d 500-560mm
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Dimension and Parameters
Basic dimension mm Basic rated load Code Rated speed r/min Mass
kg
Dimension mm Shoulder and chamfer size mm
d D B/B1 Dynamic ckn Static
co
kn
Reference speed Limit speed r/min d1≈ D1≈ F,E r1.2
min
r3.4
min
S1) da
min
da
max
db
min
Da
max
cancel ra
max
rb
max
500 720 128 2920 5850 NU20/500ECMA 750 1100 180 - 649 553 6 6 12.7 523 549 558 697 - 5 5
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