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Xibei Bearing Co.,Ltd.

 
 
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Tapered Roller Bearing 32226 

  Category : Textiles and clothing->Accessories->handbag accessories

     
Tapered Roller Bearing 32226
       

  Product Specification
 
  Model No:      32226
  Country  CN
  Brand  NXZ
  Packing  Standard Export Package
  Payment Term  L/C,T/T

 

    Product Detail
  <p class="MsoNormalIndent" style="text-indent:0cm;">
<b>Tapered
Roller Bearings</b>
</p>
<p class="MsoNormalIndent" style="text-align:center;text-indent:0cm;" align="center">
<b>&nbsp;</b>
</p>
<p class="MsoNormalIndent">
Tapered roller bearings are mainly suitable
to carry combined load---radial load and as well as axial load; While steep
angle tapered roller bearings (27°-30°) can carry the combined load dominated
by the axial load. The tapered roller bearings are separable bearings, their
internal assemblies and outer rings can be mounted separately; the radial
clearance and axial clearance can be adjusted when mounting and interference
fits are also allowed.
</p>
<p class="MsoNormalIndent">
Structures
</p>
<p class="MsoNormalIndent" style="margin-left:21.0pt;text-indent:0cm;">
1.30000
type single-row tapered roller bearings
</p>
<p class="MsoNormalIndent">
This type of bearings can accommodate the
axial displacement and axial load on one direction on the shaft or housing. An
additional axial force will be generated under the action of radial load, so
the outer ring and inner ring inside the two bearing slewing should be mounted
with their end faces with same name opposite each other. When applied
separately, the applied axial force must be larger than the additional axial
force.
</p>
<p class="MsoNormalIndent" style="margin-left:21.0pt;text-indent:0cm;">
2.350000
and 370000 types of double-row tapered roller bearings
</p>
<p class="MsoNormalIndent">
These types of bearings comprise one
double-raceway outer ring (one double-raceway inner ring) and two inner rings
(two outer rings). There is a spacer between the two inner rings (two outer
rings), To change the thickness of the spacer can adjust the bearing clearance.
They can carry radial and double-direction axial load simultaneously.
</p>
<p class="MsoNormalIndent" style="margin-left:21.0pt;text-indent:0cm;">
3.
380000 type four-row tapered roller bearings
</p>
<p class="MsoNormalIndent">
This type of bearing adopts two
double-raceway inner rings, one double-raceway outer rings and two single
raceways. There are spacers between inner rings and outer rings used for
adjusting bearing clearance. They can accommodate large radial load. But their
limit rotational speed is low so they are mainly applied to heavy-duty machines
such as rolling mills.
</p>
<p class="MsoNormalIndent">
<b>Cage
materials</b>
</p>
<p class="MsoNormalIndent">
Tapered roller bearings generally adopt steel
sheet cages, when with too large sizes, use welded steel sheet cages or steel
pinned solid cages.
</p>
<p class="MsoNormalIndent">
<b>Permissible
tilt angle</b>
</p>
<p class="MsoNormalIndent">
Generally, inclination is not allowed between
the shaft and the housing on the tapered roller bearings. If any, it should not
exceed 2'.
</p>
<p class="MsoNormalIndent">
<b>Tolerance
and Clearance</b>
</p>
<p class="MsoNormalIndent">
Generally, the tolerance classes of tapered
roller bearings is P0, also can produce higher tolerance classes bearings
according to the requirement of users. The tolerance value is showing in the
section [the tolerance of rolling bearing".
</p>
<p class="MsoNormalIndent">
