Item Description

NACHI Deep Groove Ball Bearing 6204 Made in Japan

1. Instruction of Deep Groove Ball Bearings:
Deep groove ball bearings are the most common type of rolling bearings. Their use is very widespread. The raceway grooves on both the inner and outer rings have circular arcs of slightly larger radius than that of the balls. In addition to radial loads, axial loads can be imposed in either direction. Because of their low torque, they are highly suitable for applications where high speeds and low power loss are required.  
In addition to open type bearings, these bearings often have steel shields or rubber seals installed on one or both sides and are prelubricated with grease. Also, snap rings are sometimes used on the periphery. As to cages, pressed steel ones are the most common.
 
2. Features of Deep Groove Ball Bearings:
Shield / closure: Open ball bearing, Z, ZZ, RS, 2RS, 2RZ
 
Ball bearings snap ring: N, NR
 
Tolerance: ABEC-1, ABEC-3, ABEC-5, ABEC-7
 
Vibration level: V4, V3, V2, V1
 
Radial play: C0, C2, C3, C4
 
Materials: GCR15
 
3. Versions of Deep Groove Ball Bearings:
With one or two side rubber seal RS, 2RS
 
With one or two side metal shields Z and ZZ (2Z)
 
With a snap ring groove in outer ring N
 
With a snap ring groove in outer ring and external snap ring NR

four. Drawings of Deep Groove Ball Bearing 6204:

five. More Part Number of Deep Groove Ball Bearing 6200 Series:

 

Boundary dimensions(mm) Basic load ratings(kN) Limiting speeds(rpm) Mass(Kg) Bearing Number
d D B rs min Cr Cor Grease (Approx.) TML
20 47 fourteen one twelve.8 6.65 16,000 .106 6204-2RS
twenty forty seven fourteen one 12.8 six.65 sixteen,000 .106 6204-2RSC3
twenty forty seven 14 1 12.eight six.65 eighteen,000 .106 6204-RS
twenty forty seven fourteen 1 twelve.8 6.sixty five 18,000 .106 6204-RSC3
twenty five fifty two fifteen one 14 7.85 thirteen,000 .128 6205-2RS
twenty five fifty two 15 one fourteen seven.85 thirteen,000 .128 6205-2RSC3
twenty five fifty two fifteen one 14 7.eighty five 15,000 .128 6205-RS
twenty five fifty two 15 one fourteen seven.eighty five fifteen,000 .128 6205-RSC3
30 62 sixteen one 19.five eleven.3 eleven,000 .199 6206-2RS
30 sixty two 16 one 19.five 11.three 11,000 .199 6206-2RSC3
30 sixty two sixteen one 19.5 11.three 13,000 .199 6206-RS
30 62 sixteen one 19.five eleven.three thirteen,000 .199 6206-RSC3
35 seventy two seventeen one.one twenty five.seven fifteen.three 9,800 .288 6207-2RS
35 72 17 1.1 twenty five.seven 15.3 nine,800 .288 6207-2RSC3
35 72 seventeen one.one 25.seven fifteen.3 11,000 .288 6207-RS
35 seventy two 17 1.one 25.7 fifteen.3 11,000 .288 6207-RSC3
40 80 18 one.one 29.one seventeen.eight eight,700 .366 6208-2RS
forty eighty eighteen one.one 29.one 17.eight eight,700 .366 6208-2RSC3
40 eighty eighteen one.one 29.one seventeen.8 ten,000 .366 6208-RS
40 80 18 one.1 29.one seventeen.eight ten,000 .366 6208-RSC3

6. One More Image of CZPT Deep Groove Ball Bearing 6204:

7. About US

We are the bearing manufacture local in HangZhou City, we are the leading bearing factory in China, and we have 15 years export experience. And our produce equipment are import from Germany, so that our bearings quality level has reached in Europe quality. Our own brand is : ” DEMEK”, also we are usually to help our clients to do the OEM service and customized non-standard bearings. Welcome to send us the inquiry.

eight. Our Make contact with Information:

 

US $1
/ Piece
|
1 Piece

(Min. Order)

###

Separated: Unseparated
Load Direction: Radial Bearing
Material: Bearing Steel
Delivery Time: in Stock
Inner Diameter: 20 mm
Outer Diameter: 47 mm

###

Samples:
US$ 1/Piece
1 Piece(Min.Order)

|
Request Sample

###

Customization:

