2020 Ronstan Sailboat Hardware Catalogue - Page 72



70
Sheaves
BALL BEARING SHEAVES
Ball bearings provide minimum friction
under moderate loads.
ALL PURPOSE SHEAVES
ACETAL SHEAVE ACETAL BALL BEARINGS
Acetal sheave models have high strength
and utilise the self-lubricating properties
of acetal.
Glass reinforced nylon models have
greater strength and abrasion resistance.
ALUMINIUM RATCHET SHEAVE ACETAL BALL BEARINGS
ALUMINIUM SHEAVE TORLON® BALL BEARINGS
SPECIAL PURPOSE SHEAVES
ACETAL
SHEAVE
GLASS REINFORCED
NYLON SHEAVE
Nylatron® models utilise a cast partially
cross-linked polyamide compound,
modified with a MoS2 filler for lubrication
and to minimise wear. They are suitable
for use with wire or rope.
Aluminium models have a self-lubricating
brass bearing. They are suitable for use
with wire or rope.
ALUMINIUM SHEAVE BRASS BEARING
NYLATRON®
SHEAVE
DIAM.
mm
BORE
mm
WIDTH
mm
MAX. ROPE
mm
MAX. WIRE
mm
WEIGHT
g
DIAM.
in
BORE
in
WIDTH
in
MAX. ROPE
in
MAX. WIRE
in
WEIGHT
oz
Acetal - Ball Bearing
RF15000
RF1020
RF35000
RF1766
RF1767
RF60000
RF70000
15.0
28.0
30.0
38.0
50.4
60.0
75.0
4.7
5.0
10.4
8.0
8.0
3 x 6.2
3 x 6.2
7.1
11.1
10.2
15.0
14.3
16.6
20.8
5
6
8
10
10
10
12
-
3
6
7
15
33
50
104
5/8
1 1/8
1 3/16
1 1/2
2
2 3/8
3
3/16
3/16
3/8
5/16
5/16
3 x 7/32
3 x 7/32
9/32
7/16
7/16
19/32
9/16
21/32
13/16
3/16
1/4
5/16
3/8
3/8
3/8
1/2
-
0.1
0.2
0.2
0.5
1.2
1.8
3.7
Aluminium - Ball Bearing
RF34000
RF44000
RF62000
Series 60 Ultimate Ratchet
RF72000
Series 75 Ultimate Ratchet
30.0
40.0
60.0
75.0
6.0
6.0
3 x 6.1
3 x 6.1
7.7
10.1
16.6
20.8
5
6
10
12
-
10
15
45
95
1 3/16
1 9/16
2 3/8
3
7/32
7/32
3 x 7/32
3 x 7/32
5/16
13/32
21/32
13/16
3/16
1/4
3/8
1/2
-
0.4
0.5
1.6
3.4
Acetal
RF1741
RF1743
RF578
RF1746
RF128
RF129
RF41000
RF1006
RF1751
RF1759
RF437
RF1765
RF431*
RZ1000
19.0
19.0
25.0
26.0
28.0
28.0
40.0
38.0
38.0
50.0
59.0
66.0
73.0
75.0
6.6
8.2
6.5
9.8
8.1
6.6
8.1
12.7
8.2
8.1
11.0
8.2
13.0
21.7
6.4
9.5
9.5
12.0
15.2
9.9
14.4
15.5
10.2
15.6
19.0
15.1
22.0
20.5
6
6
6
8
12
8
10
12
6
14
16
5
14
14
-
1
2
4
5
7
6
15
21
10
22
43
35
97
70
3/4
3/4
1
1
1 1/8
1 1/8
1 9/16
1 1/2
1 1/2
1 15/16
2 5/16
2 5/8
2 7/8
2 15/16
1/4
5/16
1/4
3/8
5/16
1/4
5/16
1/2
11/32
11/32
7/16
11/32
15/32
7/8
1/4
3/8
3/8
15/32
19/32
3/8
9/16
19/32
13/32
19/32
3/4
15/32
7/8
13/16
1/4
1/4
1/4
5/16
1/2
5/16
13/32
1/2
1/4
9/16
5/8
3/16
9/16
9/16
-
0.1
0.1
0.1
0.2
0.2
0.2
0.5
0.7
0.4
0.8
1.5
1.2
3.4
2.5
Glass Reinforced Nylon
PNP98JR
PNP98KR
75.0
100.0
13.0
13.0
15.8
19.0
10
12
-
59
80
2 15/16
3 15/16
15/32
15/32
19/32
3/4
3/8
1/2
-
2.1
2.8
Nylatron®
RF20000HL
RF430
RF30000HL
RF40000HL
RF132
RF50000HL
20.0
25.0
30.0
40.0
45.0
50.0
8.1
6.5
8.1
8.1
8.0
10.2
8.8
7.0
11.4
13.4
9.5
18.0
6
5
8
10
12
3
5
3
4
6
5
2
10
6
15
33
28
3/4
1
1 3/16
1 1/2
1 3/4
1 31/32
5/16
1/4
5/16
5/16
5/16
13/32
3/8
9/32
7/16
17/32
3/8
23/32
1/4
3/16
5/16
3/8
1/2
1/8
3/16
1/8
5/32
1/4
3/16
0.1
0.4
0.2
0.5
1.2
1.0
75.0
21.7
20.2
-
8
190
-
7/8
13/16
-
5/16
6.7
PRODUCT No.
BLOCK SUITED
Series 40 Deck Organisers
Series 75 Industrial
RF468
RF103, RF104
Aluminium - Brass Bearing
RZ1000AW
Series 75 Industrial
* Acetal sheave with bronze bearing

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