Type: BALL
Structure: Deep Groove
Applicable Industries: Internal combustion engine, Transportation vehicles, Agricultural machinery, Construction machinery
Bore Size: 35 – 40 mm
Model Number: CZPT 6308
Precision Rating: p0,p2,p4,p6
Seals Type: rubber seal,metal seal,open without seal
Number of Row: Single row
Product name: Deep Grove Ball Bearing
Material: Steel
Application: Internal combustion engine
Feature: Long Life
Size: 40*90*23mm
Cage: Steel Cage
Service: OEM Customized Services
Package: Original Package
Brand: NSK
Model: CZPT 6308
Packaging Details: Plastic bag + single box packing + carton box + pallets
Port: HangZhou

Product introduction:Deep groove ball bearings (GB/T 276-2003), formerly known as single-row centripetal ball bearings, are the most widely used rolling bearings. It is characterized by small friction resistance, high speed, can be used to bear radial load or radial and axial combined load at the same time on the machinery, can also be used to bear axial load on the machinery, such as small power motors, automobile and tractor gearboxes, machine tool gearboxes, general machinery, tools and so on.The basic parameters:Deep groove ball bearing is the most common type of rolling bearing.The basic type of deep groove ball bearing consists of an outer ring, an inner ring, a group of steel balls and a group of cages. There are 2 types of deep groove ball bearings: single row and double row. Deep groove ball structure is also divided into sealed and open structure. Open type means that the bearing does not have a sealed structure. The dustproof seal cover is made of steel sheet stamping, which only plays a simple role in preventing dust from entering the bearing raceway. Oil-proof type is contact oil seal, which can effectively prevent grease spillover in the bearing.Single row deep groove ball bearing type code is 6, double row deep groove ball bearing code is 4. Its structure is simple, easy to use, is the production of the most common, the most widely used kind of bearings.Use the application:Deep groove ball bearings can be used in gearboxes, instruments and meters, motors, household appliances, internal combustion engines, traffic vehicles, agricultural machinery, construction machinery, engineering machinery, roller type roller skates, yo-yo, etc. Deep Groove Ball Bearing Model

Principal dimensionsBasic load ratingsFatigue load limitSpeed ratingsDesignations
dynamicstaticReference speedLimiting speedBearingSnap ring
40902342.3241.0217000110006308 N
40902342.3241.0217000110006308 NRSP 90
40902342.3241.0217000110006308-ZNRSP 90
Applicable IndustriesInternal combustion engine, Transportation vehicles, Agricultural machinery, Construction machinery
Bore Size35mm – 40mm
Model NumberNSK 6308
Precision Ratingp0,p2,p4,p6
Seals Typerubber seal,metal seal,open without seal
Number of RowSingle Row
Place of OriginJapan
Product nameDeep Grove Ball Bearing
ApplicationInternal combustion engine
FeatureLong Life
CageSteel Cage
ServiceOEM Customized Services
PackageOriginal Package
ModelNSK 6308
More Products Company Profile ZheJiang huafeibearing co.,LTD. With industry and trade as one, specialized in bearing design,research and development, production, sales. Own import and export righet, and passed GB/ T19001-2016/ISO9001:2015 qualit management systemcertification.Specializing in the production of automotive hub bearings tapered roller bearings, deep groove ball bearings,spherical bearings and various non-standard bearings,can be customized according to customer drawings, samples,OEM processing production services.OEM processing production services. The company has advanced production equipment, with strong technical force,high-quality staff team, optimize product design, improve processing technology, strictly in accordance with international standards to control the quality of products,so that our products have reached the domestic advanced level, at the same time, our brand “SHJZ” has been designated as adesignated supplier by many foreign customers. The company adheres to the business philosophy of “customer-oriented, CZPT managnment continuousimprovement”, and adopts the enterprise standard higher than the national standard for production. Packing & Delivery Payment termsA.T/TB.D/PC.D/AD.PaypalE.Western unionPackageA.tube package + outer carton + palletsB.single box + outer carton + palletsC.tube package + middle box + outer carton + palletsD.According to your request. FAQ 1.Are you trading company other manufacturer ? We are factory.2.How long is your delivery time? Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to quantity. 3.Do you provide samples ? is it free or extra ?Yes, we could offer the sample for free charge.4.You provide free consultation service? Yes, before, during and after order, anytime. 5.Why should I choose your products? Our products are high quality and low price.

Industrial applications of casing

For rotating and sliding parts, bushings are an important part of the machine. Due to their anti-friction properties and load-carrying capacity, they are an important part of many different industrial processes. Bushings play a vital role in industries such as construction, mining, hydropower, agriculture, transportation, food processing and material handling. To learn more about the benefits of bushings, read on. You’ll be amazed how much they can help your business!


When comparing enclosure types, consider the material and how it will be used. Oilite bushings are made of porous material that draws lubricant into the liner and releases it when pressure is applied. These are manufactured using a sintered or powered metal process. Copper and tin are the most commonly used materials for making copper bushings, but there are other types of metal bushings as well.
Another popular type is the plain bearing. This type reduces friction between the rotating shaft and the stationary support element. This type provides support and load bearing while relying on soft metal or plastic for lubrication. Journal bearings are used to support the linear motion of the engine crankshaft in large turbines. They are usually babbitt or hydrodynamic with a liquid film lubricant between the two halves.
The oil-impregnated paper sleeve is made of high-quality kraft insulating paper. These bushings contain two layers of capacitor grading, with the innermost layer electrically connected to the mounting flange. These are mature processes and are widely used in different voltage levels. CZPT Electric (Group) Co., Ltd. provides UHV DC and AC oil-impregnated paper wall bushings for environmental control rooms.
Electrical bushings are used to transmit electricity. These can be transformers, circuit breakers, shunt reactors and power capacitors. The bushing can be built into the bushing or through the bushing. The conductors must be able to carry the rated current without overheating the adjacent insulation. A typical bushing design has a conductor made of copper or aluminum with insulation on all other sides. If the bushing is used in a circuit, the insulation needs to be high enough to prevent any leakage paths.
Voltage and current ratings of electrical bushings. Solid type electrical bushings typically have a center conductor and a porcelain or epoxy insulator. These bushings are used in small distribution transformers and large generator step-up transformers. Their test voltage is typically around 70 kV. Subsequent applications of this bushing may require a lower halfway release limit. However, this is a common type for many other applications.


