2020 Ronstan Sailboat Hardware Catalogue - Page 28



SPORTS BLOCKS
26
Series 50 Utility
RF50100
RF50100HL
RF50101
RF50500
RF50110
RF50200
RF50530
RF6170
RF50171
2 x 6mm (1/4”)
RF150
4.8mm (3/16”) pin, suits single
& fiddle blocks
RF1055
Suits shackle
head blocks
RF151
6mm (1/4”) pin,
suits double block
RF51010
Snap-in keyhole
becket pin
RF321
Suits single & fiddle swivel
shackle head blocks
2-stage ball bearing system.
Cheek cut-outs for easy bearing maintenance.
SP sheave: Self-lubricating Nylatron®.
High static and dynamic load capacity.
Snap shackle adapter adds functionality to single
and fiddle blocks.
Cheeks: Impact modified, fibre
reinforced and UV stabilised nylon.
Ball bearings: Acetal.
Load straps & head fittings: Grade 316
stainless steel.
Removable becket pins allow lines to be spliced
prior to fitting and are locked into position without
the use of split rings or tools.
PRODUCT No.
DESCRIPTION
Ball Bearing
RF50100
Single block, universal head
RF50101
Single block, loop head
RF50110
Single block, becket, universal head
RF50171
Upright lead block
Double block, swivel shackle head
RF50200
(non-locking)
RF50500
Fiddle block, universal head
Fiddle block, becket, adjustable cleat,
RF50530
universal head
Special Purpose - Nylatron® Sheave
RF50100HL
Single block, universal head
Accessories
RF6170
Snap shackle head adapter
* Line load through cleat not to exceed 175kg (385lb).
BB sheaves: UV stabilised acetal.
SHEAVE
DIAM.
mm
MAX.
ROPE
mm
MAX.
WIRE
mm
PIN
DIAM.
mm
M.W.L.
kg
B.L.
kg
WEIGHT
g
SHEAVE
DIAM.
in.
MAX.
ROPE
in.
MAX.
WIRE
in.
PIN
DIAM.
in.
M.W.L.
lb
B.L.
lb
WEIGHT
oz
50
50
50
50
12
12
12
12
-
5
5
-
500
500
500
500
1500
1500
1500
1500
117
97
133
116
2
2
2
2
1/2
1/2
1/2
1/2
-
3/16
3/16
-
1100
1100
1100
1100
3310
3310
3310
3310
4.1
3.4
4.7
4.1
50
12
-
6
800
2000
254
2
1/2
-
1/4
1760
4410
9.0
54 + 34
10
-
5
500
1500
166
2 1/8 + 1 5/16 3/8
-
3/16
1110
3310
5.9
54 + 34
10
-
5
500* 1500
371
2 1/8 + 1 5/16 3/8
-
3/16
1110* 3310
11.2
50
12
5
5
750
1500
117
2
1/2
3/16
3/16
1650
3310
4.1
-
-
-
5
500
1000
49
-
-
-
3/16
1100
2200
1.7

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