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Additional Installation, Operating and Maintenance Instructions (Translation)
3.5 Bearing arrangements
3.5.1 Series A2.R
Basic version, series A21R
Type
A21R 63
A21R 71
A21R 80
A21R 90
A21R 100
A21R 100 LX
A21R 112 M
A21R 132 S2, 4T (FNS)
A21R 132 S, SX2, M6, 8
A21R 132 M4, MX6
A21R 160 M, MX8
A21R 160 MX2, L
A21R 180 M4, L6, 8
A21R 180 M2, L4
A21R 200 L, LX6
A21R 200 LX2
A21R 225 M2
A21R 225 S4, 8, M4, 6, 8
A21R 250 M2
A21R 250 M4, 6, 8
A21R 280 S2, M2
A21R 280 S4,6,8, M4, 6, 8
A21R 315 S2, M2
A21R 315 S4, 6, 8, M4, 6, 8
A21R 315 MX2
A21R 315 MX4, 6, 8
A21R 315 MY2
A21R 315 MY4, 6, 8
A21R 315 L2, LX2
A21R 315 L4, 6, 8, LX4, 6, 8
A22R 355 ... 2pole
A22R 355 ... 4-, 6-, 8-pole
A42R 355MX, L ... 2-pole
A42R 355 MX, L ... 4-, 6-, 8-pole
A42R 400 ... 2-pole
A42R 400 ... 4-, 6-, 8-pole
1) for vertical types of construction Q317 C3, figures 18 and 21
From size A21R 315 MX lubrication device as standard
2) Pressure spring
D-end
V-
V-
ring
ring
Anti-friction
bearing
6201 2Z C3
6202 2Z C3
6204 2Z C3
6205 2Z C3
6206 2Z C3
-
6208 2ZN
C3
6208 2RS
C3
6307 2RS
C3
6309 2RS
C3
6310 2RS
C3
6310 C3
50A
-
6312 C3
60A
6313 C3
65A
6314 C3
70A
6316 C3
80A
85A
6317 C3
RB85
6220 C3
RB100
6317 C3
RB85
6320 C3
-
RB100
6317 C3
RB85
6320 C3
RB100
6317 C3
RB85
6324 C3
RB120
6317 C3
RB85
6324 C3
RB120
6317 C3
RB85
6324 C3
RB120
Felt
ring
Anti-friction
bearing
11,5x19
6201 2Z C3
14,5x21
6202 2Z C3
19,5x26
6204 2Z C3
24,5x35
-
6205 2Z C3
29,2x40
6206 2Z C3
39x60
6306 2Z C3
80
6207 2RS
C3
90
100
6308 2RS
C3
110
6309 2RS
C3
6310 C3
130
6312 C3
140
-
6313 C3
150
6314 C3
170
6316 C3
180
215
180
6317 C3
215
180
260
180
260
2)
6317 C3
2)
6319 C3
24
English
N-end
Figure
V-
ring
Felt
ring
32
12x22
35
15x24
47
20x32
1
52
25x40
-
62
30x50
80
3
50A
60A
-
-
6
65A
70A
80A
13
1)
85A
18
Fixed
bear-
ing
2
With-
out
5
8
N-
end
16
19
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