5/16" (8mm) Ronstan Single, swivel shackle head, Ball Bearing Becket Block
- SKU:
- RF30110
Description
Features:
- Low friction 2-stage ball bearing system provides consistent performance over the full working load range.
- High static and dynamic load capacity.
- Light weight
- Versatile head fittings
- Cheek cut-outs for easy bearing maintenance
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.
Used for:
- Primary lead blocks on dinghies and catamarans
- Control lines on larger yachts
Materials
- U.V. stabilised Acetal sheaves
- Acetal ball bearings
- Impact modified, fibre reinforced and U.V. stabilised Nylon cheeks
- Grade 316 stainless steel load straps and head fittings
- Acetal ball bearings
- UV stabilised Acetal sheave
- Grade 316 stainless steel load strap and head fitting
- Impact and UV resistant, fibre reinforced Nylon cheeks
| Reference | Imperial | Metric |
| Sheave Ø | 1-3/16 in. | 30 mm |
| Max. Rope Ø | 5/16 in. | 8 mm |
| Pin Ø | 5/32 in. | 4 mm |
| M.W.L. | 660 lb. | 300 kg |
| B. L. | 1650 lb. | 750 kg |
| Weight | 1.4 oz. | 40 g |
Related Products
5/16" (8mm) Ronstan Single, swivel shackle head, Ball Bearing Block
MSRP:
$34.66
$31.19
Features:
Low friction 2-stage ball bearing system provides consistent performance over the full working load range.
High
5/16" (8mm) Ronstan Shackle, Ball Bearing Orbit Block
MSRP:
$25.68
$23.11
Features:
Lightweight
Highest working load in its class
Secure, versatile and secure attachement
Low pro
5/16" Viadana Swivel Shackle Single Ball Bearing Block w/Becket
MSRP:
$19.54
$17.59
Comes with manufacturer two-year warranty
Sheave size - 28mm / 1 1/16"
Max line size - 8mm / 5/16"
Overall Height - 51mm / 2"
Weight - 24 grams / .84 ounces
Breaking Load - 750 kg / 1,653 lbs
Max...
5/16" (8mm) Ronstan Single, loop head, Ball Bearing Block
MSRP:
$23.49
$21.14
Features:
Low friction 2-stage ball bearing system provides consistent performance over the full working load range.
High
3/8" (9mm) Ronstan Single, swivel shackle head Becket Block
MSRP:
$39.68
$35.28
Stainless steel cheeks and Acetal sheaves ensure a long service life with virtually no maintenance. Hollow rivets in the block heads can be fitted with shackles, which can also be used to add a...
5/16" (8mm) Ronstan Single, Becket, loop head Utility Block
MSRP:
$20.77
$18.69
316 Stainless steel cheeks and U.V. stabilised Acetal sheaves ensure a long service life with virtually no maintenance. Has a becket for extra purchase.
<
5/16" (8mm) Ronstan Single, Swivel Head, Ratchet Block
MSRP:
$79.00
$71.10
Features:
Up to 14:1 holding power - highest available!
Smooth easing of sheets
Fully Automatic load sensing ratc
1/4" (6mm) Ronstan Single, swivel shackle head, Ball Bearing Block
MSRP:
$24.68
$22.21
Features:
Low friction
High static and dynamic load capacity
Lightweight
5/16" (8mm) Ronstan Single, Ball Bearing, Lead Block
MSRP:
$34.66
$31.19
Features:
Lead blocks are a low profile solution for leading halyards or other rig sail controls back to cleats or jammers. Precision mou