Product Description

Product Description

 

Types of tapered roller bearing:

single row tapered roller bearing

double row tapered roller bearing

four row tapered roller bearing

tapered roller wheel bearing

inch series tapered roller bearing

Specification: tapered roller bearing 

Series

inch bearing

Roller bearing types

taper roller bearing

Number of row

single row

Cone part number

93750 bearing cone

Cup part number

93125 bearing cup

Cage type

stamped steel

Precision rate

grade p4 p5 p6 p0 abec5

Bearing weight

19.7 Kg

Dimensions:

d – Bore

190.500 mm

D – Cup outer diameter

317.500 mm

B – Cone width

63.500 mm

C – Cup width

46.038 mm

T – Bearing width

63.500 mm

Detailed Photos

tapered roller bearings consist of 4 interdependent components: the cone (inner ring), the cup (outer ring), the tapered rollers (rolling elements) and the cage (roller retainer). Tapered roller bearings are uniquely designed to manage both thrust and radial loads between a rotating and non-rotating member. The steeper the cup angle, the greater the ability of the bearing to handle thrust loads.

Industries:

Aerospace, agriculture, automotive, heavy truck, cement, aggregate, coal, oil and gas, construction, gear drives, machine tools, mining, paper, metals, rail and wind.

Benefits:

Enhanced performance in demanding applications. 

 

MAIN PRODUCTS

Tapered, cylindrical, ball bearings, self-aligning roller bearings, base bearings, car hub bearings, truck hubs, and other products.
We can customize the bearing according to the drawings or samples provided by the customer.

Packaging & Shipping

STHangZhouRD PACKAGING:

Plastic bag + single box + carton + tray;
Industrial packaging + carton + pallet;
We also can According to your requirements change.

 

Company Profile


HangZhou CZPT Trading Co., Ltd
. was founded in August 2014. It is a bearing manufacturer integrating
research, development, and sale of bearings, with a floor area of 18,000 square meters and a plant area of 4,800
square meters. The company has a state-level enterprise technology center and a number of provincial high-tech
enterprises with strong technical strength. our company was honored as a competitive brand in the market.

Equipped with modern production equipment and advanced detection instruments, the company especially
produces Bearings including 3 varieties of spherical roller bearings, namely cylindrical roller bearings,
tapered roller bearings and thrust spherical roller bearings, Automobile Hub Bearing, to replace imported
high-end products.

With the precision of grade P0, grade P6 P5 P4, we bearings are widely used in complete products in metallurgical, mining, petroleum, chemical, coal, cement, papermaking, wind power, heavy machinery, engineering machinery, and port machinery industries. With self-run import & export rights, we sell our products across China and in tens of other countries and areas such as the United States, Canada, Italy, Russia, Germany, and South Africa.

We would like to serve customers around the world with our reliable products, reasonable prices, and attentive service. The leading products of the company cover 3 main categories which include more than 3,000 types of bearing products.

FAQ

1. What is the minimum order quantity for this product?
A: Can be negotiated, and we will try our best to meet customer needs. Our company is mainly based on wholesale sales, most customers’ orders are more than 1 ton.

2. What is your latest delivery time?
A: If the goods are in stock, usually 5-10 days. Or if the goods are not in stock, it is 15-20 days, which is based
on the quantity.

3. Does your company have quality assurance?
A: Yes, for 2 years.

4. What is the competitiveness of your company’s products compared to other companies?
A: High precision, high speed, low noise.

5. What are the advantages of your company’s services compared to other companies?
A: Answer questions online 24 hours a day, reply in a timely manner and provide various documents required
by customers for customs clearance or sales. 100% after-sales service.

6. Which payment method does your company support?
A: 50% deposit, balance payment before delivery.

7. How to contact us quickly?
A: Please send us an inquiry or message and leave your other contact information, such as phone number,
WhatsApp account or WeChat account, we will contact you as soon as possible.
 

