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Barton Series 1 (30mm) Blocks

£ 6.56£ 36.06

Clear

A strong, lightweight range of blocks for use on dinghies and dayboats or as lead blocks on larger craft.

Plain Bearing Blocks
Barton plain bearing blocks have a precision moulded acetal sheave running on a large diameter brass bearing, ensuring free running under the highest of loads.

Ball Bearing Blocks
With Barton’s unique super-low friction ball race systems, featuring acetal sheaves and delrin ball bearings, running on a large diameter centre boss. This allows Barton to fit more load-bearing balls, which ensure extremely low friction performance, even under high loads.

Available Heads and Shackles

Fixed Eye Clevis Pin
A simple, low priced fixed eye block with removable clevis pin for attachment. Pin Ø 5mm. Width between straps 13mm

Fixed Eye
With plain attachment eye

Swivel
Fully swivelling head with removable shackle

Becket
All the appropriate 30mm blocks are available with or without becket.

Specifications

  • Sheave Size: 30mm x 12mm (1 3/16 x 7/16″)
  • Max Rope Diameter: 8mm (5/16″)
  • Safe Working Load: 355kg (782lbs)
  • Break Load: 710kg (1565lbs)
  • Max Rolling Load (Ball Bearing Blocks): 245kg (540lbs)

Break Loads
Where break and safe working loads are stated, it is assumed that all sheaves are evenly loaded as in a purchase tackle. Uneven loading, or loading of one sheave in a double or triple block, will severely affect strength quoted. If unsure, please seek further assistance.

Maximum rolling load on ball bearing blocks is the maximum free running load before ball bearings will distort.

Part Number
Size / Colour
Port Solent
Warehouse
99543525
Single Fixed Eye Clevis Pin / Plain Sheave
5
1
99543730
Single Fixed Eye Clevis Pin / Ball Bearing Sheave
0
0
99543532
Single Fixed Clevis Pin Becket / Plain Sheave
1
1
99543747
Single Fixed Clevis Pin Becket / Ball Bearing Sheave
0
0
99543549
Single Fixed Eye  / Plain Sheave
1
5
99543754
Single Fixed Eye  / Ball Bearing Sheave
1
0
99543556
Single Fixed Eye + Becket / Plain Sheave
0
0
99543761
Single Fixed Eye + Becket / Ball Bearing Sheave
0
0
99543563
Single Swivel / Plain Sheave
2
22
99543778
Single Swivel / Ball Bearing Sheave
1
27
99543570
Single Swivel + Becket / Plain Sheave
3
0
99543785
Single Swivel + Becket / Ball Bearing Sheave
1
1
99543587
Single Upright / Plain Sheave
1
2
99543792
Single Upright / Ball Bearing Sheave
2
0
99543594
Single Upright with Fairlead / Plain Sheave
1
0
99543808
Single Upright with Fairlead / Ball Bearing Sheave
0
0
99543600
Lightweight Cheek Block / Plain Sheave
1
0
99543815
Lightweight Cheek Block / Ball Bearing Sheave
5
0
99543617
Single Stand Up Block / Plain Sheave
3
0
99543822
Single Stand Up Block / Ball Bearing Sheave
0
0
99543624
Single Spinnaker Lead / Plain Sheave
3
1
99543839
Single Spinnaker Lead / Ball Bearing Sheave
0
0
99543631
Lightweight Lead Block / Plain Sheave
0
0
99543846
Lightweight Lead Block / Ball Bearing Sheave
0
0
99543648
Double Fixed Eye / Plain Sheave
1
6
99543853
Double Fixed Eye / Ball Bearing Sheave
0
0
99543655
Double Fixed Eye + Becket / Plain Sheave
3
1
99543860
Double Fixed Eye + Becket / Ball Bearing Sheave
0
0
99543662
Double Swivel / Plain Sheave
3
0
99543877
Double Swivel / Ball Bearing Sheave
1
0
99543679
Double Swivel + Becket / Plain Sheave
1
3
99543884
Double Swivel + Becket / Ball Bearing Sheave
1
1
99543686
Back-to-Back Swivel / Plain Sheave
0
0
99543891
Back-to-Back Swivel / Ball Bearing Sheave
0
0
99543693
Triple Fixed Eye / Plain Sheave
1
0
99543907
Triple Fixed Eye / Ball Bearing Sheave
1
0
99543709
Triple Fixed Eye + Becket / Plain Sheave
0
0
99543914
Triple Fixed Eye + Becket / Ball Bearing Sheave
0
0
99543716
Triple Swivel / Plain Sheave
1
1
99543921
Triple Swivel / Ball Bearing Sheave
1
0
99543723
Triple Swivel + Becket / Plain Sheave
2
10
99543938
Triple Swivel + Becket / Ball Bearing Sheave
0
0