1. DRAWN
RC
PROJECT
SPEED REDUCER
27 Feb 06
COVER PAGE
SIZE REV
1
ALL DIMENSIONS ARE IN MILLIMETERS
UNLESS OTHERWISE SPECIFIED
MODULE
MODULE 22
DATE
FILE NAME
A18530SR.idw
DRAWING TITLE:
SCALE SHEET
OFA 1:2 7 1
ROSEMOUNT TECHNOLOGY CENTRE
3737 BEAUBIEN EAST
MONTREAL QUEBEC
H1X 1A2
A18530SR
248
196 114
232 160
BOSTON GEAR SPEED REDUCER MODEL: 18530SR
DIMENSIONS: 232x248x160 mm
MATERIAL: CAST IRON
WEIGHT: 18.220 kg

2. BOM
DESCRIPTIONPART NUMBERQTYITEM
HOUSING18530111
TOP COVER18531212
WORM SHAFT18530213
WORM WHEEL18530414
WHEEL SHAFT18530315
ROLLER BEARING18530626
END COVER-WHEEL SHAFT18530828
OIL SEAL18531029
OIL SEAL185311210
BALL BEARING185309211
RETAINING RING185314212
HEX HEAD SCREWS1853133413
END COVER185307114
END COVER-CLOSED185305115
DRAWN
RC
PROJECT
SPEED REDUCER
27 Feb 06
BILL OF MATERIALS
SIZE REV
2
ALL DIMENSIONS ARE IN MILLIMETERS
UNLESS OTHERWISE SPECIFIED
MODULE
MODULE 22
DATE
FILE NAME
A18530SR.idw
DRAWING TITLE:
SCALE SHEET
OFA 1:2 7 1
ROSEMOUNT TECHNOLOGY CENTRE
3737 BEAUBIEN EAST
MONTREAL QUEBEC
H1X 1A2
A18530SR
8
13
10
6
5
15
9
3
4
2
1
12
11

3. B
B
DRAWN
RC
PROJECT
SPEED REDUCER 18.53
27 Feb 06
HOUSING
SIZE REV
3
ALL DIMENSIONS ARE IN MILLIMETERS
UNLESS OTHERWISE SPECIFIED
MODULE
MODULE 22
DATE
FILE NAME
A18530SR.idw
DRAWING TITLE:
SCALE SHEET
OFA 1:2 7 1
ROSEMOUNT TECHNOLOGY CENTRE
3737 BEAUBIEN EAST
MONTREAL QUEBEC
H1X 1A2
185301
ALL FILLETS R4
17610
196
R29
144
40 40
104
12 5
10 156 5
40
58
12010
5
160
240
40
44
42
42
120
60
30
64
322
10
10140
220
6x HOLES
M4x0.5 - 6H
EQ. SP. PCD 60
3x HOLES
M4x0.5 - 6H
EQ. SP. PCD 96
4x HOLES
10.5 10
10x HOLES
M4x0.5 - 6H
HOUSING
PART NO.: 185301
DIMENSIONS: 240x160x144 mm
MATERIAL: CAST IRON
WEIGHT: 8.338 kg

4. C
C
DRAWN
RC
PROJECT
SPEED REDUCER 18.53
27 Feb 06
TOP COVER
SIZE REV
4
ALL DIMENSIONS ARE IN MILLIMETERS
UNLESS OTHERWISE SPECIFIED
MODULE
MODULE 22
DATE
FILE NAME
A18530SR.idw
DRAWING TITLE:
SCALE SHEET
OFA 1:2 7 1
ROSEMOUNT TECHNOLOGY CENTRE
3737 BEAUBIEN EAST
MONTREAL QUEBEC
H1X 1A2
185312
ALL FILLETS R4
196
114
R29
118
104
40 4017
10
10
13.5
85
50
2020
98
5
30
68.5 59
2413
14.5
3x HOLES
4.5 THRU
2x 4.5 THRU
3x HOLES
M4x0.5 - 6H
EQ. SP. PDC 96
TOP COVER
PART NO.: 185312
DIMENSIONS: 196x114x118 mm
MATERIAL: CAST IRON
WEIGHT: 5.542 kg