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Rolling Body: Roller Bearings
The Number of Rows: Single
Outer Dimension: Small (28-55mm)
Material: Bearing Steel
Spherical: Non-Aligning Bearings
Load Direction: Radial Bearing
Samples:
US$ 0/Piece
1 Piece(Min.Order)

|
Request Sample

Customization:
Available

|

Customized Request

bearing

How to Replace a Bearing

If you want to select a bearing for a specific application, you should know a few basics. This article will give you an overview of ball, angular contact, and sliding-contact bearings. You can choose a bearing according to the application based on the characteristics of its material and preload. If you are not sure how to choose a bearing, try experimenting with it. The next step is to understand the Z-axis, which is the axes along which the bearing moves.

Z axis

When it comes to replacing your Z axis bearing, there are several things you must know. First, you need to make sure that the bearings are seated correctly. Then, you should check the tension and rotation of each one. To ensure that both bearings are equally tensioned, you should flex the Core to the desired angle. This will keep the Z axis perpendicular to the work surface. To do this, first remove the Z axis bearing from its housing and insert it into the Z axis motor plate. Next, insert the flanged bearing into the Z axis motor plate and secure it with two M5x8mm button head cap screws.
Make sure that the bearing plate and the Z Coupler part are flush and have equal spacing. The spacing between the two parts is important, as too much spacing will cause the leadscrew to become tight. The screws should be very loose, with the exception of the ones that engage the nylocks. After installing the bearing, the next step is to start the Z axis. Once this is done, you’ll be able to move it around with a stepper.

Angular contact

Ball bearings are made with angular contacts that result in an angle between the bearing’s races. While the axial load moves in one direction through the bearing, the radial load follows a curved path, tending to separate the races axially. In order to minimize this frictional effect, angular contact bearings are designed with the same contact angle on the inner and outer races. The contact angle must be chosen to match the relative proportions of the axial and radial loads. Generally, a larger contact angle supports a higher axial load, while reducing radial load.
Ball bearings are the most common type of angular contact bearings. Angular contact ball bearings are used in many applications, but their primary purpose is in the spindle of a machine tool. These bearings are suitable for high-speed, precision rotation. Their radial load capacity is proportional to the angular contact angle, so larger contact angles tend to enlarge with speed. Angular contact ball bearings are available in single and double-row configurations.
Angular contact ball bearings are a great choice for applications that involve axial loads and complex shapes. These bearings have raceways on the inner and outer rings and mutual displacement along the axial axis. Their axial load bearing capacity increases as the contact Angle a rises. Angular contact ball bearings can withstand loads up to five times their initial weight! For those who are new to bearings, there are many resources online dedicated to the subject.
Despite their complexity, angular contact ball bearings are highly versatile and can be used in a wide range of applications. Their angular contact enables them to withstand moderate radial and thrust loads. Unlike some other bearings, angular contact ball bearings can be positioned in tandem to reduce friction. They also feature a preload mechanism that removes excess play while the bearing is in use.
Angular contact ball bearings are made with different lubricants and cage materials. Standard cages for angular contact ball bearings correspond to Table 1. Some are machined synthetic resins while others are molded polyamide. These cage materials are used to further enhance the bearing’s axial load capacity. Further, angular contact ball bearings can withstand high speeds and radial loads. Compared to radial contact ball bearings, angular contact ball bearings offer the greatest flexibility.

