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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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Steel Shell 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
- New style hanger for fitting attachment
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Block Size
(in.)
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Fitting
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Single Sheave
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Double Sheave
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Triple Sheave
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301 B*
Stock No.
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302 B*
Stock No.
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303 B*
Stock No.
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4
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HS
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680971
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681373
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681774
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6
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HS
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680999
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681391
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---
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8
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HS
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681015
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681417
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681818
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4
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N
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682639
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683031
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683433
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6
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N
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682675
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683077
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683479
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8
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N
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---
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683111
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---
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6
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P
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---
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692673
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---
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8
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P
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691111
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692717
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694314
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*Bearing Code: B - Self Lubricating Bronze Bushed
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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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Work 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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Single
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Double
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Triple
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Single
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Double
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Triple
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4
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2.25
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0.63
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1/2
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1,100
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1,600
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2,200
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2.25
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3.75
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5.00
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6
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3.50
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1.00
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3/4
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200
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3,300
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4,000
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5.50
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9.25
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12.50
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8
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4.75
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1.13
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1
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3,300
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5,100
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7,000
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10.00
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16.50
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22.00
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*Ultimate Load is 3.5 times the Working Load Limit
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