Users can adjust for practical clearance for
the single-row tapered roller bearings according to different demands. The
radial clearance of double-row and four-row tapered roller bearings is showing
in the table 1.
</p>
<p class="MsoNormalIndent">
Dynamic equivalent radial load
</p>
<p class="MsoNormalIndent">
Single-row tapered roller bearings:
</p>
<p class="MsoNormalIndent">
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; P<sub>r</sub> = F<sub>r</sub>&nbsp;&nbsp; When F<sub>a</sub>/ F<sub>r</sub>≤e
</p>
<p class="MsoNormalIndent">
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
P<sub>r</sub>=0.4F<sub>r</sub>+YF<sub>a&nbsp;&nbsp;&nbsp;&nbsp; </sub>When F<sub>a</sub>/F<sub>r</sub>&gt;e
</p>
<p class="MsoNormalIndent">
When applying single-row tapered roller
bearings in pairs, the additional axial force must be counted when computing
the equivalent dynamic load of the bearings. The axial load magnitude is
influenced by mounting methods and the applied axial load and the detailed
computing method is same as angular contact ball bearings.
</p>
<p class="MsoNormalIndent">
The additional axial load on the single-row
tapered bearings can be approximately computed with the equation below:
</p>
<p class="MsoNormalIndent">
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; S=F<sub>r</sub>/2Y
</p>
<p class="MsoNormalIndent">
Double-row tapered roller bearings:
</p>
<p class="MsoNormalIndent" style="text-indent:0cm;">
F<sub>a</sub>/F<sub>r</sub>≤e&nbsp;&nbsp;&nbsp; P<sub>r</sub>=F<sub>r</sub>+Y<sub>1</sub>F<sub>a</sub>
</p>
<p class="MsoNormalIndent">
P<sub>r</sub>=F<sub>r</sub>+Y<sub>1</sub>F<sub>a</sub>&nbsp;&nbsp;&nbsp; When F<sub>a</sub> /F<sub>r</sub>≤e
</p>
<p class="MsoNormalIndent">
F<sub>a</sub>/F<sub>r</sub>&gt;e&nbsp;&nbsp;&nbsp;&nbsp; P<sub>r</sub>=0.67F<sub>r</sub>+Y<sub>2</sub>F<sub>a</sub>
</p>
<p class="MsoNormalIndent">
P<sub>r</sub>=0.67F<sub>r</sub>+Y<sub>2</sub>F<sub>a&nbsp;&nbsp; </sub>When F<sub>a</sub>/F<sub>r</sub>&gt;e
</p>
<p class="MsoNormalIndent">
Static equivalent radial load
</p>
<p class="MsoNormalIndent">
Single-row tapered roller bearings:
</p>
<p class="MsoNormalIndent" style="text-indent:94.5pt;">
P<sub>0r</sub>=0.5F<sub>r</sub>+Y<sub>0</sub>F<sub>a</sub>&nbsp;&nbsp;&nbsp;
</p>
<p class="MsoNormalIndent">
If P<sub>0r</sub>&lt;F<sub>r</sub>, take P<sub>0r</sub>=F<sub>r</sub>
</p>
<p class="MsoNormalIndent">
Double-row and four-row tapered roller
bearings:
</p>
<p class="MsoNormalIndent" style="text-indent:97.25pt;">
P<sub>0r</sub>=F<sub>r</sub>+Y<sub>0</sub>F<sub>a</sub>&nbsp;&nbsp;
</p>
<p class="MsoNormalIndent" style="text-indent:21.8pt;">
In the
equation:
</p>
<p class="MsoNormalIndent">
F<sub>r</sub> Actual radial load of the bearing
</p>
<p class="MsoNormalIndent">
F<sub>a</sub> Actual
axial load of the bearing
</p>
<p class="MsoNormalIndent">
e.Y.Y<sub>1</sub>.Y<sub>2</sub>.Y<sub>0 </sub>&nbsp;see the bearings dimension table.
</p>
<p class="MsoNormalIndent">
In order to prevent damaging sliding
generated between the rollers and raceway, a minimum radial load must be acted
on the bearing. The calculating formula is:
</p>
<p class="MsoNormalIndent" style="text-indent:84.0pt;">
&nbsp; F<sub>rmin</sub>=0.02C&nbsp;&nbsp;&nbsp;
</p>
<p class="MsoNormalIndent" style="text-indent:0cm;">
In the
equation: F<sub>rmin</sub>&nbsp;&nbsp;&nbsp;&nbsp; Minimum
radial load
</p>
<p class="MsoNormalIndent" style="text-indent:0cm;">
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; C&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Basic dynamic radial load rating&nbsp;
</p>nxzjck.com

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