BLOCKS  —  Classic Dinghy Blocks
Photo of Classic Dinghy Blocks A.278-74
Classic Dinghy Blocks

Single Plain Bearing With Inglefield Clip


The Allen classic dinghy blocks are manufactured from nylon and are available with either a plain bearing system or ball bearing system. Originally used for the Laser® class mainsheet system they have also become the block of choice for many other dinghy mainsheet systems. Available in a Black, Grey and Blue 

Where to Buy Allen

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Part Number Description Sheave Diameter
mm
Length
mm
Maximum Line Size
mm
Breaking Load
Kg
Maximum Working Load
Kg
Weight
g
A.178 Single Plain Bearing 29 48 8 250 140 13
A.178BB Single Ball Bearing 29 48 8 250 150 24
A.178-74 Single Plain Bearing With Inglefield Clip 29 69 8 250 140 23
A.178-74BB Single Ball Bearing With Inglefield Clip 29 69 8 250 140 32
A.278 Single Plain Bearing 38 66 10 300 155 36
A.278BB Single Ball Bearing 38 66 10 300 155 50
A.278-74 Single Plain Bearing With Inglefield Clip 38 86 10 300 155 45
A.278-74BB Single Ball Bearing With Inglefield Clip 38 86 10 300 155 56
A.378 Single Plain Bearing With Becket 38 85 10 300 155 38
A.378BB Single Ball Bearing With Becket 38 85 10 300 155 55
A.179BBO Linked Singles Nylon Ball Bearing Blocks 29 95 8 250 150 30

 

 

 

 

 

 

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