Description
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The 30mm sheave Size 1 block range is designed with an internal steel frame for added strength and durability. Available in plain and ball bearing sheave options, the lightweight modern design is available in variations that allow for a multitude of uses on every size craft.
- Sheave size 30mm x 12mm (1 3/16” x 15/32”)
- SWL 355kg (782lbs)
- Max rolling load (ball bearing blocks) 245kg (540lbs)
- Max rope diameter 8mm (5/16”)
- Break load 710kg (1565lbs)
| Part No. | Part No. | Length (mm) | Weight (g) | Weight (g) | |
| Plain Sheave | Ball Bearing Sheave | Plain | Ball | ||
| N01090 | N11090 | Single – double tang | 55 | 47 | 45 |
| N01091 | N11091 | Single – double tang + becket | 66 | 55 | 54 |
| N01110 | N11110 | Single – fixed eye | 55 | 31 | 32 |
| N01111 | N11111 | Single – fixed eye + becket | 66 | 42 | 40 |
| N01130 | N11130 | Single – swivel | 73 | 43 | 41 |
| N01131 | N11131 | Single – swivel + becket | 84 | 51 | 49 |
| N01150 | N11150 | Single – upright | 53 | 63 | 62 |
| N01151 | N11151 | Single – upright with fairlead | 63 | 70 | 69 |
| N01160 | N11160 | Lightweight cheek block | 55 | 21 | 20 |
| N01170 | N11170 | Single – stand up block | 64 | 42 | 40 |
| N01180 | N11180 | Single – spinnaker lead | 99 | 54 | 52 |
| N01190 | N11190 | Lightweight lead block | 44 | 19 | 18 |
| N01210 | N11210 | Double – fixed eye | 55 | 64 | 61 |
| N01211 | N11211 | Double – fixed eye + becket | 66 | 72 | 69 |
| N01230 | N11230 | Double – swivel | 73 | 78 | 73 |
| N01231 | N11231 | Double – swivel + becket | 84 | 85 | 82 |
| N01250 | N11250 | Double – upright | 53 | 89 | 84 |
| N01280 | N11280 | Back-to-back swivel | 90 | 68 | 63 |
| N01310 | N11310 | Triple – fixed eye | 54 | 86 | 80 |
| N01311 | N11311 | Triple – fixed eye + becket | 63 | 94 | 88 |
| N01330 | N11330 | Triple – swivel | 73 | 95 | 89 |
| N01331 | N11331 | Triple – swivel + becket | 84 | 104 | 98 |
Important note:
Suggested boat sizes are given as a guidance only and assume a monohull with boom end sheeting, loaded vertically to the traveller.
Mid-boom sheeting, severely angled take offs and curved tracks can impose greater loads and suitable allowances should be made for this. If at all unsure of your choice it is important to seek further advice. If you are close to the maximum boat size suggested, we would advise upgrading to a Torlon package, long car or the next size up.
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