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259
Series 55
BALL BEARING
SHEAVE DIAM. MAX. ROPE M.W.L.
B.L.
WEIGHT SHEAVE DIAM.
MAX. ROPE M.W.L.
B.L.
WEIGHT
PRODUCT No.
DESCRIPTION
mm
mm
kg
kg
g
in.
in.
lb
lb
oz
Ball Bearing
RF55151
Cheek
55
10
500
1000
70
2 5/32
3/8
1100
2200
2.5
RF55171
Upright lead
55
10
500
1000
91
2 5/32
3/8
1100
2200
3.2
RF55510
Fiddle*, becket, swivel shackle head
55 + 35
10
500
1000
101
2 5/32 + 1 3/8
3/8
1100
2200
3.6
RF55530
Fiddle*, becket cleat, swivel shackle head 55 + 35
10
500
1000
237
2 5/32 + 1 3/8
3/8
1100
2200
8.4
* Fiddle sheave has a high load full contact bearing (ie. not ball bearing). Main sheave has two-stage, ball bearing.
5RF5 510
RF55530
RF55530 - Composite C-Cleat™ and fairlead.
Ultra low profile integrated becket.
Swivel shackle head for unlimited block rotation.
RF55151 - Recessed underside suits flat or curved mounting surface.
Spinnaker sheets on dinghies, spor tsboats and small keel boats to 9m (30ft).
Halyard applications on boats to 8m (26ft).
Control line applications on larger yachts.
Sheave: Carbon fibre reinforced, PTFE impregnated Nylon.
Ball Bearings: High compression strength carbon black Acetal.
Stage 2 Bearing: Carbon fibre reinforced, PTFE impregnated Nylon.
Frame/Cheeks: Toughened, glass fibre reinforced Nylon.
Swivel shackle head fitting: grade 316 stainless steel.
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A
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RF150
pin.
4.8mm (3/16”)
T7: Spor tsboat
Photo: Paul Heyes
55RF 171
RF55151
2 x 6mm (1/4”)
(3/
3 x 5mm 16”)
