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High Quality Imported Nylon Bag Glue Roller Bearings -CNY 10

Publish Date: 11-01-2017 17:41:31 | Contact name: JianchongHu | Location: Chinautla | Place: Jianshan village,Henghe town in Cixi,ningbo city, Zhejiang province | 2 times displayed |



High quality imported nylon bag glue roller bearingsQuick DetailsStructure:Deep GrooveType:Ball, double flange steel ball bearingBrand Name:HANQIBore Size:2 - 15 mmOutside Diameter:5 - 28 mmModel Number:320708Precision Rating:ABEC-1, 3, 5, 7, 9Seals Type:OPEN ZZ 2RS RSZ LLU LLBNumber of Row:Single RowPlace of Origin:Cixi, China (Mainland)Material:Gcr15Retainers (Cages):Metal Crown/ Ribbon & Nylon Crown & Phenolic Crown & Full ComplementClosures:Shields(ZZ) & Contact Seals(2RS) & Non-contact Seals(2RU)Internal Clearance:Radial Play & Axial Play with C0, C2, C3, C4, C5Maximum Speed:reduction of approximately 20 percentTolerances:Abec1 then upwards to Abec3, Abec5 and Abec7Noise and Vibration:Velocity: Z1, Z2, Z3, Z4 & Acceleration: V1, V2, V3, V4Lubrication:Oils, Greases, DryPackaging & DeliveryPackaging Details:Packaging Detail: Plastic Tube + Carton + Wooden Pallet; Plastic bag + Single paper box + Carton + Wooden Pallet for High performance Double Flange Bearing Water Resistant Flange Ball BearingDelivery Detail:Shipped in 45 days after paymentWhy Choose us?Hard to find Bearings, we can help!1.We are China Leading Ball Bearing Manufacturer .2.Alibaba Assessed Gold Supplier.3.Inspected by the Inspection Institution of Bureau Veritas Certification.4.100% QC inspection Before Shipment.5.Best Quality & Best Service with Competitive price .6.No Non-standard Bearings - Any requirement for non-standard bearings easily fulfilled due to its vast knowledge & links in the industry.7.Quick Delivery- Provides just-in-time delivery with its streamlined supply chain.8.Cost Saving- Provides long-life, shock-resistant & high reliability bearings with better performance.9.Index of double flange steel ball bearing.FAQQ1: Are the rolling element bearings RoHS compliant?A1: All of rolling element bearings are RoHS compliant. RoHS stands for the Restriction of Hazardous Substances directive adopted by the European Union (EU) and took effect in July ( 2006).Q2: How do I get a copy ISO 9001:2008 certification?A2: Just ask for the most up-to-date ISO 9001 certificate! Contact us either by phone at or contact us via email form.Q3: Can bearings be refurbished?A3:  Generally speaking, for small bearings it is uneconomical to attempt to refurbish a bearing product. However, for larger  size bearings (6 inch bore and above) there potentially could be economic gains.Q4:  What's the difference between bearing seals and shields?A4:  Seals and shields are both in place to keep contaminants out of a bearing. In order of effectiveness, the enclosures that  are offered are as follows: metal shields, rubber non-contact seals, Teflon non-contact seals, and rubber contact seals. Not  surprisingly, as the sealing performance is increased, the torque required to turn the bearing will also increase due to the increased friction caused by the seal/shield. The application's condition and life requirements are important to know to  determine the best shield or seal choice.Q5: What are ABEC ratings?A5:  The ABEC scale is an industry accepted standard for the tolerances of a ball bearing. It was developed by the Annular  Bearing Engineering Committee (ABEC) of the American Bearing Manufacturers Association (ABMA). There are five classes, going  from widest tolerances to tightest: 1, 3, 5, 7, and 9. Higher ABEC classes provide better precision, efficiency, and greater speed capabilities, but do not necessarily mean that the bearing can spin faster. Additionally, the ABEC rating doesnot specify many other critical factors, such as smoothness of the rolling contact surfaces, ball precision, and material quality.Q6: Does a higher ABEC rating mean a quieter bearing?A6:  While there may be a loose correlation between ABEC precision ratings and noise, higher ABEC ratings to not always mean a  quieter bearing. ABEC ratings do not specify many other critical factors, such as smoothness of the rolling contact surfaces , ball precision, and material quality all which may affect noise.Q7: How can I ensure I select the right bearing for my application?A7: We  strongly suggests that you contact one of our bearing application engineers at the time you select your design  specifications. We offers an experienced sales and engineering staff to help in the design and selection process,  maximizing performance, and ensuring your success.Q8: What are "precision" versus "high-precision" ball bearings?A8:  "Precision" and "high-precision" are generic bearing terms; however, there is no official definition for either in the  bearing industry. Generally speaking, "precision" ball bearings comply with ABEC-1 and ABEC-3 tolerances while  "high-precision" ball bearings comply with ABEC-5, ABEC-7, or ABEC-9 tolerances.Q9: Bearing Shelf Life - What is the shelf life of a bearing?A9:  The most important factor for determining the shelf life of a "properly stored" bearing is the lubrication. Greases and  oils do have shelf lives (expiration dates).Q10: What bearing grease is the "best?"A10:  The selection of the best bearing lubricant (whether grease or oil) will depend on the application conditions. With a wide variety of greases and oils available, solutions are available for most applications; however, there is no perfect grease whether natural, synthetic, micro-filtered or otherwise.Q11: Does NPBearings offer custom or made-to-order bearings?A11: NP Bearings has the ability to have many types of specialty bearings (not listed in our catalog) manufactured to your   specifications. For more information, please visit our web page regarding Special Dimension Bearings and Custom Bearings.Q12: Will a stainless steel bearing protect against rust?A12:  Stainless steel is not rust proof, it is "corrosion resistant" and will rust in corrosive environments over time. However,  stainless steel will corrode at a much slower rate than chrome alloy steel. But it is not a simple as that.Q13: How fast can a bearing rotate?A13: NPBe arings offers bearings that are capable of rotation in excess of 500,000 RPM. These are typically used in experimental and defense applications.Q14: How is bearing material hardness measured?A14:  There are several standard scales for measuring a material's hardness including Rockwell, Brinell, Vickers, and Shore. For bearings, the Rockwell scale is predominantly used. However, even within the Rockwell Hardness Test, there are several  different scales used to specify the hardness of different materials.Q15: What are flanged ball bearings?A15:  Many ball bearings have flanges as options to their configurations. The flange is designed aid in mounting and positioning. This is especially true for miniature and instrument bearings but applies to other ball bearing types.

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