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Ningbo Ritbearing Imp & Exp Co.,Ltd.
 
 
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Seal Ring Needle Bearings NA-2RS Series 

  产品分类 : 服飾及紡織->配件->包包配件

     
Seal Ring Needle Bearings NA-2RS Series
         

  产品规格
 
Model No:    NA-2RS Series
  Country  CN
  Payment Term  L/C,T/T

 

  产品描述
   
  <p>
<span style="line-height:1.5;"><strong>Seal Ring Needle Bearings NA-2RS Series</strong>&nbsp;is a bearing unit composed of machined outer ring &amp; inner ring,cage and needle roller assembly featuring small section height,big load capacity &amp; rigidity,compact structure and small size,high rotating accuracy with the structure of disposed inner ring.</span>
</p>
<p>
<strong>High Precision Needle Bearings NA-2RS Series</strong> is characterized by multiple structures,broad adaptability and easy installation.<br />
<strong>Needle Bearings With Inner NA-2RS Series</strong> is widely used in automobile,machine toll,lathe,metallurgical,textile,printing industry and etc. Various machinery equipment. With this kind of bearing,machine design can realize the goal of small-scale &amp; light weight.
</p>
<p>
<strong>Seal Ring Needle Bearings NA-2RS Series</strong> Material:<br />
Material for needle roller is GCr15 bearing steel,quench-hardening HRC60-65<br />
Material for inner and outer rings is GCr15 bearing steel,quench-hardening HRC60-65<br />
Material for cages is quality low-carbon steel or reinforced nylon.<br />
Special Directions:<br />
Bearing running clearance and inner-cutting roundness should be regulated according to different conditions.<br />
Machine tolls should be used for press-in fitting or thermal fitting when install the bearing.<br />
Limited by plastic cages(suffixed with TN) and sealing-element material ,operating temperature is -30℃--+100℃<br />
For general-disposition design of bearings,refer to the relevant recommendation in the applied technology of roller bearings.<br />
<strong><br />
<strong></strong> </strong>
</p>
<p>
<strong><br />
</strong>
</p>
<p>
<strong><strong><img src="http://i.bosscdn.com/product/e3/e4/72/dbfbf1483fb7fb4cdf7aa2d338.png" width="333" height="262" title="High Precision Needle Bearings NA-2RS Series" alt="High Precision Needle Bearings NA-2RS Series" /> </strong> </strong>
</p>
<p>
Features<br />
Lowest cross section among rolling bearings&nbsp;<br />
In applications where less space is available, needle roller and cage assemblies offer a very compact solution.<br />
High load carrying capacity&nbsp;<br />
Due to their large number of rollers, needle roller and cage assemblies have a high load carrying capacity.&nbsp;<br />
High stiffness&nbsp;<br />
Due to their large number of small-diameter rollers, needle roller and cage assemblies have high stiffness.<strong><strong><br />
</strong> </strong>
</p>
<p>
<strong><strong><strong>
<table height="289" style="width:685px;" class="ke-zeroborder">
<tbody>
<tr>
<td class="et3" rowspan="2" height="80" width="119" style="font-size:9pt;font-weight:700;text-align:center;vertical-align:middle;border:0.5pt solid #000000;">
Bearing&nbsp;No.
