Mufle / Carlige industria navala Crosby®
Drukuj

P-303-B Western Manila Rope Blocks



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.)

Working Load Limit

(lbs.)*

Weight Each

(lbs.)

Outside

Diam.

Rim

Thickness

Single

Double

Triple

Single

Double

Triple

4

2.25

.63

1/2

1100

1600

2200

2.25

3.75

5.00

6

3.50

1.00

3/4

2000

3300

4000

5.50

9.25

12.50

8

4.75

1.13

1

3300

5100

7000

10.00

16.50

22.00

* Ultimate Load is 3.5 times the Working Load Limit.