###

Boundary dimensions(mm) Basic load ratings(kN) Limiting speeds(rpm) Mass(Kg) Bearing Number
d D B rs min Cr Cor Grease (Approx.) TML
20 47 14 1 12.8 6.65 16,000 0.106 6204-2RS
20 47 14 1 12.8 6.65 16,000 0.106 6204-2RSC3
20 47 14 1 12.8 6.65 18,000 0.106 6204-RS
20 47 14 1 12.8 6.65 18,000 0.106 6204-RSC3
25 52 15 1 14 7.85 13,000 0.128 6205-2RS
25 52 15 1 14 7.85 13,000 0.128 6205-2RSC3
25 52 15 1 14 7.85 15,000 0.128 6205-RS
25 52 15 1 14 7.85 15,000 0.128 6205-RSC3
30 62 16 1 19.5 11.3 11,000 0.199 6206-2RS
30 62 16 1 19.5 11.3 11,000 0.199 6206-2RSC3
30 62 16 1 19.5 11.3 13,000 0.199 6206-RS
30 62 16 1 19.5 11.3 13,000 0.199 6206-RSC3
35 72 17 1.1 25.7 15.3 9,800 0.288 6207-2RS
35 72 17 1.1 25.7 15.3 9,800 0.288 6207-2RSC3
35 72 17 1.1 25.7 15.3 11,000 0.288 6207-RS
35 72 17 1.1 25.7 15.3 11,000 0.288 6207-RSC3
40 80 18 1.1 29.1 17.8 8,700 0.366 6208-2RS
40 80 18 1.1 29.1 17.8 8,700 0.366 6208-2RSC3
40 80 18 1.1 29.1 17.8 10,000 0.366 6208-RS
40 80 18 1.1 29.1 17.8 10,000 0.366 6208-RSC3
US $1
/ Piece
|
1 Piece

(Min. Order)

###

Separated: Unseparated
Load Direction: Radial Bearing
Material: Bearing Steel
Delivery Time: in Stock
Inner Diameter: 20 mm
Outer Diameter: 47 mm

###

Samples:
US$ 1/Piece
1 Piece(Min.Order)

|
Request Sample

###

Customization:

###

Boundary dimensions(mm) Basic load ratings(kN) Limiting speeds(rpm) Mass(Kg) Bearing Number
d D B rs min Cr Cor Grease (Approx.) TML
20 47 14 1 12.8 6.65 16,000 0.106 6204-2RS
20 47 14 1 12.8 6.65 16,000 0.106 6204-2RSC3
20 47 14 1 12.8 6.65 18,000 0.106 6204-RS
20 47 14 1 12.8 6.65 18,000 0.106 6204-RSC3
25 52 15 1 14 7.85 13,000 0.128 6205-2RS
25 52 15 1 14 7.85 13,000 0.128 6205-2RSC3
25 52 15 1 14 7.85 15,000 0.128 6205-RS
25 52 15 1 14 7.85 15,000 0.128 6205-RSC3
30 62 16 1 19.5 11.3 11,000 0.199 6206-2RS
30 62 16 1 19.5 11.3 11,000 0.199 6206-2RSC3
30 62 16 1 19.5 11.3 13,000 0.199 6206-RS
30 62 16 1 19.5 11.3 13,000 0.199 6206-RSC3
35 72 17 1.1 25.7 15.3 9,800 0.288 6207-2RS
35 72 17 1.1 25.7 15.3 9,800 0.288 6207-2RSC3
35 72 17 1.1 25.7 15.3 11,000 0.288 6207-RS
35 72 17 1.1 25.7 15.3 11,000 0.288 6207-RSC3
40 80 18 1.1 29.1 17.8 8,700 0.366 6208-2RS
40 80 18 1.1 29.1 17.8 8,700 0.366 6208-2RSC3
40 80 18 1.1 29.1 17.8 10,000 0.366 6208-RS
40 80 18 1.1 29.1 17.8 10,000 0.366 6208-RSC3

What is the purpose of the bushing?

If you notice the truck making noises when cornering, the bushings may be worn. You may need to replace the ball joint or stabilizer bar, but a simple inspection will reveal that the noise is coming from the bushing. The noise from a worn bushing on a metal joint can mimic the sound of other problems in the suspension, such as a loose stabilizer bar or a failed ball joint.
bushing

Function

What is the purpose of the bushing? They play an important role in the operation of various mechanical parts. Their main functions include reducing the clearance between the shaft and the bearing and reducing the leakage of the valve. Bushings are used in different ways to ensure smooth operation and longevity. However, some new designers don’t appreciate the functionality of the case. So let’s discuss these features. Some of their most common applications are listed below.
First, the shell does a lot of things. They reduce noise, control vibration, and provide amazing protection for all kinds of industrial equipment. Large industrial equipment faces more wear, vibration and noise, which can render it completely inoperable. Bushings help prevent this by reducing noise and vibration. Bushing sets also extend equipment life and improve its performance. Therefore, you should not underestimate the importance of the casing in your device.
Another common function of bushings is to support components during assembly. In other words, the bushing reduces the risk of machine wear. In addition to this, they are superior to bearings, which are notoriously expensive to maintain. However, they are still useful, and their versatility cannot be overemphasized. If you’re considering installing one, you’ll be glad you did! These products have become a necessity in the modern industrial world. If you’re wondering how to choose one, here are some of the most common bushing uses.
Electrical bushings are an important part of many electrical equipment. They carry high voltage currents through the enclosure and provide an insulating barrier between live conductors and metal bodies at ground potential. They are made of a central conductive rod (usually copper or aluminum) and surrounding insulators made of composite resin silicone rubber. Additionally, the bushings are made of various materials. Whether copper, aluminum or plastic, they are an important part of many types of electrical equipment.

