2025 Ronstan Marine Catalogue - Catalog - Page 67
KEELBOAT BLOCKS
Series 150 Orbit
65
© X-Yachts
RF159100A
RF159110A
RF159109A
Suits use with RF2437-16 removable
lashing padeye. See page 209 for details.
RF159151
1 x 10mm (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°.
RF159110A removable becket pin allows
lines to be spliced prior to fitting.
PRODUCT No.
DESCRIPTION
Ball Bearing
RF159100A
RF159109A
RF159110A
RF159151
Single block, universal head
Lashing block
Single block, becket, universal head
Foot block, single
Mainsheet and genoa sheet systems on boats
to 28m (92ft).
Cheek plates: Fully machined aluminium alloy.
Spinnaker systems and halyards on boats
to 31m (102ft).
Needle rollers: Torlon®.
Sheave: Aluminium alloy.
Ball bearings: High compression strength acetal.
(RF159109A: Torlon®)
Running backstay systems on boats
to 28m (92ft).
SHEAVE
DIAM.
mm
MAX.
ROPE
mm
150
150
150
150
24
24
24
20
PIN/EYE
DIAM. M.W.L.
mm
kg
16.0
16.0
-
9000
9000
9000
6500
Forged shackle and head post:
Grade 17-4PH stainless steel.
B.L.
kg
18000
27000
18000
14200
WEIGHT
g
2310
1570
2530
1285
SHEAVE
DIAM.
in
MAX.
ROPE
in
6
6
6
6
1
1
1
3/4
PIN/EYE
DIAM. M.W.L.
in
lb
5/8
5/8
-
19840
19840
19840
14330
B.L.
lb
WEIGHT
oz
39600
59520
39600
31310
81.5
55.4
89.2
45.3
