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Page 301

 

 

 

HS-21-B
SINGLE
(available in N & S)

N-22-B
DOUBLE
(available in HS & S)

S-23-B
TRIPLE
(available in HS & N)

FOR MANILA ROPE

Regular Wood Blocks
for Manila Rope

 SEE APPLICATION AND
WARNING INFORMATION
See pages 290-297
Para Español: www. thecrosbygroup.com
  • Beckets furnished on all blocks. For reeving
    information, See page 294.

Block Size
(in.)

Fitting

Single  Sheave

Double Sheave

Triple Sheave

21 C
Stock No.
Galv.

21 B
Stock No.
Galv.

21 R
Stock No.
Galv.

22 C
Stock No.
Galv.

22 B
Stock No.
Galv.

22 R
Stock No.
Galv.

23 B
Stock No.
Galv.

23 R
Stock No.
Galv.

3

HS

602217

603813

603617

602618

604616

604411

605410

—

4

HS

602235

603831

603635

602636

604634

604439

605438

605232

5

HS

602253

603859

603653

602654

604652

604457

605456

—

6

HS

602271

603877

603671

602672

604670

604475

605474

605278

8

HS

602315

603911

603715

602716

604714

—

605517

605312

3

N

—

606419

—

—

606810

—

607212

—

4

N

—

606437

606231

—

606838

606632

607230

607034

5

N

—

606455

—

—

606856

606650

607258

—

6

N

—

606473

—

—

606874

606678

607276

607070

8

N

—

606516

—

—

606918

—

607310

—

3

S

—

610011

—

—

611617

—

613214

—

4

S

—

610039

—

—

611635

—

613232

—

5

S

—

610057

—

—

611653

—

613250

—

6

S

—

610075

—

—

611671

611476

613278

—

8

S

—

610119

—

—

611715

611519

613312

—

Bearing Code:  C — Common, R — Roller, B — Bronze Bushed Self Lubricating.

 

Block Size
(in.)

Sheave Diameter
(in.)

Manila Rope Size (in.)

Working Load Limit *
(lbs.)

Weight Each
(lbs.)

Outside Diam.

Rim
Thickness

Center Pin Diam.

21
Single

22
Double

23
Triple

21
Single

22
Double

23
Triple

3

1.75

.50

.38

3/8

500

800

1200

1.00

1.75

2.50

4

2.25

.63

.38

1/2

1000

1400

1800

1.75

3.00

4.00

5

3.00

.75

.38

5/8

1200

1800

2400

3.25

5.60

6.50

6

3.50

1.00

.50

3/4

1800

2500

3200

5.00

8.50

11.50

8

4.75

1.13

.63

7/8 - 1

2800

3800

4800

9.00

14.00

21.50
* Ultimate Load is 4 times the Working Load Limit.

 

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