type

There are several different types of bushings on the market today. They may be cheap but they are of good quality. These products can be used in telephones, cable television, computer data lines and alarm systems. The key to buying these products online is finding the right appliance store and choosing a high-quality product. An online appliance store should have comprehensive information and ease of use. For the right electrical bushing, you should look for reliable online stores with the best prices and high quality products.
Capacitive grading bushings use conductive foils inserted into paper to stabilize the electric field and balance the internal energy of the bushing. The conductive foil acts as a capacitive element, connecting the high voltage conductor to ground. These types of bushings are sometimes referred to as capacitor grade bushings. Capacitive grading bushings are usually made of paper impregnated with epoxy resin or mineral oil.
When buying enclosures, you should know how they are used. Unlike ball bearings, bushings should be stored upright so that they are in the correct working position. This is because horizontal placement can cause air bubbles to form in the fill insulation. It is also important to store the bushing properly to prevent damage. The wrong way to store these components can result in costly repairs.
In addition to the physical structure, the bushing insulation must also be effective over the long term. It must resist partial discharge and working electric field stress. The material and design of the bushing can vary widely. Early on, porcelain-based materials were popular in bushing designs. Porcelain was chosen because of its low cost of production and very low linear expansion. Ceramic bushings, on the other hand, require a lot of metal fittings and flexible seals.
bushing

Durability

The RIG 3 Bushing Durability Test Standard simulates real-world service conditions for automotive bushings. This three-channel test standard varies casing loads and stresses by applying a range of different load conditions and various control factors. This test is critical to the durability of the case, as it accurately reproduces the dynamic loads that occur during normal use. This test is a key component of the automotive industry and is widely used in many industries.
The Advanced Casing Model has five modules to address asymmetry, nonlinearity, and hysteresis. This model also represents the CZPT lag model. The model can be parameterized in the time domain using MATLAB, and the results can be exported to other simulation software. The developed bushing model is a key component in the durability and performance of vehicle suspension components.
A conductive material is coated on the inner surface of the sleeve. The coating is chosen to conduct a certain amount of current. The conductive path extends from the blade spacer 126 to the sleeve projecting edge 204 and then through the housing 62 to the ground. The coating is made of a low friction material and acts as a wear surface against the bushing sidewall 212 and the housing 62 .
Another important factor in a bushing’s durability is its ability to friction. The higher the operating speed, the greater the load on the bushing. Since bushings are designed for lighter loads and slower speeds, they cannot handle large loads at high speeds. The P-max or V-max value of a bushing is its maximum load or speed at 0 rpm. The PV value must be lower than the manufacturer’s PV value.

price

If you need to replace the bushing on the control arm, you should understand the cost involved. This repair can be expensive, depending on the make and model of your car. Generally, you should pay between $105 and $180 for a replacement. However, you can choose to have it done by a mechanic at a lower cost. The labor cost for this job can be around $160, depending on your automaker.
The cost of replacing the control arm bushings can range from $200 on the low end to $500 on a luxury car. While parts are cheap, labor costs are the highest. Mechanics had to remove suspension and wheel assemblies to replace bushings. If you have some mechanical knowledge, you can replace the bushing yourself. Control arm bushings on the wheel side are usually about $20 each. Still, if you’re not a mechanic, you can save money by doing it yourself.
bushing

Install

Press-fit bushings are installed using a retaining ring with a diameter 0.3/0.4 mm larger than the inner diameter of the bushing. To ensure accurate installation, use a mechanically driven, pneumatic or hydraulic drill and insert the bushing into the appropriate hole. This process is best done using mounting holes with drilled holes for the clamps. Make sure the mounting hole is in the center of the bushing and free of debris.
Once the bushing is positioned, use a vise to install its nut. A cold bushing will compress and fit the shell better. Place the sleeve in the refrigerator for at least 24 hours to aid installation. After removing the bushing from the refrigerator, make sure it has enough diameter to fit into the enclosure. Next, place the opposite socket into the enclosure and use it as a stand. After a few minutes, the bushing should be fully seated in the housing.
Install the new bushing into the housing hole. If the previous one had a metal case, insert the new one through the taper. Always lubricate the inner and outer surfaces of the bushing. Then, apply pressure to the inner metal sleeve of the new bushing. You may notice that the new bushing does not exactly match the housing hole. However, that’s okay because the outer diameter of the bushing is larger than the outer diameter of the hub drive.
The installation of the bushing requires the use of the hydraulic unit 16 . Hydraulic unit 16 is located near the #1 journal of the camshaft and extends from #2 to #7. Hydraulic fluid forces piston 22 away from the outer end of cylinder 20 and pushes shaft 14 forward. The shaft is then moved forward, pushing the bushing 17 onto the piston. Multiple bushings can be installed in a single engine.

China NACHI Deep Groove Ball Bearing 6204 Made in Japan     ball bearingChina NACHI Deep Groove Ball Bearing 6204 Made in Japan     ball bearing
editor by czh 2022-12-23