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r1 chamfering (all sides), bevelled or rounding of manufacturer's choice
r2 rounding of groove bottom for shaft and hub
* similar to DIN 6885
Article no.
11 37 0303 0060/001
Identifier
Parallel key DIN 6885 form B straight-ended, high-sized version
Size
B 3x3x6
Material group
Steel
Surface
bright
Width b
3
Height h
3
for shaft Ø d1 above
8
for shaft Ø d1 up to
10
Shaft groove width b
3
Shaft groove depth t1 [with back clearance]
1,8
Shaft groove depth t1 [or oversize Tolerance]
+0,1
Hub groove width b
3
Hub groove depth t2 [with back clearance]
1,4
Hub groove depth t2 [with oversize]
0,9
Hub groove depth t2 Tolerance
+0,1
d2 Minimum dimension d1+
3,5
Bevelled/Rounded r1 min.
0,16
Bevelled/Rounded r1 max.
0,25
Rounding of groove bottom r2 max.
0,16
Rounding of groove bottom r2 min.
0,08
Length l
6
Length l Tolerance key
-0,2 -0,3
Length l Tolerance groove
+0,2 +0,3
Material

Steel St 50-1 K or St 60-2 K or Thermal treatment steel 1.0503 (C45+C) according to DIN 6880 and DIN EN 10277

CAD file download

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