Tuesday, January 9, 2018

Insulated bearing has NOT stopping in 2018

Have you experienced bearing failure in electrical equipment? Do you know why insulation is needed in motor & generator?
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Insulated bearing has NOT stopping in 2018
 

Electric motors, generators and associated equipment are at risk when an electric current passes through their bearings. This can damage the contact surfaces of rolling elements and raceways in the bearings (electrical erosion) and rapidly degrade the grease. An additional risk in electric motors and generators comes from high frequency currents caused by the inherent stray capacitance. The risk of damage increases where the application uses a frequency converter. Thus here come INSULATED bearings, which usually means coated bearings, ceramic hybrid bearings or full ceramic bearings.
Worldwide famous insulated bearing producers include SKF (INSOCOAT Bearing), NTN (MEGAOHM Bearing), FAG (J20A/B/C Bearing), NKE (SQ77/E Bearing) & etc.

Here we take item 6226M/C3VL0241 for example:

Basic technical data for reference:
Coating Layer Thickness: 0.2-0.4mm
Breakdown voltage: min 1000V
Electrical resistance: min 50MΩ
Insulated Material: Zirconia/ Alumina/ Titanium oxide
Typical applications: Traction motors of railway vehicles/ Electric motors (AC/DC)/ Generators

Different meanings of suffix in Worldwide brands:
SKF INSOCOAT Bearing
 
VL0241:  >1000V DC,  >50MΩ, outer ring insulated
VL2071:  >1000V DC,  >50MΩ, inner ring insulated
VL0244:  >2000V DC,  >150MΩ, outer ring insulated
VL2074:  >2000V DC,  >150MΩ, inner ring insulated
VL0246:  >3000V DC,  >50MΩ, outer ring insulated
VL2076:  >3000V DC,  >50MΩ, inner ring insulated
 
Know more
FAG Insulated Bearing
 
J20C: insulation on the inner ring  
6332-J20C-C3/ 6328-M-J20C-C3/ 6332M.C3.J20C

J20C/ J20A/ J20AA/ J20B: insulation on the outer ring
6220-2RSR-J20AA-C3/ NU214-E-M1-F1-J20B-C4  

Ceramic Hybrid Bearing: HC6214-M-P6-C3
 
Know more
NKE Insulated Bearing
 
​Insulation on the outer ring: SQ77
6330M/C3SQ77   6330-M-C3-SQ77

​Insulation on the inner ring: SQ77E
6330M/C3SQ77E   6330-M-C3-SQ77E

​Hybrid Bearing: 6302SQ77B
Know more

Typical items in different applications:
Wind turbine generators: 6326C3VL2071,6328C3VL2071,6330MC3VL2071,6332MC3VL2071
Electric motors: 6317MC3VL0241,6319MC3VL0241,6322MC3VL0241,NU330ECMC3VL0241
Traction motors of railway vehicles: 6016MC4VL0241,NU214MC4VL0241,6311MC4VL0241
 

Installation Notice:
1.     Installation: Insulated bearing is of high precision, wrong installation easily leads to bearing raceway damages. These bearings should be installed with help of special molds carefully.
2.     Prevention: Dynamic balance measurement for generators should be done before bearing installation in order to avoid iron fillings occurred during dynamic balance measurement running into the bearings.
 

If you have any needs of insulated bearings, just contact TBB

Advanced Holiday Notice
TBB office will be closed for annual Chinese New Year shutdown from Feb 14th to 25th 2018. 
Please make a note.  

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Thursday, December 28, 2017

Fwd: pillow block bearing of 30 years


MIBearings LLC
Traverse City, MI 49686 
United States of America 
Toll Free: 877-929-7280 
Text, Int., & Local: +1 231-714-4177 
Fax: 231-237-4037


---------- Forwarded message ----------
From: nina <mxmy0104@163.com>
Date: Sun, Dec 24, 2017 at 6:24 PM
Subject: pillow block bearing of 30 years
To: mibearings@gmail.com


Good day!


We are professional manufacture for pillow block bearing of 30 years of CHINA.Our brand FKD, We have the bearing factory and housing factory employed about 500 workers. It's one of the biggest pillow block bearing factory in China. Our market has extended to Italy, USA, Brazil, Columbia, Germany, France, Spain, Poland, Bulgaria, Saudi Arabia, Slovenia, Mexico, India, Jordan, Myanmar, Iran, Turkey, Korea, South Africa, Morocco, Indonesia and so on.

  

Here are details

1.Bearing material: chrome steel

2.Housing Material: Cast iron(HT200)

3.Quality:ABEC-1 (P0)

4.Quality Certification:ISO9001:2008


     Any interested contact with me.If you come to CHINA,welcome to our factory.

Best regards

Nina









--

HEBEI HAILAN BEARING MANUFACTURE CO.,LTD

TEL: 0086-311-66689635

FAX: 0086-311-66689635

WhatsApp:008615231164240

SKYPE:NINA547522174

Wechat:008615231164240



 


Fwd: Supply famous SKF,FAG,NSK berings & Best price.


