Harken V 3355 Instructions Download Page 1

INSTRUCTIONS

V

 Sheaves 

N15W24983 Bluemound Road • Pewaukee, WI 53072 U.S.A.

Telephone: (262) 691-3320 • Fax: (262) 691-3008 • Web: harken.com • E-mail: [email protected]

Sheave Box Dimensions

Specifications

WARNING! Strictly follow all instructions to avoid an accident, damage to your vessel, personal injury or 
death. See www.harken.com/manuals for additional safety information.

V sheaves mount into spar or deck sheave boxes. The bearing system combines axial and thrust bearings into a single 

bearing set of angled titanium rollers.

 

A - Sheave Ø

B - Center Ø 

C - Sheave Width

Max line Ø 

Maximum working 

load

Breaking load

Part No.

Descrip-

tion

mm

in

mm

in

mm

in

mm

in

kg

lb

kg

lb

3355

1.5T 

47

1.85

15.9 0.626

18.8

0.74

9

11/32

1500 3300

3000 6600

3356

3T

56

2.20

22.86

0.9

19

0.75

11

7/16

3000 6600

6000 13200

3358

3T Wide

56

2.20

15.9 0.626

30

1.18

2X 

11mm

2X 

7/16"

3000 6600

6000 13200

3357

5T

62

2.44

22.86

0.9

23.9 0.941

13

1/2

5000 11000

10000 22000

  

A

B

C

Do not exceed maximum working loads. Loads increase when the line turns at a greater angle. Example: Sheave loads 

double when the line turns 180 degrees. Refer to block loading formulas in Harken catalog. Center pin not included. 

Sizing Sheave and Center Pin

The supporting sides (A)of the sheave 

box should be .75mm larger than (B) the 

sheave width +/- .25mm.

Short Term Maintenance

Flush sheave bearings with detergent and fresh water. Flush 

areas shown while rotating sheave.  

      

Cutaway view 

A is .75mm +/- .25mm 
greater than B

A B

Reviews: