 1.70 | 2.27 | |
| 6 | 89.0 | 25.4 | 19 | .91 | 1.50 | 1.81 | 2.49 | 4.20 | 5.67 | |
| 8 | 121 | 28.7 | 26 | 1.50 | 2.31 | 3.18 | 4.54 | 7.48 | 9.98 | |
*Ultimate Load is 3.5 times the Working Load Limit.
Product Warnings
(approx. 0.5Mb) Crosby catalogue page 354.pdf
(approx. 0.2Mb)Manilla block with Laser cut side plates. Uses grade 5 bolts secured with lock washers and staked nuts. Bronze bushed sheaves with larger bearing diameter ensure an extended block life. New style hanger for fitting attachment.
Imperial Table
| Block Size (in.) |
Fitting | Single Sheave | Double Sheave | Triple Sheave |
| 301 B* Stock No. |
302 B* Stock No. |
303 B* Stock No. |
||
| 4 | HS (Latch Hook) | 680971 | 681373 | 681774 |
| 6 | HS (Latch Hook) | 680999 | 681391 | 681792 |
| 8 | HS (Latch Hook) | 681015 | 681417 | 681818 |
| 4 | N (Swivel Hook Latch) | 682639 | 683031 | 683433 |
| 6 | N (Swivel Hook Latch) | 682675 | 683077 | 683479 |
| 8 | N (Swivel Hook Latch) | 682719 | 683111 | 683512 |
| 4 | P (Screw Pin Anchor) | 691031 | 692637 | 694234 |
| 6 | P (Screw Pin Anchor) | 691077 | 692673 | 694270 |
| 8 | P (Screw Pin Anchor) | 691111 | 692717 | 694314 |
Metric Table
| Block Size (in.) | Fitting | Single Sheave 301 B* Stock No. | Double Sheave 302 B* Stock No. | Triple Sheave 303 B* Stock No. |
| 4 | HS (Latch Hook) | 680971 | 681373 | 681774 |
| 6 | HS (Latch Hook) | 680999 | 681391 | 681792 |
| 8 | HS (Latch Hook) | 681015 | 681417 | 681818 |
| 4 | N (Swivel Hook Latch) | 682639 | 683031 | 683433 |
| 6 | N (Swivel Hook Latch) | 682675 | 683077 | 683479 |
| 8 | N (Swivel Hook Latch) | 682 719 - | 683111 | - |
| 6 | P (Screw Pin Anchor) | 691 077 - | 692673 | 694270 |
| 8 | P (Screw Pin Anchor) | 691111 | 692717 | 694314 |
*Bearing Code: B - Self Lubricating Bronze Bushed
Imperial Specifications
| Block Size (in.) |
Sheave Size (in.) |
Manila Rope Size (in.) |
Working Load Limit (lbs.)* |
Weight Each (lbs.) |
|||||
| Outside Dia. |
Rim Thickness |
Single | Double | Triple | Single | Double | Triple | ||
| 4 | 2.25 | .63 | 1/2 | 1100 | 1600 | 2200 | 2.25 | 3.75 | 5.00 |
| 6 | 3.50 | 1.00 | 3/4 | 2000 | 3300 | 4000 | 5.50 | 9.25 | 12.50 |
| 8 | 4.75 | 1.13 | 1 | 3300 | 5100 | 7000 | 10.00 | 16.50 | 22.00 |
Metric Specifications
| Block Size (in.) | Sheave Size (mm) | Manila Rope Size (mm) | Working Load Limit (t)* | Weight Each (kg.) | ||||||
| Outside Dia. | Rim Thickness | |||||||||
| Single | Double | Triple | Single | Double | Triple | |||||
| 4 | 57.2 | 16.0 | 13 | .50 | .73 | 1.00 | 1.02 | 1.70 | 2.27 | |
| 6 | 89.0 | 25.4 | 19 | .91 | 1.50 | 1.81 | 2.49 | 4.20 | 5.67 | |
| 8 | 121 | 28.7 | 26 | 1.50 | 2.31 | 3.18 | 4.54 | 7.48 | 9.98 | |
*Ultimate Load is 3.5 times the Working Load Limit.
Product Warnings
(approx. 0.5Mb) Crosby catalogue page 354.pdf
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Regarding: Crosby 'P303B' Steel Shell Manila Rope Pulley Block, Optional No. of Sheaves (1-3), WLL Range from 500kg to 3180kg
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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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