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	<title>BACK UP BEARING &#8211; WHJ BEARING</title>
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	<description>شركة داليان موشن إنجنيرنغ المحدودة المحدودة</description>
	<lastbuilddate>Mon, 17 Nov 2025 12:50:15 +0000</lastbuilddate>
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		<title>Cylindrical roller bearing for Multi-Roll Mill Backup Rolls</title>
		<link>https://whjbearing.com/ar/product/cylindrical-roller-bearing-for-multi-roll-mill-backup-rolls/</link>
		
		<dc:creator><![CDATA[admin]]></dc:creator>
		<pubdate>Mon, 17 Nov 2025 12:50:15 +0000</pubdate>
				<guid ispermalink="false">https://whjbearing.com/?post_type=product&#038;p=3061</guid>

					<description><![CDATA[Thick-walled bearings for support rollers:

Backed bearings are specialized bearings designed based on double-row or triple-row cylindrical roller bearings, with variations including single-row needle roller bearings and double-row tapered roller bearings. They feature a significantly thickened outer ring and can be mounted in groups on fixed support shafts as support rollers. Primarily used in multi-roll cold rolling mills, they are also suitable for straightening machines, bending machines, and other equipment.

Backed bearings are based on double-row or triple-row cylindrical roller bearings, but offer the following derivative types:

1. Single-row needle roller bearing structure

2. Double-row tapered roller bearing structure. This design utilizes special reinforcement of the outer ring to meet high load-bearing requirements.

Applications: As a dedicated product for multi-roll cold rolling mills, their application scope extends to: straightening roller systems in sheet metal straightening machines; pressure roller groups in metalworking bending machines. A typical application example is a 20-roll mill, which uses a backed bearing system on eight support shafts.