MIBearings LLC
Traverse City, MI 49686 
United States of America 
Toll Free: 877-929-7280 
Text, Int., & Local: +1 231-714-4177 
Fax: 231-237-4037


---------- Forwarded message ----------
From: Jess <jessie@azgsh.com>
Date: Tue, Dec 26, 2017 at 5:33 PM
Subject: Supply famous SKF,FAG,NSK berings & Best price.
To: mibearings@gmail.com


Nice day, dear friend
Hope this email find you well

This is Jess from China ZGSH , manufacturer of bearing for 15years,supply FAG,SKF,INA,TIMKEN,NSK,NTN,KOYO,NACHI,ETC

After saw your website, I thought you might be interested in our bearing. 
would you like to get some samples for testing , my friend?

I'm here waiting for your reply-:)
 

B.R
Jess
Shanhe Precision Bearing Manufacturing Co., Ltd
Tel:+86-021-66775771


Fwd: BMI Bearings -Stock List


MIBearings LLC
Traverse City, MI 49686 
United States of America 
Toll Free: 877-929-7280 
Text, Int., & Local: +1 231-714-4177 
Fax: 231-237-4037


---------- Forwarded message ----------
From: Shrenik Sheth <sales@bmibearings.com>
Date: Wed, Dec 27, 2017 at 5:03 AM
Subject: BMI Bearings -Stock List
To: mibearings@gmail.com


Dear Luke

Please find attached our stock list for your reference.  Let us know if there are any requirements we can assist your company with.

 Feel free to visit our website www.bmibearings.com for additional information.

 We look forward to discussing further along.

 Thanks.

Mr. Shrenik Sheth

Key Account Manager

Cell: 998 700 7699 | Tel: +91 22 2564 0000

Email: shrenik@bmibearings.com

Web: www.bmibearings.com


Fwd: from Victoria (Liaocheng lanluo bearing factory )


MIBearings LLC
Traverse City, MI 49686 
United States of America 
Toll Free: 877-929-7280 
Text, Int., & Local: +1 231-714-4177 
Fax: 231-237-4037


---------- Forwarded message ----------
From: Sales008 <sales008@twzcbearings.com>
Date: Tue, Dec 26, 2017 at 10:34 PM
Subject: Re: from Victoria (Liaocheng lanluo bearing factory )
To: admin <admin@mibearings.com>


Dear sir
Good day!
This is Victoria from Liaocheng lanluo bearing factory  of China .
We know you and your company from your websit.
Our factory the mainly product is SRB AND TRB .and have been export to Your counrty markets with very competitive advantages price and
quality more than 6 years .If posssible ,you can ask me for the factory photos ,it's will be help you to know more about us .
At present ,as you know ,the China are experiencing major changes and major readjustments ,some samll factory have been eliminated.
Because all raw material price keep rising ,so bearing price higher than before.
Welcome to your inquiry ,we are happy to quote price for reference.
Your reply will be much appreciated.
Thanks and beast wishes .





TWZC            Mrs.Victoria             
Tel: 0086-635-2310052         Fax: 0086-635-2812245      Web:www.twzcbearings.com
 Whatsapp:+86 150 317 59968  Skype:+ 86 180 6354 3257   
LIAOCHENG LANLUO BEARING MANUFACTURE CO.,LTD.
 ADD:YANXINGYUAN VILLAGE.TANGYUAN AREA.LINQING.SHANGDONG.

Wednesday, December 27, 2017

4th round of China Pollution Crackdown = New round of China Commodity Price Up

Industry experts predict in recent days will start new round of China commodity price up due to China Pollution Crackdown.
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New Round of China Pollution Crackdown, and Commodity Price Up

China has implemented an unprecedented pollution crackdown in recent months as the country shuts down tens of thousands of factories. The effort is part of a national effort to address China's infamous pollution and has affected wide swaths of China's manufacturing sector.
 
In total, it is estimated that 40 percent of all China's factories have been shut down at some point in order to be inspected by environmental bureau officials. As a result of these inspections over 80,000 factories have been hit with fines and criminal offenses as a result of their emissions.
 
"It had a big impact on our business," says the boss of a bearing factory in Cixi. "We couldn't make the delivery date since we [were] shut down. It's not just our factory. All the factories out here had this issue."
 
This is happening across the whole country: Entire industrial regions of China are being temporarily shut down, and the unusual sight of blue skies is reappearing as environmental inspectors go about their work. After decades of doing little about the pollution that has plagued much of the country, China's government may be finally getting serious about enforcing its environmental laws. The government is sending inspectors to go into factories for surprise inspections. They're instituting daily fines, and sometimes — in the real severe cases — criminal enforcement. People are getting put in jail.
 
Recently, the 4th round of China Pollution Crackdown is to start mainly from northern China, like Hebei, Liaoning, Henan, Shandong & etc. In short term it is supposed to extend to Zhejiang & Jiangsu provinces. Plus steel plants have shut down nearly 50% production to ensure central heating during whole winter in northern China according to the requirement of China's Ministry of Environment. Industry experts are predicting new round of price up is coming in recent days:

1.     Steel price is going up again.

2.     Rising gas price leads to forging factories or other factories those using gas as fuel adding cost.

3.     Ten of thousands of surface-finishing factories are forced to shut down, like zinc plating plants, seriously impacts on market price & delivery accuracy.

4.     Following the market trends, the price of accessories & spare parts is supposed to be adjusted.

In Edison Chan’s words, who became a hot topic because of his speech in New York University, “Everything has to be good on an international level and only then will we be able to stand proudly and say ‘this is Chinese made’.” The pollution crackdown is not only a risk, but also an opportunity for people in this industry to recognize poor factories, to improve product quality, to gain bigger market shares, to become part of international level.

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Tuesday, December 26, 2017

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