Ronstan Marine Systems DivisionRonstan Marine Systems Division
 
Ball Bearing Blocks
 

Series 50mm

Range Information | Applications | Materials | Related Items

Smart Features
  •  Low friction, 2-stage ball bearing system
  •  High static and dynamic load capacity
  •  Lightweight
  •  Cheek cut-outs for easy bearing maintenance

 

   
Product No.
Desc.
Sheave ØMax. Rope ØMax. Cable ØPin ØM.W.L.B. L.Weight

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Stock

Price

  in.in.inin. lb.lb.oz.        
 RF50100 RF50100 > Single, universal head

2

1/2

-

3/16

1100

3310

4.1


 
 

  QTY
 

IN
STOCK

Price

$ 49.95

 RF50101 RF50101 > Single, loop head

2

1/2

-

-

1100

3310

3.4


 
 

  QTY
 

IN
STOCK

Price

$ 44.95

 RF50110 RF50110 > Single, becket, universal head

2

1/2

-

3/16

1100

3310

4.7


 
 

  QTY
 

IN
STOCK

Price

$ 73.95

 RF50200 RF50200 > Double, universal head

2

1/2

-

1/4

1760

4410

9.0


 
 

NOT
AVAILABLE
ONLINE

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Range Information
Sheaves running on Acetal or Torlon® ball bearings provide high performance & low friction. The 2-stage ball bearing system provides consistent performance over the full load range.

    
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Applications
  • Mainsheet
  • Spinnaker sheets
  • Halyards and other primary applications on boats up to 10m (33ft)
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