Nord Drivesystems B 1050 Series User Manual

7 Appendix
B 1050 en-1819 103
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7.4 Torque values
Screw tightening torques [Nm]
Dimensions
Screw connections in the strength
classes Cover
screws
Threaded pin on
coupling
Screw
connections on
protective
covers
8.8 10.9 12.9
M4
3.2
5
6
-
-
-
M5
6.4
9
11
-
2
-
M6
11
16
19
-
-
6.4
M8
27
39
46
11
10
11
M10
53
78
91
11
17
27
M12
92
135
155
27
40
53
M16
230
335
390
35
-
92
M20
460
660
770
-
-
230
M24
790
1150
1300
80
-
460
M30
1600
2250
2650
170
-
-
M36
2780
3910
4710
-
-
1600
M42
4470
6290
7540
-
-
-
M48
6140
8640
16610
-
-
-
M56
9840
13850
24130
-
-
-
G½
-
-
-
75
-
-
G¾
-
-
-
110
-
-
G1
-
-
-
190
-
-
G1¼
-
-
-
240
-
-
G1½
300
-
Table 20: Torque values
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7.5 Tolerances for bolting surfaces
Permissible tolerances for straightness and flatness of bolting surfaces [mm]
up to 10
above 10
up to 30
above 30
up to 100
above 100
up to 300
above 300
up to 1000
above 1000
up to 3000
0.05
0.10
0.20
0.40
0.60
0.80
Table 21: Tolerances for flatness of bolting surfaces
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Nord Drivesystems B 1050 Series Specifications

General

Brand	Nord Drivesystems
Model	B 1050 Series
Category	Engine
Language	English