</td>
<td class="et3" colspan="5" height="40" width="360" style="font-size:9pt;font-weight:700;text-align:center;vertical-align:middle;border:0.5pt solid #000000;">
Boundary&nbsp;dimensions(mm)
</td>
<td class="et3" colspan="2" height="40" width="144" style="font-size:9pt;font-weight:700;text-align:center;vertical-align:middle;border:0.5pt solid #000000;">
Basic&nbsp;load&nbsp;ratings(N)
</td>
<td class="et3" height="40" width="139" style="font-size:9pt;font-weight:700;text-align:center;vertical-align:middle;border:0.5pt solid #000000;">
<p>
Limiting
</p>
<p>
&nbsp;speeds(rpm)
</p>
</td>
<td class="et3" rowspan="2" height="80" width="119" style="font-size:9pt;font-weight:700;text-align:center;vertical-align:middle;border:0.5pt solid #000000;">
Mass(Kg)
</td>
</tr>
<tr>
<td class="et3" height="40" width="72" style="font-size:9pt;font-weight:700;text-align:center;vertical-align:middle;border:0.5pt solid #000000;">
d
</td>
<td class="et3" height="40" width="72" style="font-size:9pt;font-weight:700;text-align:center;vertical-align:middle;border:0.5pt solid #000000;">
Fw(F)
</td>
<td class="et3" height="40" width="72" style="font-size:9pt;font-weight:700;text-align:center;vertical-align:middle;border:0.5pt solid #000000;">
D
</td>
<td class="et3" height="40" width="72" style="font-size:9pt;font-weight:700;text-align:center;vertical-align:middle;border:0.5pt solid #000000;">
C
</td>
<td class="et3" height="40" width="72" style="font-size:9pt;font-weight:700;text-align:center;vertical-align:middle;border:0.5pt solid #000000;">
B
</td>
<td class="et3" height="40" width="72" style="font-size:9pt;font-weight:700;text-align:center;vertical-align:middle;border:0.5pt solid #000000;">
Cr
</td>
<td class="et3" height="40" width="72" style="font-size:9pt;font-weight:700;text-align:center;vertical-align:middle;border:0.5pt solid #000000;">
Cor
</td>
<td class="et3" height="40" width="139" style="font-size:9pt;font-weight:700;text-align:center;vertical-align:middle;border:0.5pt solid #000000;">
Oil
</td>
</tr>
<tr>
<td class="et3" height="19" width="119" style="font-size:9pt;font-weight:700;text-align:center;vertical-align:middle;border:0.5pt solid #000000;">
NA4900-2RS
</td>
<td class="et6" height="19" width="72" style="font-size:9pt;text-align:center;vertical-align:middle;border:0.5pt solid #000000;">
10
</td>
<td class="et6" height="19" width="72" style="font-size:9pt;text-align:center;vertical-align:middle;border:0.5pt solid #000000;">
14
</td>
<td class="et6" height="19" width="72" style="font-size:9pt;text-align:center;vertical-align:middle;border:0.5pt solid #000000;">
22
</td>
<td class="et6" height="19" width="72" style="font-size:9pt;text-align:center;vertical-align:middle;border:0.5pt solid #000000;">
13
</td>
<td class="et6" height="19" width="72" style="font-size:9pt;text-align:center;vertical-align:middle;border:0.5pt solid #000000;">
14
</td>
<td class="et6" height="19" width="72" style="font-size:9pt;text-align:center;vertical-align:middle;border:0.5pt solid #000000;">
4560
</td>
<td class="et6" height="19" width="72" style="font-size:9pt;text-align:center;vertical-align:middle;border:0.5pt solid #000000;">
4660
</td>
<td class="et6" height="19" width="139" style="font-size:9pt;text-align:center;vertical-align:middle;border:0.5pt solid #000000;">
13000
</td>
<td class="et6" height="19" width="119" style="font-size:9pt;text-align:center;vertical-align:middle;border:0.5pt solid #000000;">
24.5
</td>
</tr>
<tr>
<td class="et3" height="19" width="119" style="font-size:9pt;font-weight:700;text-align:center;vertical-align:middle;border:0.5pt solid #000000;">
NA4901-2RS
