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291
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
RF50100
Single block, universal head
50
12 -
5 500 1500 117
2
1/2 -
3/16 1100 3310 4.1
RF50101
Single block, loop head
50
12 -
-
500 1500 97
2
1/2 -
-
1100 3310 3.4
RF50110
Single block, becket, universal head
50
12 -
5 500 1500 133
2
1/2 -
3/16 1100 3310 4.7
RF50200
Double block, universal head
50
12 -
6 800 2000 254
2
1/2 -
1/4 1760 4410 9.0
RF1057
Suits loop head and
shackle head blocks
RF321
Suits swivel
shackle head blocks
RF150
4.8mm (3/16”) pin, suits
single blocks
RF151
6mm (1/4”) pin, suits
double blocks
Low friction, 2-stage ball bearing system provides consistent performance
over the full load range.
High static and dynamic load capacity.
Light weight.
Cheek cut-outs for easy bearing maintenance.
Double block can be locked at 0° or 90°, or left free to swivel, by adjusting
the head post grub screw.
Removable becket pins allow lines to be spliced prior to fitting and are
locked into position without the use of split rings or tools.
RF50200
RF50100
RF50101
RF50110
Series 50
B
AL
L
BE
AR
IN
G
&
H
IGH
L
OAD B
LO
CK
S
