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Axial-angular Contact Ball Bearings For Screw Drives BSB4072-2Z-SU-XL

2024-02-29
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Axial-angular Contact Ball Bearings For Screw Drives BSB4072-2Z-SU-XL
Main Dimensions & Performance Data
d:40mm       Bore diameter
0 mm       Bore diameter upper tolerance
-0.006 mm   Bore diameter lower tolerance
D:72mm     Outside diameter
0 mm     Outside diameter upper tolerance
-0.007 mm  Outside diameter lower tolerance
B:15 mm      Width
0 mm         Width upper tolerance
-0.12 mm      Width lower tolerance
Ca :40,500 N  Basic dynamic load rating, axial
C0a :89,000 N   Basic static load rating, axial
Cua :5,400 N   Fatigue load limit, axial
nG Grease:5,400 1/min  Limiting speed for grease lubrication
nϑ :4,700 1/min   Thermally safe operating speed
≈m :0.256 kg    Weight
Mounting dimensions
Da :65 mm  Diameter of housing
Da :H12   Diameter of housing clearance
da :47mm  Diameter shaft
da :h12    Diameter shaft clearance
Dimensions
rmin :1 mm  Minimum chamfer dimension
r1 min:0.6 mm  Minimum chamfer dimension
a :48.5 mm   Distance between the apexes of the pressure cones
α :60 °   Contact angle
Temperature range
Tmin :-30 °C  Operating temperature min.
Tmax:120 °C  Operating temperature max.






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