Functional Features: Integral thick-walled outer ring design. It achieves its function by: mounting on a fixed support shaft as a support roll or straightening roll, replacing the traditional single support roll structure; and providing optimized load distribution for multiple rows of rolling elements. As of 2022, this design has been proven to effectively improve the stability of the cold rolling process.]]></description>
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<tr>
<td width="219">التعيين</td>
<td width="235">قطر التجويف</td>
<td width="250">القطر الخارجي</td>
<td width="247">العرض</td>
<td width="195">تصنيف الحمل الديناميكي الأساسي</td>
</tr>
<tr>
<td></td>
<td>مم</td>
<td>مم</td>
<td>مم</td>
<td></td>
</tr>
<tr>
<td width="219">315268 B</td>
<td width="235">70</td>
<td width="250"></td>
<td width="247"></td>
<td width="195">358</td>
</tr>
<tr>
<td width="219">31673737 مكيف هواء متردد</td>
<td width="235">90</td>
<td width="250"></td>
<td width="247"></td>
<td width="195">501</td>
</tr>
<tr>
<td width="219">396040</td>
<td width="235">55</td>
<td width="250"></td>
<td width="247"></td>
<td width="195">123</td>
</tr>
<tr>
<td width="219">BC2B 320432 AE</td>
<td width="235">130</td>
<td width="250"></td>
<td width="247"></td>
<td width="195">1 080</td>
</tr>
<tr>
<td width="219">BCZ-0011</td>
<td width="235">100</td>
<td width="250"></td>
<td width="247"></td>
<td width="195">594</td>
</tr>
<tr>
<td width="219">BCZ-0034 A</td>
<td width="235">120</td>
<td width="250"></td>
<td width="247"></td>
<td width="195">809</td>
</tr>
<tr>
<td width="219">بي سي زد-0113</td>
<td width="235">110</td>
<td width="250"></td>
<td width="247"></td>
<td width="195">765</td>
</tr>
<tr>
<td width="219">BCZ-0113 A</td>
<td width="235">110</td>
<td width="250"></td>
<td width="247"></td>
<td width="195">765</td>
</tr>
<tr>
<td width="219">بي سي زد-0514</td>
<td width="235">100</td>
<td width="250"></td>
<td width="247"></td>
<td width="195">418</td>
</tr>
<tr>
<td width="219">BCZ-0532 A/PEX</td>
<td width="235">130</td>
<td width="250">300</td>
<td width="247">172.65</td>
<td width="195">1 140</td>
</tr>
<tr>
<td width="219">BCZ-0052</td>
<td width="235">130</td>
<td width="250"></td>
<td width="247"></td>
<td width="195">528</td>
</tr>
<tr>
<td width="219">BCZ-0508</td>
<td width="235">90</td>
<td width="250"></td>
<td width="247"></td>
<td width="195">457</td>
</tr>
<tr>
<td width="219">بي سي زد-0512</td>
<td width="235">90</td>
<td width="250"></td>
<td width="247"></td>
<td width="195">468</td>
</tr>
<tr>
<td width="219">BCZ-0525 B</td>
<td width="235">70</td>
<td width="250"></td>
<td width="247"></td>
<td width="195">270</td>
</tr>
<tr>
<td width="219">BCZ-0532/PEX</td>
<td width="235">130</td>
<td width="250">300</td>
<td width="247">172.65</td>
<td width="195">1 140</td>
</tr>
<tr>
<td width="219">315018 A</td>
<td width="235">100</td>
<td width="250"></td>
<td width="247"></td>
<td width="195">660</td>
</tr>
<tr>
<td width="219">315018 C</td>
<td width="235">100</td>
<td width="250"></td>
<td width="247"></td>
<td width="195">660</td>
</tr>
<tr>
<td width="219">610627 B</td>
<td width="235">55</td>
<td width="250"></td>
<td width="247"></td>
<td width="195">58.3</td>
</tr>
<tr>
<td width="219">BCZ-0507</td>
<td width="235">90</td>
<td width="250"></td>
<td width="247"></td>
<td width="195">484</td>
</tr>
<tr>
<td width="219">BCZ-0509</td>
<td width="235">100</td>
<td width="250"></td>
<td width="247"></td>
<td width="195">501</td>
</tr>
<tr>
<td width="219">بي سي زد-0513</td>
<td width="235">100</td>
<td width="250"></td>
<td width="247"></td>
<td width="195">660</td>
</tr>
<tr>
<td width="219">314833 B</td>
<td width="235">130</td>
<td width="250"></td>
<td width="247"></td>
<td width="195">1 170</td>
</tr>
<tr>
<td width="219">314833 قبل الميلاد</td>
<td width="235">130</td>
<td width="250"></td>
<td width="247"></td>
<td width="195">1 170</td>
</tr>
<tr>
<td width="219">31551515 AB</td>
<td width="235">180</td>
<td width="250"></td>
<td width="247"></td>
<td width="195">1 900</td>
</tr>
<tr>
<td width="219">314833 B</td>
<td width="235">130</td>
<td width="250"></td>
<td width="247"></td>
<td width="195">1 170</td>
</tr>
<tr>
<td width="219">314833 قبل الميلاد</td>
<td width="235">130</td>
<td width="250"></td>
<td width="247"></td>
<td width="195">1 170</td>
</tr>
<tr>
<td width="219">31551515 AB</td>
<td width="235">180</td>
<td width="250"></td>
<td width="247"></td>
<td width="195">1 900</td>
</tr>
<tr>
<td width="219">BC2B 322564</td>
<td width="235">110</td>
<td width="250"></td>
<td width="247"></td>
<td width="195">616</td>
</tr>
<tr>
<td width="219">BCZ-0517 A</td>
<td width="235">130</td>
<td width="250"></td>
<td width="247"></td>
<td width="195">880</td>
</tr>
<tr>
<td width="219">بي سي زد-0529</td>
<td width="235">70</td>
<td width="250"></td>
<td width="247"></td>
<td width="195">297</td>
</tr>
<tr>
<td width="219">بي سي زد-8004</td>
<td width="235">205</td>
<td width="250"></td>
<td width="247"></td>
<td width="195">2 090</td>
</tr>
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