2020 Ronstan Sailboat Hardware Catalogue - Page 64



KEELBOAT BLOCKS
62
Series 125 Orbit
© Contest Yachts
RF129100A
RF129110A
RF129106A
RF129106A suits RF2435-16B
removable padeye. See page 210
for padeye options.
21mm (13/16”)
RF129109A
RF129151A
Suits use with
RF2437-16
removable lashing
padeye. See page
211 for details.
1 x 8mm (5/16”)
2 x 12mm (7/16”)
Exceptionally high strength-to-weight ratio.
Foot block cover plate can be removed for service
access without removing fixing bolts.
Head posts of swivel blocks can be locked
at 0° or 90°.
RF129110A removable becket pin allows
lines to be spliced prior to fitting.
PRODUCT No.
DESCRIPTION
Ball Bearing
RF129100A
RF129106A
RF129109A
RF129110A
RF129151A
Single block, universal head
Single block, swivel eye for stand-up
Lashing block
Single block, becket, universal head
Foot block, single
Primary mainsheet blocks on boats
to 21m (69ft).
Cheek plates: Fully machined aluminium alloy.
Secondary mainsheet blocks, spinnaker systems
and halyards on boats to 25m (82ft).
Needle rollers: Torlon®.
Sheave: Aluminium alloy.
Ball bearings: High compression strength acetal.
(RF129109A: Torlon®)
Running backstay systems on boats
to 18m (60ft).
Forged shackle, head post & swivel eye:
Grade 17-4PH stainless steel.
SHEAVE
DIAM.
mm
MAX.
ROPE
mm
PIN/EYE
DIAM.
mm
M.W.L.
kg
B.L.
kg
WEIGHT
g
SHEAVE
DIAM.
in
MAX.
ROPE
in
PIN/EYE
DIAM.
in
M.W.L.
lb
B.L.
lb
WEIGHT
oz
125
125
125
125
125
18
18
18
18
18
12.7
21.0
12.7
-
6000
6000
6500
6000
5000
12000
12000
19500
12000
10000
1240
1360
930
1330
750
5
5
5
5
5
3/4
3/4
3/4
3/4
3/4
1/2
13/16
1/2
-
13200
13200
14330
13200
11020
26400
26400
42990
26400
22050
43.7
48.0
32.8
46.9
26.5

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