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Western Manila Rope Blocks
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Steel Shell
- New style blocks feature higher working load limits
- Painted or Galvanized steel with replaceable wood bumpers
- Laser cut side plate opens for insertion of wire rope
- Incorporates exclusive bolt retaining sprint to assure no lost bolts, plus utilizes secondary retaining pin
- Bronze bushed sheaves with larger bearing diameter for extended block life
- Utilizes Crosby "N" style hooks with integrated latch
- Lubricated center pin
- 10" and 12" sizes utilize steel sheaves
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Block Size
(in.)
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Fitting
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Steel Shell
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390-B*
Stock No. (S.C.)
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390-B*
Stock No. (Galv.)
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6
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T
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702216
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702324
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8
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T
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702225
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702333
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10
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T
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702234
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702342
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12
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T
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702243
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702351
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6
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J
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702252
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702360
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8
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J
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702261
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702369
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10
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J
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702270
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702378
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12
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J
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702279
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702387
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6
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G
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702288
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702396
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8
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G
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702297
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702405
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10
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G
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702306
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702414
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12
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G
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702315
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702423
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* Bearing Code: B-Self Lubricating Bronze Bushed, C-Common Iron, R-Roller Bearing
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Block Size (in.)
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Sheave Size (in.)
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Manila Rope Size (in.)
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Drop Side
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Outside Dia.
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Rim Thickness
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Bearing Dia.
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Working Load Limit (Tons)*
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Weight Each (lb.)
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6
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3.00
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0.88
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0.75
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3/4 - 7/8
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2
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7
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8
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4.00
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1.38
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1.00
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1 - 1-1/8
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4
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13
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10
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6.00
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1.62
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1.50
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1 - 1/4
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8
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28
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12
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8.00
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1.62
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1.50
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1 - 1/2
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8
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34
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* Ultimate Load is 4 times the Working Load Limit
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Regular Wood Blocks for Manila Rope
- 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 block
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Block Size
(in.)
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Fitting
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Single Sheave 21B Stock No.
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Double Sheave 22B Stock No.
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Triple Sheave 23B Stock No.
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4
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HS
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603831
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604634
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605438
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5
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HS
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603859
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604652
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605456
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6
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HS
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603877
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604670
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605474
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8
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HS
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603911
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604714
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605517
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4
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N
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606437
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606838
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607230
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5
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N
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606455
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606856
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607258
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6
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N
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606473
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606874
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607276
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8
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N
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606516
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606918
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607310
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4
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S
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610039
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611635
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613332
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5
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S
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610057
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611653
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613250
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6
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S
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610075
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611671
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613278
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8
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S
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610119
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611715
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613312
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Block Size (in.)
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Sheave Dimensions
(in.)
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Manila Rope Size (in.)
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Working Load Limit
(lb.)
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Weight Each
(lb.)
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Outside Dia.
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Rim Thickness
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Center Pin Dia.
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21 Single
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22 Double
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23 Triple
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21 Single
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22 Double
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23 Triple
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4
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2.25
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0.63
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0.38
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1/2
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1,000
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1,400
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1,800
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1.75
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3.00
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4.00
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5
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3.00
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0.75
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0.38
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5/8
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1,200
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1,800
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2,400
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3.25
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3.60
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6.50
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6
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3.50
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1.00
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0.50
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3/4
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1,800
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2,500
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3,200
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5.00
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8.50
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11.50
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8
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4.75
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1.13
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0.63
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7/8 - 1
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2,800
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3,800
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4,800
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13.00
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14.00
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21.50
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*Ultimate Load is 4 times the Working Load Limit
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