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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

Crosby 'P303B' Steel Shell Manila Rope Pulley Block, Optional No. of Sheaves (1-3), WLL Range from 500kg to 3180kg

P303B Triple Sheave P303B Double Sheave P303B Single Sheave
 

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.

Part N° Block Start Fitting Unit Price Quantity
2540-T1455
680971 		4 HS Quote Required
2540-T1456
680999 		6 HS Quote Required
2540-T1457
681015 		8 HS Quote Required
2540-T1458
682639 		4 N Quote Required
2540-T1459
682675 		6 N Quote Required
2540-T1460
682719 		8 N Quote Required
2540-T1461
691031 		4 P Quote Required
2540-T1462
691077 		6 P Quote Required
2540-T1463
691111 		8 P Quote Required
   
Description

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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.

Crosby General Info

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Downloads

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Crosby-catalogue-page-number-342-349.pdf

Product Warnings

(approx. 0.5Mb) crosby-catalogue-page-354.pdf

Crosby catalogue page 354.pdf

(approx. 0.2Mb)
Pricing

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