30228 Bearing 140*250*42mm
30228
Bore Diameter:140 mm
Outside Diameter:250 mm
Width:42 mm
Weight:8.73 kg
The 30228 bearing is a taper roller bearing with an inner diameter of 140 mm , an outer diameter of 250 mm, a width of 42 mm. It typically uses p0,p6,p5 grade precision tolerances and single type, together determine its load-bearing capacity, rotational accuracy, and applicable working conditions.
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Detailed description
model parameter:
New modle :30228
Old modle :7228E
d(mm):140
D(mm):250
B(mm):42
Cr(kN):408
Cor(kN):585
Grease(r/min):1200
Oil(r/min):1600
W(KG):8.73
characteristic :
Taper roller bearings can be dismantled, whose inner ring, assembly part made by rollers and cage, outer rings can be separately assembled. The amendatory contact line in the contact place of rollers and grooves can reduce the concentration of stress. Taper roller bearings, which can bear not only heavy axial but also heavy radial loading capacity, need to be used together with a symmetrically assembled one to transfer the opposite axial loading because of its just ability of transferring the unilateral axial loading capacity.
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