Page 75 - Vetus

WATER LUBRICATED STERN GEAR

G.R.P. (Polyester) stern tube assembly

Type Ø D A J Ø Q W C Length B
13
1 1 / 1 / 4 / 5” 22 / 42 / 62 / 81 /
7
37
17
9
47
15
BG25/0500 Shaft length 16 64 32 8 64 64 16
(25) (40) (44) (112) (127) (581,5) (1081,5) (1581,5) (2081,5)
1
1
1 / 2 / 1 / 4 / 6 / 2 / 43 / 62 / 82 /
1
13
37
31
13
3
49
BG30/0500 16 4 32 32 64 16 8 16 2
(30) (57) (50) (112) (172) (595,5) (1095,5) (1595,5) (2095,5)
1 / 2 / 2 / 4 / 7 / 2 / 43 / 62 / 82 /
37
3
1
13
1
13
1
1
1
BG35/0500 8 8 4 32 4 16 8 16 2
(35) (54) (57) (112) (184) (595,5) (1095,5) (1595,5) (2095,5)
1 / 2 / 2 / 4 / 8 / 2 / 43 / 62 / 82 /
7
33
13
31
27
1
9
37
1
BG40/0500 16 64 16 64 64 16 8 16 2
(40) (64) (62) (114) (214) (595,5) (1095,5) (1595,5) (2095,5)
1. Propeller shaft
2. Stern tube
3. Inner bearing
Note
G.R.P. tubes, can be supplied with the same ZWB dual shaft seal as shown on page 72. For the BG25 also the Triple lip seal
shown at page 73 cane be used. The stern tubes which are provided with a cutless bearing, must be bonded directly into the
hull.
G.R.P. stern tubes - type BG
The propeller end of the G.R.P. stern tube is provided with 2
an outer cutless bearing. The stern tubes must be bonded
directly into the hull.
Type Ø D Length B K Ø Q
47
37
17
1 22 / 42 / 62 / 81 / 5 / 1 /
15
7
BG25 8 64 64 16 16 64
(25) (581,5) (1081,5) (1581,5) (2081,5) (8) (44)
13
1
1
37
31
1 / 2 / 43 / 62 / 82 / 25 / 1 /
3
BG30 16 16 8 16 2 64 32
(30) (595,5) (1095,5) (1595,5) (2095,5) (10) (50)
1 / 2 / 43 / 62 / 82 / 25 / 2 /
1
1
1
37
3
13
BG35 8 16 8 16 2 64 4
(35) (595,5) (1095,5) (1595,5) (2095,5) (10) (57)
9
7
1 / 15 / 2 /
BG40 16 on request 32 16
(40) (12) (62)
2 BR3 BR2
Depending on the length, diameter and RPM
of the shaft, there is a need for 1, 2 or 3 cutlass
bearings.
Forward bearing for stern tubes Intermediate bearing for stern tubes
Type Description Type Description
BR225 Bearing for Ø 1 (25) stern tube BR325 Bearing for Ø 1 (25) stern tube
3
3
BR230 Bearing for Ø 1 / (30) stern tube BR330 Bearing for Ø 1 / (30) stern tube
16 16
BR235 Bearing for Ø 1 / (35) stern tube BR335 Bearing for Ø 1 / (35) stern tube
3
3
8 8
BR240 Bearing for Ø 1 / (40) stern tube BR340 Bearing for Ø 1 / (40) stern tube
9
9
16
16
All dimensions are in inches (mm)
Creators of Boat Systems 75