</td>
<td class="et6" height="19" width="72" style="font-size:9pt;text-align:center;vertical-align:middle;border:0.5pt solid #000000;">
12
</td>
<td class="et6" height="19" width="72" style="font-size:9pt;text-align:center;vertical-align:middle;border:0.5pt solid #000000;">
16
</td>
<td class="et6" height="19" width="72" style="font-size:9pt;text-align:center;vertical-align:middle;border:0.5pt solid #000000;">
24
</td>
<td class="et6" height="19" width="72" style="font-size:9pt;text-align:center;vertical-align:middle;border:0.5pt solid #000000;">
13
</td>
<td class="et6" height="19" width="72" style="font-size:9pt;text-align:center;vertical-align:middle;border:0.5pt solid #000000;">
14
</td>
<td class="et6" height="19" width="72" style="font-size:9pt;text-align:center;vertical-align:middle;border:0.5pt solid #000000;">
5980
</td>
<td class="et6" height="19" width="72" style="font-size:9pt;text-align:center;vertical-align:middle;border:0.5pt solid #000000;">
9500
</td>
<td class="et6" height="19" width="139" style="font-size:9pt;text-align:center;vertical-align:middle;border:0.5pt solid #000000;">
12000
</td>
<td class="et6" height="19" width="119" style="font-size:9pt;text-align:center;vertical-align:middle;border:0.5pt solid #000000;">
27.5
</td>
</tr>
<tr>
<td class="et3" height="19" width="119" style="font-size:9pt;font-weight:700;text-align:center;vertical-align:middle;border:0.5pt solid #000000;">
NA4902-2RS
</td>
<td class="et6" height="19" width="72" style="font-size:9pt;text-align:center;vertical-align:middle;border:0.5pt solid #000000;">
15
</td>
<td class="et6" height="19" width="72" style="font-size:9pt;text-align:center;vertical-align:middle;border:0.5pt solid #000000;">
20
</td>
<td class="et6" height="19" width="72" style="font-size:9pt;text-align:center;vertical-align:middle;border:0.5pt solid #000000;">
28
</td>
<td class="et6" height="19" width="72" style="font-size:9pt;text-align:center;vertical-align:middle;border:0.5pt solid #000000;">
13
</td>
<td class="et6" height="19" width="72" style="font-size:9pt;text-align:center;vertical-align:middle;border:0.5pt solid #000000;">
14
</td>
<td class="et6" height="19" width="72" style="font-size:9pt;text-align:center;vertical-align:middle;border:0.5pt solid #000000;">
5980
</td>
<td class="et6" height="19" width="72" style="font-size:9pt;text-align:center;vertical-align:middle;border:0.5pt solid #000000;">
9500
</td>
<td class="et6" height="19" width="139" style="font-size:9pt;text-align:center;vertical-align:middle;border:0.5pt solid #000000;">
10000
</td>
<td class="et6" height="19" width="119" style="font-size:9pt;text-align:center;vertical-align:middle;border:0.5pt solid #000000;">
37
</td>
</tr>
<tr>
<td class="et3" height="19" width="119" style="font-size:9pt;font-weight:700;text-align:center;vertical-align:middle;border:0.5pt solid #000000;">
NA4903-2RS
</td>
<td class="et6" height="19" width="72" style="font-size:9pt;text-align:center;vertical-align:middle;border:0.5pt solid #000000;">
17
</td>
<td class="et6" height="19" width="72" style="font-size:9pt;text-align:center;vertical-align:middle;border:0.5pt solid #000000;">
22
</td>
<td class="et6" height="19" width="72" style="font-size:9pt;text-align:center;vertical-align:middle;border:0.5pt solid #000000;">
30
</td>
<td class="et6" height="19" width="72" style="font-size:9pt;text-align:center;vertical-align:middle;border:0.5pt solid #000000;">
13
</td>
<td class="et6" height="19" width="72" style="font-size:9pt;text-align:center;vertical-align:middle;border:0.5pt solid #000000;">
14
</td>