Ball bearings

bearing
Ball bearings are circular structures with two separate rings. The smaller ring is mounted on a shaft. The inner ring has a groove on the outer diameter that acts as a path for the balls. Both the inner and outer ring surfaces are finished with very high precision and tolerance. The outer ring is the circular structure with the rolling elements. These elements can take many forms. The inner and outer races are generally made of steel or ceramic.
Silicon nitride ceramic balls have good corrosion resistance and lightweight, but are more expensive than aluminum oxide balls. They also exhibit an insulating effect and are self-lubricating. Silicon nitride is also suitable for high-temperature environments. However, this type of material has the disadvantage of wearing out rapidly and is prone to cracking and shattering, as is the case with bearing steel and glass. It’s also less resistant to heat than aluminum oxide, so it’s best to buy aluminum nitride or ceramic ball bearings for applications that are subjected to extremely high temperatures.
Another type of ball bearings is the thrust bearing. It has a special design that accommodates forces in both axial and radial directions. It is also called a bidirectional bearing because its races are side-by-side. Axial ball bearings use a side-by-side design, and axial balls are used when the loads are transmitted through the wheel. However, they have poor axial support and are prone to separating during heavy radial loads.
The basic idea behind ball bearings is to reduce friction. By reducing friction, you’ll be able to transfer more energy, have less erosion, and improve the life of your machine. With today’s advances in technology, ball bearings can perform better than ever before. From iron to steel to plastics, the materials used in bearings have improved dramatically. Bearings may also incorporate an electromagnetic field. So, it’s best to select the right one for your machine.
The life expectancy of ball bearings depends on many factors, including the operating speed, lubrication, and temperature. A single million-rpm ball bearing can handle between one and five million rotations. As long as its surface contact area is as small as possible, it’s likely to be serviceable for at least one million rotations. However, the average lifespan of ball bearings depends on the application and operating conditions. Fortunately, most bearings can handle a million or more rotations before they start showing signs of fatigue.

Sliding-contact bearings

bearing
The basic principle behind sliding-contact bearings is that two surfaces move in contact with one another. This type of bearing works best in situations where the surfaces are made of dissimilar materials. For instance, a steel shaft shouldn’t run in a bronze-lined bore, or vice versa. Instead, one element should be harder than the other, since wear would concentrate in that area. In addition, abrasive particles tend to force themselves into the softer surface, causing a groove to wear in that part.
Sliding-contact bearings have low coefficients of friction and are commonly used in low-speed applications. Unlike ball and roller bearings, sliding contact bearings have to be lubricated on both sides of the contacting surfaces to minimize wear and tear. Sliding-contact bearings generally are made of ceramics, brass, and polymers. Because of their lower friction, they are less accurate than rolling-element bearings.
Sliding-contact bearings are also known as plain or sleeve bearings. They have a sliding motion between their two surfaces, which is reduced by lubrication. This type of bearing is often used in rotary applications and as guide mechanisms. In addition to providing sliding action, sliding-contact bearings are self-lubricating and have high load-carrying capacities. They are typically available in two different types: plain bearings and thrust bearings.
Sliding-contact linear bearing systems consist of a moving structure (called the carriage or slide) and the surfaces on which the two elements slide. The surfaces on which the bearing and journal move are called rails, ways, or guides. A bore hole is a complex geometry, and a minimum oil film thickness h0 is usually used at the line of centers. It is possible to have a sliding-contact bearing in a pillow block.
Because these bearings are porous, they can absorb 15 to 30% of the lubrication oil. This material is commonly used in automobile and machine tools. Many non-metallic materials are used as bearings. One example is rubber, which offers excellent shock absorbency and embeddability. While rubber has poor strength and thermal conductivity, it is commonly used in deep-well pumps and centrifugal pumps. This material has high impact strength, but is not as rigid as steel.

China supplier CZPT Hot Sales Long Service Life Single Row Tapered Roller Bearing 32304 Size 20*52*21mm Custom Size Auto Parts Bearings   with high qualityChina supplier CZPT Hot Sales Long Service Life Single Row Tapered Roller Bearing 32304 Size 20*52*21mm Custom Size Auto Parts Bearings   with high quality
editor by Dream 2024-04-22

Slewing bearings

As one of the slewing bearings manufacturers, suppliers, and exporters of mechanical products, We offer slewing bearings and many other products.

Please get in touch with us for details.

Manufacturer supplier exporter of slewing bearings.

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