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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

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

Block Size

(in.)

Fitting

Single Sheave 21B    Stock No.

   Double      Sheave 22B   Stock No.

Triple Sheave 23B  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

613332

5

S

610057

611653

613250

6

S

610075

611671

613278

8

S

610119

611715

613312

Block Size (in.)

Sheave Dimensions

(in.)

Manila Rope Size (in.)

Working Load Limit

(lb.)

Weight Each

(lb.)

Outside Dia.

Rim Thickness

Center Pin Dia.

  21    Single

  22     Double

  23      Triple

 21    Single

  22     Double

  23      Triple

4

2.25

0.63

0.38

1/2

1,000

1,400

1,800

1.75

3.00

4.00

5

3.00

0.75

0.38

5/8

1,200

1,800

2,400

3.25

3.60

6.50

6

3.50

1.00

0.50

3/4

1,800

2,500

3,200

5.00

8.50

11.50

8

4.75

1.13

0.63

7/8 - 1

2,800

3,800

4,800

13.00

14.00

21.50

*Ultimate Load is 4 times the Working Load Limit

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