2020 Ronstan Sailboat Hardware Catalogue - Page 34



SPORTS BLOCKS
32
Series 55 Orbit
RF55501
RF55521
Removable Dyneema®
link & retainer clip
Adjustable cleat arms
RF55511
RF55531
Becket link
RF55511 & RF55531 - Lightweight
integrated Dyneema® becket link.
Sheave: Carbon fibre reinforced,
PTFE impregnated nylon.
Frame/cheeks: Toughened, glass fibre
reinforced nylon.
RF55521, RF55531 - Composite
C-Cleat™ and fairlead.
Ball bearings: High compression
strength acetal.
Rope link: UV stabilised, multi-strand
SK78 Dyneema®.
Stage 2 bearing: Carbon fibre
reinforced, PTFE impregnated nylon.
PRODUCT No.
DESCRIPTION
Ball Bearing
RF55501
Fiddle block*1, Dyneema® link head
RF55511
Fiddle block*1, becket, Dyneema® link head
RF55521
Fiddle block*1, adjustable cleat, Dyneema® link head
Fiddle block*1, becket, adjustable cleat,
RF55531
Dyneema® link head
SHEAVE
DIAM.
mm
MAX.
ROPE
mm
PIN
DIAM.
mm
M.W.L.
kg
B.L.
kg
WEIGHT
g
SHEAVE
DIAM.
in.
MAX.
ROPE
in.
PIN
DIAM.
in.
55 + 35
55 + 35
55 + 35
10
10
10
-
500
500
500*2
1000
1000
1000
95
97
232
2 5/32 + 1 3/8
2 5/32 + 1 3/8
2 5/32 + 1 3/8
3/8
3/8
3/8
-
1100 2200
1000 2200
1100*2 2200
3.4
3.4
8.1
55 + 35
10
-
500*2
1000
233
2 5/32 + 1 3/8
3/8
-
1100*2 2200
8.2
*1 Small fiddle block sheave has a high load full contact bearing (i.e. not ball bearing). Main sheave has 2-stage, ball bearing.
*2 Line load through cleat not to exceed 175kg (385lb).
M.W.L.
lb
B.L.
lb
WEIGHT
oz

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