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Western Manila Rope Blocks

 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

Block Size

(in.)

Fitting

Steel Shell

390-B* 

Stock No. (S.C.)

390-B* 

Stock No. (Galv.)

6

T

702216

702324

8

T

702225

702333

10

T

702234

702342

12

T

702243

702351

6

J

702252

702360

8

J

702261

702369

10

J

702270

702378

12

J

702279

702387

6

G

702288

702396

8

G

702297

702405

10

G

702306

702414

12

G

702315

702423

* Bearing Code: B-Self Lubricating Bronze Bushed, C-Common Iron, R-Roller Bearing

Block Size (in.)

Sheave Size (in.)

Manila Rope Size (in.)

Drop Side

Outside Dia.

  Rim   Thickness

Bearing Dia.

Working Load Limit (Tons)*

Weight Each (lb.)

6

3.00

0.88

0.75

3/4 - 7/8

2

7

8

4.00

1.38

1.00

1 - 1-1/8

4

13

10

6.00

1.62

1.50

1 - 1/4

8

28

12

8.00

1.62

1.50

1 - 1/2

8

34

* Ultimate Load is 4 times the Working Load Limit

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

Block Size

(in.)

Fitting

Single Sheave 

Double Sheave

Triple Sheave

301 B* 

Stock No.

302 B* 

Stock No.

303 B* 

Stock No.

4

HS

680971

681373

681774

6

HS

680999

681391

---

8

HS

681015

681417

681818

4

N

682639

683031

683433

6

N

682675

683077

683479

8

N

---

683111

---

6

P

---

692673

---

8

P

691111

692717

694314

*Bearing Code: B - Self Lubricating Bronze Bushed

Block Size (in.)

Sheave Size (in.)

Manila Rope Size (in.)

Work Load Limit (lb.)*

Weight Each (lb.)

Outside Dia.

Rim Thickness

Single

Double

Triple

Single

Double

Triple

4

2.25

0.63

1/2

1,100

1,600

2,200

2.25

3.75

5.00

6

3.50

1.00

3/4

200

3,300

4,000

5.50

9.25

12.50

8

4.75

1.13

1

3,300

5,100

7,000

10.00

16.50

22.00

*Ultimate Load is 3.5 times the Working Load Limit

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