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DIN 271 Standard Dimensions for Tangential keys and tangential keyways

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The standard DIN 268 defines requirements for tangential Keys and tangential Keyways for Alternating Shock Loads.

The standard DIN 271 defines requirements for tangential Keys and tangential Keyways for Constant Loads.

Dimensional Drawing and Technical Diagrams

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Key Dimensions and Technical Parameters

Dimensions in mm - Din 268 - Tangential keys and tangential keyways for alternating shock loads - Chiavette tangenziali per carichi alternati - Tangentkeile und Tangentkeilnuten für stoβartige Wechselbeanspruchungen
Publication date: 09/1974
b c key d keyway d shaft diameter
30 10 10.3 100
33 11 11.4 110
36 12 12.4 120
37.5 12.5 12.9 125
39 13 13.4 130
42 14 14.4 140
45 15 15.4 150
48 16 16.4 160
51 17 17.4 170
54 18 18.4 180
57 19 19.4 190
60 20 20.4 200
66 22 22.4 220
72 24 24.4 250
75 25 25.4 260
78 26 26.4 280
84 28 28.4 300
90 30 30.4 320
96 32 32.4 340
102 34 34.4 360
108 36 36.4 380
114 38 38.4 400
120 40 40.4 420
126 42 42.4 440
132 44 44.4 450
135 45 45.4 460
138 46 46.4 480
144 48 48.4 500
150 50 50.5 530
159 53 53.5 560
168 56 56.5 600
180 60 60.5 630
189 63 63.5

Dimensions in mm - Din 271 - Tangential keys and tangential keyways for constant loads - Chiavette tangenziali per carichi costanti - Tangentkeile und Tangentkeilnuten für gleichbleibende Beanspruchungen
Publication date: 09/1974
b c key d keyway d shaft diameter
19.3 7 7.3 60
19.8 7 7.3 63
20.2 7 7.3 65
21 7 7.3 70
22.5 8 8.3 71
23.2 8 8.3 75
24 8 8.3 80
24.8 8 8.3 85
25.6 8 8.3 90
27.8 9 9.3 95
28.6 9 9.3 100
30.1 9 9.3 110
33.2 10 10.3 120
33.9 10 10.3 125
34.6 10 10.3 130
37.7 11 11.4 140
39.1 11 11.4 150
42.1 12 12.4 160
43.5 12 12.4 170
44.9 12 12.4 180
49.6 14 14.4 190
51 14 14.4 200
57.1 16 16.4 220
59.9 16 16.4 240
64.6 18 18.4 250
66 18 18.4 260
72.1 20 20.4 280
74.8 20 20.4 300
81 22 22.4 320
83.6 22 22.4 340
93.2 26 26.4 360
95.9 26 26.4 380
98.6 26 26.4 400
108.2 30 30.4 420
110.9 30 30.4 440
112.3 30 30.4 450
113.6 30 30.4 460
123.1 34 34.4 480
125.9 34 34.4 500
136.7 38 38.4 530
140.8 38 38.4 560
153.1 42 42.4 600
157.1 42 42.4 630

Reproduced by permission of DIN Deutsches Institut für Normung e. V. The definitive version for the implementation of this standard is the edition bearing the most recent date of issue, obtainable from Beuth Verlag GmbH, Burggrafenstraße 6, 10787 Berlin, Germany.
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