Various industrial applications involve the use of casing. It is an excellent mechanical and chemical material with a wide range of properties. These compounds are also packaged according to national and international standards. Therefore, bushings are used in many different types of machines and equipment. This article will focus on the main industrial applications of casing. This article will also explain what a casing is and what it can do. For more information, click here. Casing application
Among other uses, bushing assemblies are used in aircraft and machinery. For example, a fuel tank of an aircraft may include baffle isolator 40 . The bushing assembly 16 serves as an interface to the fuel tank, allowing electrical current to flow. It can also be used to isolate one component from another. In some cases, bushing assemblies are used to provide a tight fit and reduce electrical resistance, which is important in circuits.
The benefits of casing go beyond reducing energy transmission. They reduce lubrication costs. If two metal parts are in direct contact, lubrication is required. Thus, the bushing reduces the need for lubrication. They also allow parts of the car to move freely. For example, rubber bushings may begin to deteriorate due to high internal temperatures or cold weather. Also, oil can affect their performance.
For example, bushing CTs in oil and gas circuit breakers are used as window current transformers. It consists of a toroidal core and secondary windings. The center conductor of the bushing acts as the single-turn primary of the BCT. By tapping the secondary winding, the ratio between primary and secondary can be changed. This information can be found on the asset nameplate.
Among other uses, bushings are used in diagnostic equipment. These components require precise positioning. Fortunately, air sleeves are perfect for this purpose. Their frictionless operation eliminates the possibility of misalignment. In addition, products based on porous media help minimize noise. A casing manufacturer can advise you on the best product for your equipment. Therefore, if you are looking for replacement bushings for your existing equipment, please feel free to contact Daikin.


Dry ferrule cores were selected for study and examined under an Olympus polarizing microscope (BX51-P). Core slices showing layers of aluminum foil with a distance of approximately 2 cm between adjacent capacitor screens. The aluminum foil surface has a multi-layered structure with undulations due to shrinkage and crepe. Differences between the two types of foils are also revealed.
A typical metal bushing material consists of a high-strength metal backing and a solid lubricant. These materials have higher load-carrying capacity and low friction during operation. Additionally, they are precision machined to tight tolerances. They also offer better thermal conductivity and better fatigue resistance. The accuracy of the metal bushing is improved due to the re-machining process that takes place after the bearing is assembled. Additionally, metal bushing materials are more resistant to wear than plastic bushing materials.
Plastic bushings are relatively inexpensive and readily available off the shelf. Also, the price of custom plastic bushings is relatively low. However, they are not recommended for heavy duty applications. Plastics degrade under high loads and can damage mating parts. Also, if the plastic bushings are not manufactured accurately, they can become misaligned. These are just some of the reasons for choosing metal bushings over plastic.
A mechanically bonded bushing 40 is placed over the stabilizer bar and compressed into the outer sleeve/bracket assembly. The outer metal member includes slotted holes that compensate for the tolerance stacking between the first and second bushing assemblies. Pre-assembly allows the assembly plant to receive a complete assembly ready for vehicle assembly, rather than sub-assembly at the vehicle manufacturing plant.


Control arm bushings are a major component of modern vehicle suspension systems. Damaged bushings can negatively affect the handling and performance of your car. Replacing bushings on a car can cost $200 to $500. While that’s pretty cheap for a handful of control bushings, replacing the entire suspension system could set you back over $1,200. Thankfully, if you want to repair or replace the bushing yourself, you can do it yourself for a fraction of the cost.
If you decide to replace the control arm bushing yourself, it’s best to shop around for the best price. Many auto parts stores offer cheaper bushings that you don’t have to spend a fortune on. Even if you don’t drive for years, rubber can degrade and create cracks in the material. These cracks can be as deep as three-eighths of an inch. This makes it dangerous to drive a car with damaged control arm bushings.
Hiring a mechanic might be a good idea if you don’t like doing the work yourself. You can save money and time by repairing the control arm yourself, but you may have to hire a mechanic to do the job. Replacing the front sway bar bushing alone can cost between $450 and $900. While these components are relatively inexpensive, you can replace them for a better-handling car.
In some cases, sizing the bushings is a more economical option, but if you want to replace your entire suspension system, it’s better to buy a brand new lower limit. You can even save labor by buying a replacement part fork with a good lower portion. In addition to improving your car’s handling and ride, new bushings will add to your car’s overall value. If you are not sure which parts you need, ask your mechanic for a quote.
While the cost of replacing control arm bushings is relatively low, it’s a good idea to compare quotes from multiple mechanics. By getting multiple quotes for the same repair, you can save as much as $50 to $100 on the total cost of your car. In addition to labor costs, parts and labor can vary, so shop around to find the mechanic best suited for your car. There’s no reason to settle for sub-par service when you can save $50 or more!

China High Performance Japan NSK 6308 Deep Groove Ball Bearing     wheel bearingChina High Performance Japan NSK 6308 Deep Groove Ball Bearing     wheel bearing
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