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285
SHEAVE
DIAM.
MAX.
ROPE
MAX.
WIRE
PIN
DIAM. M.W.L. B.L. WEIGHT
SHEAVE
DIAM.
MAX.
ROPE
MAX.
WIRE
PIN
DIAM. M.W.L. B.L. WEIGHT
PRODUCT No.
DESCRIPTION
mm mm mm mm kg kg
g
in.
in.
in.
in.
lb lb
oz
Ball Bearing
RF20100
Single block, swivel shackle head
20
6
-
3 250 550 20
3/4 1/4 -
1/8 550 1210 0.7
RF20101
Single block, loop head
20
6
-
-
250 550 16
3/4 1/4 -
-
550 1210 0.6
RF20111
Single block, becket, loop head
20
6
-
-
250 550 18
3/4 1/4 -
-
550 1210 0.6
RF20141
Stand-up block
20
6
-
-
250 550 20
3/4 1/4 -
-
550 1210 0.7
RF20202
Double block, 2-axis shackle head
20
6
-
4 350 700 42
3/4 1/4 -
5/32 770 1540 1.5
RF20212
Double block, becket, 2-axis shackle head
20
6
-
4 350 700 44
3/4 1/4 -
5/32 770 1540 1.6
RF20281
Double block, in-line
20
6
-
-
250 550 28
3/4 1/4 -
-
550 1210 1.0
RF20284
Linked blocks, S20 & S20
20
6
-
-
250 550 30
3/4 1/4 -
-
550 1210 1.1
RF20302
Triple block, 2-axis shackle head
20
6
-
4 400 850 62
3/4 1/4 -
5/32 880 1870 2.2
RF20312
Triple block, becket, 2-axis shackle head
20
6
-
4 400 850 64
3/4 1/4 -
5/32 880 1870 2.3
RF20332
Triple block, becket, cam cleat, 2-axis shackle head
20
6
-
4 400* 850 122
3/4 1/4 -
5/32 880* 1870 4.3
High Load
RF20101HL
Single block, loop head
20
6
3
-
275 550 14
3/4 1/4 1/8 -
610 1210 0.5
* Line load through cleat not to exceed 125kg (275lb).
Precision moulded Acetal sheaves running on stainless steel ball bearings
provide high performance & low friction.
High load versions feature a Nylatron
®
sheave suitable for rope and wire.
High static and dynamic load capacity.
Light weight.
Versatile head fittings.
Single blocks are available with swivel head or 2 way loop top.
Double & triple blocks are supplied with shackle and have a 2 way head that
can be fixed at 0° or 90°.
Double & triple blocks allow the creation of powerful purchase systems.
Upright lead blocks are available in low profile fixed or pivoting options.
Exit blocks minimise friction in lines passing through the deck or exiting masts
and booms. Supplied with cover plate, or low profile version with side tabs only.
Linked blocks are used for dinghy barber haulers, cunninghams and spinnaker
pole launching systems.
RF20281
RF20284
RF20332
02 RF202
02 RF203
RF20111
0212 RF2
100 RF20
41 F201 R
12 F203 R
RF20101
RF20101HL
RF498
RF1850S
3mm (1/8”) slotted pin, suits loop top
single blocks
RF318
Suits RF20101 & RF20111
RF327
Suits RF24101, RF24108 & RF24118
Series 20
( / )
4mm 5 32”
B
A
L
L
BE
AR
IN
G
&
HIG
H
L
O
AD B
LO
CK
S
