Innovate ZH Bearing,
and Rotate the Peak of Bearing World！
Begins with customer needs ,and finally customer satisfaction.
|Place of Origin:||CHINA|
|Brand Name:||NSK NTN|
|Minimum Order Quantity:||Negotiation|
|Packaging Details:||According to customer requirements|
|Delivery Time:||1-2 work day|
|Payment Terms:||L/C, D/A, T/T, Western Union|
|Supply Ability:||500 PC per day|
|Product Name:||Cylindrical Roller Bearing||Weight:||7.36 Kg|
|Specification:||80*200*48mm||Vibration And Noise:||Z0V0 / Z1V1 / Z2V2 / Z3V3|
|Material:||Chrome Steel Gcr15Package||Precision Rating:||ABEC-1 To ABEC-9|
|Place Of Origin:||Shandong, China||Service:||OEM ODM|
|Lubricate:||Oil Grease||Package:||Original Packing|
cylinder roller bearing,
radial roller bearing
1 . Ptoduct description
2 . Appliance :
automatic transmission mechanism, household motor, motorcycle, electric tools, sports supplies, office appliances
3. Product Description
Bearing clearance means the value of displacement of the unfixed ring when it moves against the fixed ring in radial or axial direction before the bearing is mouted on a shaft or in a housing. According to the movement direction, it falls into radial clearance and axial clearance.
National standard of vibration acceleration (commonly known as Z-standard)
The standard was established earlier, to measure the vibration acceleration value of the bearing when rotating, to determine the quality of the bearing, divided into Z1, Z2, Z3 from low to high quality grade. At present, bearing manufacturers in China are still using the vibration acceleration value to measure the advantages and disadvantages of the bearing, it simply reflects the fatigue life of the bearing.
Vibration velocity standard (commonly known as V standard)
Because the original vibration acceleration standard has not been abolished, so the standard is issued by the ministry of machinery industry standards, is the reference to the European standards combined with the actual situation and needs of our country, to test the bearing vibration speed to determine the quality of the bearing grade (equivalent to the national standard). Divided into V, V1, V2, V3, V4 five quality levels. Various ball bearing quality classes from low to high V, V1, V2, V3, V4; Roll bearings (cylinder, cone) quality grade from low to high for V, V1, V2, V3 four quality grade.
It is used to detect the vibration b velocity of bearing at different frequency segments (low frequency, medium frequency and high frequency) to reflect the bearing quality. It can be generally analyzed whether the bearing has the geometric size problem (such as the steel ring ellipse), the quality problem of raceway/rolling body, the quality problem of the cage, compared with the vibration acceleration to investigate the bearing quality has made a significant improvement. At present, the domestic bearings exported to Europe, the Chinese military and the aerospace industry all carry out bearing quality inspection in accordance with this standard, and at the same time, the quality inspection of European imported bearings and the discrimination of counterfeit imported bearings provide a feasible means.
There are two parallel standards in the bearing quality detection, and the bearings with high quality grade of "z-standard" may not have good quality performance when tested with "v-standard", and there is no correspondence between the two. This in the bearing quality inspection is to pay special attention to.
4 . CONPANY PROFILE
ZhongHong Bearing Manufacturing Co. Ltd is a bearing production, sales - based company,
the company in the industrial field has many years of bearing supporting and industrial service experience.
Types involved: deep groove ball bearings, joint bearings, conical bearings, cylindrical bearings and so on Our products are widely used in machine tools,
coal mine, railway, petroleum printing, power plant, ship, aviation, automobile and other industries
5 . Packaging
1 . Single box packing, then in carton then in Pallet .
2 . Standard export packing .
3 . According customer demand .
Q1: Are you manufacturer or trading company?
A1: We are manufacturer
Q2: Whafs the MOQ?
A2:Usually Your MOQ is around 3000 pcs/color. Contact us for a quotation on
orders under 3000 pieces and we will do whatever we can to accommodate you.
Q3:Can i Get samples?
A3:Of course, we usually provide existing sample for free, however you need to
cover the express charge, and if you have special request then we will charge
you for special arrangement, and this charge is refundable when order is up
to a certain quantity.
Q4: What's the delivery time of your products?
A4: Usually the delivery time is 30 days after confirming order and detail. Delivery
time depending on your purchasing quantity and production season.
Q5: How does your factory do regarding quality control.
A5: Quality is priority, we will do 100% quality inspection before shipment.
Q6: what is your terms of payment?
A6: Normally T/T, but we also accept L/C, PAYPAL.For mass production:
30% deposit before mass production,70% before shipment.
Q7: Can we use our own logo and design ?
A7: Yes, you can. We can follow up your request to put your logo or design on .
For logo file must Al file.
Q8: When can I get the price?
A8: We usually quote within 24 hours after we get your inquiry. If you are very
urgent to get the price, please call us or contact through Trade Manager to
get prompt response. please call us or tell us in your email so that we will
regard your inquiry as top priority
Contact Person: Sarah Lee
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