
VIONiC REXM20/REXT20 installation guide
5
Nominal
external
diameter (mm)
Line
count
Dimensions
Holes
D1
D2
D3
N
D4
θ
52*
8 192
26
50
52.1 – 52.2
4
38
90°
57*
9 000
26
50
57.25 – 57.35
4
38
90°
75
11 840
40.5
64.5
75.3 – 75.4
8
52.5
45°
100
15 744
57.5
97.5
100.2 – 100.3
8
77.5
45°
103
16 200
57.5
97.5
103.0 – 103.2
8
77.5
45°
104
16 384
57.5
97.5
104.2 – 104.4
8
77.5
45°
115
18 000
68
108
114.5 – 114.7
8
88
45°
150
23 600
96
136
150.2 – 150.4
8
116
45°
183
28 800
122.5
162.5
183.2 – 183.4
12
142.5
30°
200
31 488
136
176
200.3 – 200.5
12
156
30°
206
32 400
140.5
180.5
206.1 – 206.5
12
160.5
30°
209
32 768
140.5
180.5
208.4 – 208.8
12
160.5
30°
229
36 000
160.5
200.5
229.0 – 229.4
12
180.5
30°
255
40 000
180.5
220.5
254.4 – 254.8
12
200.5
30°
300
47 200
216
256
300.4 – 300.6
12
236
30°
350
55 040
256
296
350.3 – 350.5
16
276
22.5°
417
65 536
305
345
417.0 – 417.4
16
325
22.5°
REXM20/REXT20 installation drawing
Dimensions and tolerances in mm
9.9 – 10.1
*
*
Graduations are centred
within this dimension
D2
Section A-A
D1
D3
A
θ
A
D-4
0.25
NOTE:
For REXT20 partial
arc please refer to
‘Ring orientation for partial
arc applications’, page 8
Fiducial marks,
4 positions, to
aid installation
N holes Ø6
through
equispaced
*52 mm and 57 mm rings have dimple fiducial features and no slots.