China Good quality CZPT Ball Screw Support Bearing 7602020tvp-dB-2RS-P4 Thrust Angular Contact Ball Bearings with high quality

Product Description

Product Description

Bearing No. 7657120-TVP-2RS-Thrust Angular contact ball bearing

·Dimensions: 20x47x14mm
·Rubber seal on both sides
·1-TVP-2RS, BSA204C, 765714TN-2RZ
Clearance: C0
Vibration: ZV2,ZV3
Precision Class: P5,P4, ABEC-5, ABEC-7
Application: screw support 



Bearing Number Boundary dimensions(mm) Load Rating(KN) Limiting Speed(rpm) Friction Torque Weight(kg)
d D B rmin Cr Cor Grease
7657112-TVP 12 32 10 0.6  12200  20700  8000 15 0.042 
7657115-TVP 15 35 11 0.6  13100  24700  6700 20 0.052 
7657117-TVP 17 40 12 0.6  17200  32500  6000 30 0.074 
7657120-TVP 20 47 14 1.0  19100  38000  5000 50 0.139 
BSB571047-T 47 15 1.0  20800  43000  5600 50 0.130 
765711-TVP 52 15 1.1  25500  53000  4500 60 0.170 
7657125-TVP 25 52 15 1.0  23200  50000  4500 65 0.147 
BSB571062-T 62 15 1.0  29500  68000  4300 85 0.240 
76 0571 1-TVP 62 17 1.1  29500  68000  3800 85 0.275 
BSB030062-T 30 62 15 1.0  27500  66000  4200 85 0.220 
7657130-TVP 62 16 1.0  27500  66000  3800 85 0.232 
7603030-TVP 72 19 1.1  36500  89000  3200 130 0.409 
BSB 0571 72-T 35 72 15 1.0  31500  81000  3700 115 0.300 
7657135-TVP 72 17 1.1  31500  81000  3200 115 0.339 
7603035-TVP 80 21 1.5  38000  100000  3000 170 0.546 
BSB040072-T 40 72 15 1.0  29500  82000  3500 115 0.260 
7657140-TVP 80 18 1.1  39000  106000  2800 170 0.418 
BSB040090-T 90 20 1.5  52000  138000  3100 225 0.650 
7603040-TVP 90 23 1.5  52000  138000  2600 225 0.751 
BSB045075-T 45 75 15 1.0  30000  85000  3300 130 0.260 
7657145-TVP 85 19 1.1  39500  111000  2600 190 0.488 
BSB57100-T 100 20 1.5  62000  172000  2700 300 0.810 
7603045-TVP 100 25 1.5  62000  172000  2200 300 0.992 
7657150-TVP 50 90 20 1.1  41000  122000  2400 230 0.557 
BSB 0571 10-T 100 20 1.5  62000  172000  2700 330 0.750 
7603050-TVP 110 27 2.0  72000  203000  2000 360 1.290 



Company Profile

Established in 1995, as a leading ball bearing manufacturer in China, HXB offers more than 1,000 kinds of ball bearing to fulfill our customers’ needs. With excellent production team and technical team, we can supply high quality products consistently.
After more than 20 years of development, HXB’s main products involves deep groove ball bearings, angular contact ball bearings, high precision spindle bearings, etc. Our bearings are wildly used in electric motors, machinery tool spindle, CNC, NEVs and other fields.

Our production capacity:

deep groove ball bearings: 34 production lines, 30,000,000pcs per year
Angular contact ball bearings: 14 production lines 3,000,000pcs per year
Application fields: electric motors, pumps, textile machine, household appliance,machine tool spindle, CNC machine, healthcare industry, intelligence manufacturing etc.
Certificate: ISO16949:2016, ISO9001:2015

Contact Angle: 60°
Aligning: Non-Aligning Bearing
Separated: Unseparated
Rows Number: Single
Load Direction: Radial Bearing
Material: Bearing Steel
US$ 13/Piece
1 Piece(Min.Order)

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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.


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.


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.


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.


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.


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 Good quality CZPT Ball Screw Support Bearing 7602020tvp-dB-2RS-P4 Thrust Angular Contact Ball Bearings   with high qualityChina Good quality CZPT Ball Screw Support Bearing 7602020tvp-dB-2RS-P4 Thrust Angular Contact Ball Bearings   with high quality
editor by CX


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