<td class="et6" height="19" width="72" style="font-size:9pt;text-align:center;vertical-align:middle;border:0.5pt solid #000000;">
6050
</td>
<td class="et6" height="19" width="72" style="font-size:9pt;text-align:center;vertical-align:middle;border:0.5pt solid #000000;">
10100
</td>
<td class="et6" height="19" width="139" style="font-size:9pt;text-align:center;vertical-align:middle;border:0.5pt solid #000000;">
9000
</td>
<td class="et6" height="19" width="119" style="font-size:9pt;text-align:center;vertical-align:middle;border:0.5pt solid #000000;">
40
</td>
</tr>
<tr>
<td class="et3" height="19" width="119" style="font-size:9pt;font-weight:700;text-align:center;vertical-align:middle;border:0.5pt solid #000000;">
NA4904-2RS
</td>
<td class="et6" height="19" width="72" style="font-size:9pt;text-align:center;vertical-align:middle;border:0.5pt solid #000000;">
20
</td>
<td class="et6" height="19" width="72" style="font-size:9pt;text-align:center;vertical-align:middle;border:0.5pt solid #000000;">
25
</td>
<td class="et6" height="19" width="72" style="font-size:9pt;text-align:center;vertical-align:middle;border:0.5pt solid #000000;">
37
</td>
<td class="et6" height="19" width="72" style="font-size:9pt;text-align:center;vertical-align:middle;border:0.5pt solid #000000;">
17
</td>
<td class="et6" height="19" width="72" style="font-size:9pt;text-align:center;vertical-align:middle;border:0.5pt solid #000000;">
18
</td>
<td class="et6" height="19" width="72" style="font-size:9pt;text-align:center;vertical-align:middle;border:0.5pt solid #000000;">
14900
</td>
<td class="et6" height="19" width="72" style="font-size:9pt;text-align:center;vertical-align:middle;border:0.5pt solid #000000;">
17500
</td>
<td class="et6" height="19" width="139" style="font-size:9pt;text-align:center;vertical-align:middle;border:0.5pt solid #000000;">
7500
</td>
<td class="et6" height="19" width="119" style="font-size:9pt;text-align:center;vertical-align:middle;border:0.5pt solid #000000;">
80
</td>
</tr>
<tr>
<td class="et3" height="19" width="119" style="font-size:9pt;font-weight:700;text-align:center;vertical-align:middle;border:0.5pt solid #000000;">
NA4905-2RS
</td>
<td class="et6" height="19" width="72" style="font-size:9pt;text-align:center;vertical-align:middle;border:0.5pt solid #000000;">
25
</td>
<td class="et6" height="19" width="72" style="font-size:9pt;text-align:center;vertical-align:middle;border:0.5pt solid #000000;">
30
</td>
<td class="et6" height="19" width="72" style="font-size:9pt;text-align:center;vertical-align:middle;border:0.5pt solid #000000;">
42
</td>
<td class="et6" height="19" width="72" style="font-size:9pt;text-align:center;vertical-align:middle;border:0.5pt solid #000000;">
17
</td>
<td class="et6" height="19" width="72" style="font-size:9pt;text-align:center;vertical-align:middle;border:0.5pt solid #000000;">
18
</td>
<td class="et6" height="19" width="72" style="font-size:9pt;text-align:center;vertical-align:middle;border:0.5pt solid #000000;">
16300
</td>
<td class="et6" height="19" width="72" style="font-size:9pt;text-align:center;vertical-align:middle;border:0.5pt solid #000000;">
21500
</td>
<td class="et6" height="19" width="139" style="font-size:9pt;text-align:center;vertical-align:middle;border:0.5pt solid #000000;">
6500
</td>
<td class="et6" height="19" width="119" style="font-size:9pt;text-align:center;vertical-align:middle;border:0.5pt solid #000000;">
89.5
</td>
</tr>
<tr>
<td class="et3" height="19" width="119" style="font-size:9pt;font-weight:700;text-align:center;vertical-align:middle;border:0.5pt solid #000000;">
NA4906-2RS
</td>
<td class="et6" height="19" width="72" style="font-size:9pt;text-align:center;vertical-align:middle;border:0.5pt solid #000000;">
