30208 Bearing 45*85*19mm
The 30209 bearing is a taper roller bearing with an inner diameter of 45 mm , an outer diameter of 85 mm, a width of 19 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.
model parameter:
New modle :30209
Old modle :7209E
d(mm):45
D(mm):85
B(mm):19
Cr(kN):67.8
Cor(kN):83.5
Grease(r/min):4500
Oil(r/min):5600
W(KG):0.474
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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