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Crosby T-641B T642B Regular Wire Rope Sheave Pulley Block with Shackle or Hook - Range from 910kg to 6350kg

Model:  T-641-B T-642-B / RWRB-2546

T 641 B
Crosby T-642B Regular Wire Rope Sheave Pulley Block with Shackle Crosby T-641B Regular Wire Rope Sheave Pulley Block with Hook
Model
Part N° Block Size Fitting Guide Price Quantity
2546-T1847
—
4 T Quote Required
2546-T1848
781611
6 T Quote Required
2546-T1849
781639
8 T Quote Required
2546-T1850
781657
10 T Quote Required
2546-T1851
—
4 S Quote Required
2546-T1852
785902
6 S Quote Required
2546-T1853
785920
8 S Quote Required
2546-T1854
785948
10 S Quote Required
2546-T1855
782102
6 J Quote Required
2546-T1856
782120
8 J Quote Required
2546-T1857
782148
10 J Quote Required
2546-T1858
782004
6 E Quote Required
2546-T1859
782022
8 E Quote Required
2546-T1860
782040
10 E Quote Required
Add to Quote Basket   ?  

Western Diamond & Oval Pattern Regular Wire Rope Blocks.

Rope blocks with Laser cut painted side plates (these can be furnished as galvanized upon request). Complete with grade 5 bolts secured with lock washers and staked nuts. All sizes of the block feature bronze bushed steel sheaves with larger bearing diameter for extended block life.
  • New style hanger for fitting attachment.
  • Available with hanger only (no fitting)

Model Numbers

Block Size
(in.)
Fitting Diamond Pattern with Bronze Bushed Steel Sheaves Oval Pattern with Bronze Bushed Steel Sheaves
641-B Single 642-B Double 661-B Single 662-B Double
4 T 782193 791183 791593
6 T 781611 782219 791619
8 T 781639 782237 791236 791637
10 T 781657 782255 791254 791655
4 S 786199
6 S 785902 786206 795900 796204
8 S 785920 786224
10 S 785948 786242 795946 796240
6 J 782102 782503 791502 791904
8 J 782120 782521 791520 791922
10 J 782148 782549 791548 791940
6 E 782004 782406 791307 791708
8 E 782022 782424 791325 791726
10 E 782040 782442 791343 791744

Metric Table

Block Size (in.) Fitting Diamond Pattern with Bronze Bushed Steel Sheaves Oval Pattern with Bronze Bushed Steel Sheaves
641-B Single 642-B Double 661-B Single 662-B Double
4 T 781586 782193 791183 791593
6 T 781611 782219 791218 791619
8 T 781639 782237 791236 791637
10 T 781657 782255 791254 791655
4 S 785886 786199 795884 796197
6 S 785902 786206 795900 796204
8 S 785920 786224 795928 796222
10 S 785948 786242 795946 796240
6 J 782102 782503 791502 791904
8 J 782120 782521 791520 791922
10 J 782148 782549 791548 791940
6 E 782004 782406 791307 791708
8 E 782022 782424 791325 791726
10 E 782040 782442 791343 791744

Imperial Dimensions

Block Size
(in.)
Sheave Size
(in.)
Wire Rope
Size
(in.)
Working Load Limit
(Tons)*
Weight Each
(lbs.)
Outside Diam. Rim Thickness 641
661
Single
642
662
Double
641
661
Single
642
662
Double
4 4 3/4 3/8 1 2 8 11
6 6 1 1/2 3 4 15 21
8 8 1-1/4 5/8 4 6 28 41
10 10 1-1/4 5/8 4 7 38 60

Metric Dimensions

    Block Size (in.) Sheave Size (mm)         Wire Rope Size (mm) Working Load Limit (t)* Weight Each
(kg)
641 661 Single 642 662 Double 641 661 Single 642 662 Double
Outside Diam. Rim Thickness
4 102 19.1 10 .91 1.82 3.6 5.0
6 152 25.4 10 2.72 3.63 6.8 9.5
8 203 31.8 16 3.63 5.44 12.7 18.6
10 254 31.8 16 3.63 6.35 17.2 27.2
Crosby-catalogue-page-number-342-349.pdf

Product Warnings

(approx. 0.5Mb)
crosby-catalogue-page-358.pdf

Crosby catalogue page 358

(approx. 0.2Mb)

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