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 Parallel
Splines

METRIC PARALLEL SPLINE SHAFT CONNECTIONS
DIN 5463

The flank of each key must
be parallel to the inside
diameter d' as far as to the
point of intersection.

Details left unspecified are to be designed as appropriate

Dimensions of a spline bore profile A having the nominal dimensions 8 x 32 x 36:
Spline bore profile A 8 x 32 x 38 DIN 5462

Designation of a spline shaft profile B having the nominal dimensions 8 x 46 x 54:
Spline shaft profile B 8 x 46 x 54 DIN 5463
Nominal dimensions No. of Keys Centering d1 d2 b D3 e2 f g K r
New symbol Number of keys inside diameter outside diam. Old symbol inside diam. Outside diam. width of key
6 x 11 x 14
6 x 13 x 16
6 x 16 x 20
6 x 16 x 22
6 x 21 x25
6 x 23 x 28
6 x 26 x 32
6 x 28 x 34		 11 x 14 x 4
13 x 16 x 3.5
16 x 20 x 4
18 x 22 x 5
21 x 25 x 5
23 x 28 x 6
26 x 32 x 6
28 x 34 x 7		 6 interior
centering		 11
13
16
18
21
23
26
28		 14
16
20
22
25
28
32
34		 3
3.5
4
5
5
6
6
7		 9.9
12
14.54
16.7
19.5
21.3
23.4
25.9		 1.55
1.5
2.1
1.95
1.98
2.3
2.94
2.94		  
0.32
0.16
0.45
1.95
1.34
1.65
1.7		 0.3
0.3
0.3
0.3
0.3
0.3
0.4
0.4		 0.3
0.3
0.3
0.3
0.3
0.3
0.4
0.4		 0.2
0.2
0.2
0.2
0.2
0.2
0.3
0.3
8 x 32 x 36
8 x 36 x 40
8 x 42 x 46
8 x 46 x 50
8 x 52 x 58
8 x 56 x 62
8 x 62 x 68		 32 x 38 x 6
36 x 42 x 7
42 x 48 x 8
46 x 54 x 9
52 x 60 x 10
56 x 65 x 10
62 x 72 x 10		 8 interior
or flank
centering		 32
35
42
46
52
56
62		 38
42
48
54
60
65
72		 6
7
8
9
10
10
12		 29.4
33.9
39.5
42.7
48.7
52.2
57.8		 3.3
3.01
2.91
4.1
4.74
5
5.43		 0.15
1.02
2.57
0.86
2.44
2.5
2.4		 0.4
0.4
0.4
0.5
0.5
0.5
0.5		 0.4
0.4
0.4
0.5
0.5
0.5
0.5		 0.3
0.3
0.3
0.5
0.5
0.5
0.5
10 x 72 x 72
10 x 82 x 92
10 x 92 x 102
10 x 102 x 112
10 x 112 x 125		 72 x 82 x 12
82 x 92 x 12
92 x 102 x 14
102 x 112 x 16
112 x 125 x 18		 10 72
82
92
102
112		 78
88
98
108
120		 12
12
14
16
18		 67.4
77.1
87.3
97.7
106.3		 5.43
5.4
5.2
4.9
3.4		  
3
4.5
6.3
4.4		 0.5
0.5
0.5
0.5
0.5		 0.5
0.5
0.5
0.5
0.5		 0.5
0.5
0.5
0.5
0.5

1) Internal centering is not possible for all profiles when producing spline shaft profiles by the hobbing process.
2) These values have been calculated on the basis that the spline shaft profiles are produced by the hobbing process
3) Tolerances for inside diameter d1, outside diameter d2, and key width b should be stated
4) The old symbol should no longer be used for new construction and remains in force only for the transition period.