Quick Ref: RWMB-2539
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Crosby "HS-21-B" Regular Wood Manila Pulley Blocks. Options 1, 2 or 3 Sheave - Range from 450kg to 2180kg

Model:  Western HS-21-B / RWMB-2539

1
2
2 Sheave Pulley Block
Single Sheave (21B) Double Sheave (22B)
Model
Part N° Block Size(in.) Fitting Guide Price Quantity
2539-T1223
603831
4 HS £  116.00
2539-T1224
603859
5 HS £  133.00
2539-T1225
603877
6 HS £  151.00
2539-T1226
603911
8 HS £  204.00
2539-T1227
606437
4 N Quote Required
2539-T1228
606455
5 N Quote Required
2539-T1229
606473
6 N Quote Required
2539-T1230
606516
8 N Quote Required
2539-T1231
610039
4 Quote Required
2539-T1232
610057
5 Quote Required
2539-T1233
610075
6 Quote Required
2539-T1234
610119
8 Quote Required
Add to Quote Basket   ?  

Western Regular Wood Blocks for Manila Rope.

Regular wood block with Laser cut side plates, with Grade 5 bolts secured in place with lock washers and staked nuts.

  • Bronze bushed sheaves with larger bearing diameter for extended block life.
  • Beckets furnished on all blocks.

Imperial Table

Block Size
(in.)
Fitting Single Sheave Double Sheave Triple Sheave
21 B
Stock No.
22 B
Stock No.
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   610039 611635 613232
5   610057 611653 613250
6   610075 611671 613278
8   610119 611715 613312

Metric Table

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

Imperial Table

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 9.00 14.00 21.50

Metric

  Block Size (in.) Sheave Dimensions (mm) Manila Rope Size (mm) Working Load Limit (t)* Weight Each (kg.)
Outside Diam. Rim Thickness Center Pin Diam. 21 22 23 21 22 23
Single Double Triple Single Double Triple
4 57.0 16.0 9.65 13 .45 .64 .82 .79 1.36 1.81
5 76.0 19.1 9.65 16 .54 .82 1.09 1.47 2.54 2.95
6 89.0 25.4 12.7 19 .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 5.90 6.35 9.75

*Ultimate Load is 4 times the Working Load Limit.

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

Product Warnings

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

Crosby catalogue page 354

(approx. 0.2Mb)

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