Parallel key DIN 6885 form B straight-ended B 40x22x250 Steel bright
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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
r2 rounding of groove bottom for shaft and hub
* similar to DIN 6885
Article no.
11 37 4022 2500/001
Identifier
Parallel key DIN 6885 form B straight-ended, high-sized version
Size
B 40x22x250
Material group
Steel
Surface
bright
Width b
40
Height h
22
for shaft Ø d1 above
150
for shaft Ø d1 up to
170
Shaft groove width b
40
Shaft groove depth t1 [with back clearance]
13
Shaft groove depth t1 [or oversize Tolerance]
+0,3
Hub groove width b
40
Hub groove depth t2 [with back clearance]
9,4
Hub groove depth t2 [with oversize]
8,1
Hub groove depth t2 Tolerance
+0,3
d2 Minimum dimension d1+
23
Bevelled/Rounded r1 min.
1
Bevelled/Rounded r1 max.
1,2
Rounding of groove bottom r2 max.
1
Rounding of groove bottom r2 min.
0,7
Length l
250
Length l Tolerance key
-0,5
Length l Tolerance groove
+0,5
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
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