30
</td>
<td class="et6" height="19" width="72" style="font-size:9pt;text-align:center;vertical-align:middle;border:0.5pt solid #000000;">
35
</td>
<td class="et6" height="19" width="72" style="font-size:9pt;text-align:center;vertical-align:middle;border:0.5pt solid #000000;">
47
</td>
<td class="et6" height="19" width="72" style="font-size:9pt;text-align:center;vertical-align:middle;border:0.5pt solid #000000;">
17
</td>
<td class="et6" height="19" width="72" style="font-size:9pt;text-align:center;vertical-align:middle;border:0.5pt solid #000000;">
18
</td>
<td class="et6" height="19" width="72" style="font-size:9pt;text-align:center;vertical-align:middle;border:0.5pt solid #000000;">
20050
</td>
<td class="et6" height="19" width="72" style="font-size:9pt;text-align:center;vertical-align:middle;border:0.5pt solid #000000;">
24900
</td>
<td class="et6" height="19" width="139" style="font-size:9pt;text-align:center;vertical-align:middle;border:0.5pt solid #000000;">
5500
</td>
<td class="et6" height="19" width="119" style="font-size:9pt;text-align:center;vertical-align:middle;border:0.5pt solid #000000;">
104
</td>
</tr>
<tr>
<td class="et3" height="19" width="119" style="font-size:9pt;font-weight:700;text-align:center;vertical-align:middle;border:0.5pt solid #000000;">
NA4907-2RS
</td>
<td class="et6" height="19" width="72" style="font-size:9pt;text-align:center;vertical-align:middle;border:0.5pt solid #000000;">
35
</td>
<td class="et6" height="19" width="72" style="font-size:9pt;text-align:center;vertical-align:middle;border:0.5pt solid #000000;">
42
</td>
<td class="et6" height="19" width="72" style="font-size:9pt;text-align:center;vertical-align:middle;border:0.5pt solid #000000;">
55
</td>
<td class="et6" height="19" width="72" style="font-size:9pt;text-align:center;vertical-align:middle;border:0.5pt solid #000000;">
20
</td>
<td class="et6" height="19" width="72" style="font-size:9pt;text-align:center;vertical-align:middle;border:0.5pt solid #000000;">
21
</td>
<td class="et6" height="19" width="72" style="font-size:9pt;text-align:center;vertical-align:middle;border:0.5pt solid #000000;">
22500
</td>
<td class="et6" height="19" width="72" style="font-size:9pt;text-align:center;vertical-align:middle;border:0.5pt solid #000000;">
37000
</td>
<td class="et6" height="19" width="139" style="font-size:9pt;text-align:center;vertical-align:middle;border:0.5pt solid #000000;">
4800
</td>
<td class="et6" height="19" width="119" style="font-size:9pt;text-align:center;vertical-align:middle;border:0.5pt solid #000000;">
175
</td>
</tr>
<tr>
<td class="et3" height="19" width="119" style="font-size:9pt;font-weight:700;text-align:center;vertical-align:middle;border:0.5pt solid #000000;">
NA4908-2RS
</td>
<td class="et6" height="19" width="72" style="font-size:9pt;text-align:center;vertical-align:middle;border:0.5pt solid #000000;">
40
</td>
<td class="et6" height="19" width="72" style="font-size:9pt;text-align:center;vertical-align:middle;border:0.5pt solid #000000;">
48
</td>
<td class="et6" height="19" width="72" style="font-size:9pt;text-align:center;vertical-align:middle;border:0.5pt solid #000000;">
62
</td>
<td class="et6" height="19" width="72" style="font-size:9pt;text-align:center;vertical-align:middle;border:0.5pt solid #000000;">
22
</td>
<td class="et6" height="19" width="72" style="font-size:9pt;text-align:center;vertical-align:middle;border:0.5pt solid #000000;">
23
</td>
<td class="et6" height="19" width="72" style="font-size:9pt;text-align:center;vertical-align:middle;border:0.5pt solid #000000;">
33050