5. DRAWN
RC
PROJECT
SPEED REDUCER
27 Feb 06
SPEED REDUCER
SIZE REV
5
ALL DIMENSIONS ARE IN MILLIMETERS
UNLESS OTHERWISE SPECIFIED
MODULE
MODULE 22
DATE
FILE NAME
A18530SR.idw
DRAWING TITLE:
SCALE SHEET
OFA 1:2 7 1
ROSEMOUNT TECHNOLOGY CENTRE
3737 BEAUBIEN EAST
MONTREAL QUEBEC
H1X 1A2
Worm Gears
20 30 72 30 20
248
14
18
20
24
24
20
18
85.46
50
WORM SHAFT
PART NO.: 185302
PITCH DIAMETER: 50 mm
WORM LENGTH: 72 mm
NUMBER OF TEETH: 10
POWER: 0.100 kW
SPEED: 1000 rpm
TORQUE: 0.955 Nm
MATERIAL: MILD STEEL
WORM GEAR
PART NO.: 185304
PITCH DIAMETER: 120 mm
FACE WIDTH: 15.75 mm
NUMBER OF TEETH: 60
POWER: 0.044kW
SPEED: 16.67 rpm
TORQUE: 25.414 Nm
MATERIAL: MILD STEEL
67 76
25
25
28
2 X 45 Chamfer
2 X 45 Chamfer
KEY WAY
6x3
KEY WAY
6x2
KEY WAY
6x3
KEY WAY
6x2
WHEEL SHAFT
PART NO.: 185303
LENGTH: 210 mm
MATERIAL: MILD STEEL

6. D
D
E
E
F
F
G
G
DRAWN
RC
PROJECT
SPEED REDUCER
27 Feb 06
END COVER
SIZE REV
6
ALL DIMENSIONS ARE IN MILLIMETERS
UNLESS OTHERWISE SPECIFIED
MODULE
MODULE 22
DATE
FILE NAME
A18530SR.idw
DRAWING TITLE:
SCALE SHEET
OFA 1:2 7 1
ROSEMOUNT TECHNOLOGY CENTRE
3737 BEAUBIEN EAST
MONTREAL QUEBEC
H1X 1A2
185308
116
80 80
6x HOLES
4 THRU
4.5 X 90
EQ. SP. PCD 96
6x HOLES
4 THRU
4.5 X 90
EQ. SP. PCD 60
6x HOLES
4 THRU
4.5 X 90
EQ. SP. PCD 60
33
10 20.75
24
36
48
58
R21
33.8
4
10
R30
16.9
2.94 X 60 Chamfer
42
18
END COVER-WHEEL SHAFT
PART NO.: 185308
MATERIAL: IRON CAST
WEIGHT: 0.889 kg
END COVER-CLOSED
PART NO.: 185305
MATERIAL: IRON CAST
WEIGHT:0.190 kg
END COVER
PART NO.: 185307
MATERIAL: IRON CAST
WEIGHT: 0.241 kg
42
36
20
24
8
8
1 X 45 Chamfer
1 X 45 Chamfer
1
0.5
1
0.5
OIL SEAL
PART NO.: 185310
MATERIAL: RUBBER
WEIGHT: 0.008 kg
OIL SEAL
PART NO.: 185306
MATERIAL: RUBBER
WEIGHT: 0.004 kg

7. DRAWN
RC
PROJECT
27 Feb 06
SPEED REDUCER
SIZE REV
7
ALL DIMENSIONS ARE IN MILLIMETERS
UNLESS OTHERWISE SPECIFIED
MODULE
MODULE 22
DATE
FILE NAME
A18530SR.idw
DRAWING TITLE:
SCALE SHEET
OFA 1:2 7 1
ROSEMOUNT TECHNOLOGY CENTRE
3737 BEAUBIEN EAST
MONTREAL QUEBEC
H1X 1A2
DIN 5412 SKF - SKF NU 1005
42
424741.23
R21.25
47
14 7
ROLLER BEARING
PART NO.: 185306
BS 292 - N1005 - METRIC
MATERIAL: MILD STEEL
WEIGHT: 0.087 kg
BALL BEARING
PART NO.: 185309
BS 292 - 7004 - METRIC
MATERIAL: MILD STEEL
WEIGHT: 0.067 kg
RETAINING RING
PART NO.: 185313
ANSI B - EXTERNAL SERIES
3 BMI - 40 - METRIC TAPERED
MATERIAL: MILD STEEL
WEIGHT: 0.005 kg
HEX HEAD SCREW
PART NO.: 185314
ISO 4762 SERIES HEX HEAD
M4x10
MATERIAL: MILD STEEL
WEIGHT:
25
12
20
12
1.8
R18.25
10