Ronstan Marine Systems DivisionRonstan Marine Systems Division
   
Product No.
Desc.
Sheave ØMax. Rope ØMax. Cable ØFastener ØM.W.L.B. L.Weight  
  mmmmmmmmkgkgg  
 RF20711 RF20711 > Ball bearing, single, cover plate 

20

6

-

4.0

250

1000

22

 
 RF20711A RF20711A > Ball bearing, single, side tabs 

20

6

-

4.0

250

1000

22

 
 RF20711AHL RF20711AHL > High load, single, side tabs 

20

6

3

4.0

275

1000

22

 
 RF20711HL RF20711HL > High load, single, cover plate 

20

6

3

4.0

275

1000

22

 
 RF30711 RF30711 > Ball bearing, single 

30

8

-

5.0

300

750

35

 
 RF30711HL RF30711HL > High load, single, cover plate 

30

8

3

5.0

300

750

43

 
 RF30721 RF30721 > Ball bearing, double, cover plate 

30

8

-

5.0

300

750

60

 

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Applications
  • Exit blocks minimise friction in lines passing through the deck or exiting masts and booms
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Materials
  • Grade 316 stainless steel load straps
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