</td>
<td class="et6" height="19" width="72" style="font-size:9pt;text-align:center;vertical-align:middle;border:0.5pt solid #000000;">
50900
</td>
<td class="et6" height="19" width="139" style="font-size:9pt;text-align:center;vertical-align:middle;border:0.5pt solid #000000;">
4200
</td>
<td class="et6" height="19" width="119" style="font-size:9pt;text-align:center;vertical-align:middle;border:0.5pt solid #000000;">
252
</td>
</tr>
<tr>
<td class="et3" height="19" width="119" style="font-size:9pt;font-weight:700;text-align:center;vertical-align:middle;border:0.5pt solid #000000;">
NA4909-2RS
</td>
<td class="et6" height="19" width="72" style="font-size:9pt;text-align:center;vertical-align:middle;border:0.5pt solid #000000;">
45
</td>
<td class="et6" height="19" width="72" style="font-size:9pt;text-align:center;vertical-align:middle;border:0.5pt solid #000000;">
52
</td>
<td class="et6" height="19" width="72" style="font-size:9pt;text-align:center;vertical-align:middle;border:0.5pt solid #000000;">
68
</td>
<td class="et6" height="19" width="72" style="font-size:9pt;text-align:center;vertical-align:middle;border:0.5pt solid #000000;">
22
</td>
<td class="et6" height="19" width="72" style="font-size:9pt;text-align:center;vertical-align:middle;border:0.5pt solid #000000;">
23
</td>
<td class="et6" height="19" width="72" style="font-size:9pt;text-align:center;vertical-align:middle;border:0.5pt solid #000000;">
34800
</td>
<td class="et6" height="19" width="72" style="font-size:9pt;text-align:center;vertical-align:middle;border:0.5pt solid #000000;">
56800
</td>
<td class="et6" height="19" width="139" style="font-size:9pt;text-align:center;vertical-align:middle;border:0.5pt solid #000000;">
3900
</td>
<td class="et6" height="19" width="119" style="font-size:9pt;text-align:center;vertical-align:middle;border:0.5pt solid #000000;">
290
</td>
</tr>
<tr>
<td class="et3" height="19" width="119" style="font-size:9pt;font-weight:700;text-align:center;vertical-align:middle;border:0.5pt solid #000000;">
NA4910-2RS
</td>
<td class="et6" height="19" width="72" style="font-size:9pt;text-align:center;vertical-align:middle;border:0.5pt solid #000000;">
50
</td>
<td class="et6" height="19" width="72" style="font-size:9pt;text-align:center;vertical-align:middle;border:0.5pt solid #000000;">
58
</td>
<td class="et6" height="19" width="72" style="font-size:9pt;text-align:center;vertical-align:middle;border:0.5pt solid #000000;">
72
</td>
<td class="et6" height="19" width="72" style="font-size:9pt;text-align:center;vertical-align:middle;border:0.5pt solid #000000;">
22
</td>
<td class="et6" height="19" width="72" style="font-size:9pt;text-align:center;vertical-align:middle;border:0.5pt solid #000000;">
23
</td>
<td class="et6" height="19" width="72" style="font-size:9pt;text-align:center;vertical-align:middle;border:0.5pt solid #000000;">
37800
</td>
<td class="et6" height="19" width="72" style="font-size:9pt;text-align:center;vertical-align:middle;border:0.5pt solid #000000;">
61500
</td>
<td class="et6" height="19" width="139" style="font-size:9pt;text-align:center;vertical-align:middle;border:0.5pt solid #000000;">
3500
</td>
<td class="et6" height="19" width="119" style="font-size:9pt;text-align:center;vertical-align:middle;border:0.5pt solid #000000;">
295
</td>
</tr>
</tbody>
</table>
<br />
</strong> </strong> </strong>
</p>
<p>
<strong><strong><strong> </strong> </strong> </strong>
</p>
<p>
<strong><strong><strong> <br />
</strong> </strong> </strong>
</p>
<p>
<strong><strong><br />
</strong> </strong>
</p>ritbearingchina.com

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