Conical Bearing

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Wide range of Brands covered: Nsk, skf, ntn, fag, ina, koyo, ezo, nmb, iko, thk, timkne, nachi, mcgill, elges, fyh, asahi, ijk, east, rollway, samick, hrb, zwz, lyc, tr, but, zhbr, yfa, hzy, qcs, and other well-known domestic and foreign brands. The bearing models of major brands are complete, and customers can purchase them in a one-stop manner.

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Definition of Conical Bearing

Conical bearings are a type of rolling element bearing that can handle axial and radial loads. They are a good choice for applications that have both radial and axial load demands, as well as misalignment requirements. They are also a good option for applications that have limited space. This conical geometry creates a linear contact patch which permits greater loads to be carried than with spherical (ball) bearings, which have point contact. The geometry means that the tangential speeds of the surfaces of each of the rollers are the same as their raceways along the whole length of the contact patch and no differential scrubbing occurs.

NSK Conical Bearing
NSK conical bearing is a type of roller bearing that consists of conical rollers and inner and outer raceways.
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SKF Conical Bearing
SKF conical bearing is a type of rolling element bearing that is specifically designed for handling heavy radial and axial loads.
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FAG Conical Bearing
FAG conical bearings, also known as tapered roller bearings, are a type of rolling-element bearing that consists of an inner ring, an outer ring, tapered rollers, and a cage.
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NTN Conical Bearing
NTN conical bearing is a type of tapered roller bearing designed to handle both radial and axial loads.
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NACHI Conical Bearing
A NACHI conical bearing is a type of bearing that is designed to handle both radial and axial loads. It is also known as a cone bearing or tapered roller bearing.
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KOYO Conical Bearing
KOYO conical bearing is a type of bearing that has a conical inner and outer raceway. This design allows the bearing to handle both radial and axial loads.
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HRB Conical Bearing
HRB (Harbin Bearing Manufacturing Co., Ltd.) conical bearing is a type of roller bearing that consists of a outer race, an inner race, a set of tapered rollers, and a cage that holds them in place.
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LYC Conical Bearing
The LYC conical bearing is a type of roller bearing that is designed to accommodate both radial and axial loads.
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ZWZ Conical Bearing
ZWZ conical bearing is a type of roller bearing that is designed to withstand high radial and axial loads. It is also commonly referred to as a tapered roller bearing.
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BUT Conical Bearing
BUT conical bearings come in a variety of designs and sizes to accommodate different applications.
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TIMKEN Conical Bearing
Timken conical bearings, also known as tapered roller bearings, are a type of bearing that have two main components: an outer ring (cup) and an inner ring (cone).
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UBC Conical Bearing
The UBC conical bearing is a type of roller bearing that contains conical rollers instead of traditional spherical rollers.
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Benefits of Conical Bearing

Conical bearings are indispensable components in a wide range of industrial applications, renowned for their outstanding performance and versatility.

Precision engineering for optimal performance:
Conical bearings are meticulously engineered with precision to ensure optimal performance. The tapered design of the rollers and raceways enables them to efficiently distribute loads, reducing friction and minimizing energy losses. This results in smoother rotation and enhanced overall performance.

True rolling motion for increased efficiency:
One of the key features of conical bearings is their ability to provide a true rolling motion. This means that the rollers make contact with both the inner and outer raceways, allowing for uniform load distribution. This minimizes sliding friction, extends bearing life, and increases operational efficiency.

Versatility in handling combined loads:
Conical bearings excel at handling both radial and axial loads simultaneously. This versatility makes them ideal for applications where combined loads are present, such as automotive wheel hubs, gearboxes, and heavy machinery. By efficiently managing these loads, conical bearings contribute to smoother and more reliable operation.

Accommodating misalignment for enhanced durability:
In addition to their load-handling capabilities, conical bearings also offer the advantage of accommodating misalignment to a certain degree. This flexibility is beneficial in applications where shaft deflection or misalignment may occur, ensuring improved durability and reducing stress on the bearing.

Application of Conical Bearings

Conical bearings find applications in numerous industries, including automotive, aerospace, industrial machinery, and more. From supporting vehicle wheels and transmissions to powering heavy-duty equipment, their versatility and robustness make them a popular choice across various sectors.

Conical bearings are suitable for moderate radial or thrust loads and combined radial/thrust loads. The metric DGB series follows ISO design practices for boundary dimensions, Bore, O.D., width and corner radii. Both metric and inch series bearings are supplied with a two-piece machined brass cage, ball centered in most sizes and land riding in the very large bearings. Unless otherwise specified by the end user, these bearings will automatically be supplied with a C3 clearance for metric bearings and b3 for inch series ball bearings. This is necessary to provide some mounted clearance since these conical bearings are typically mounted on a shaft with an interference fit.

Automotive industry
Conical bearings are widely used in the automotive industry. They are employed in wheel bearings, transmission systems, and engines. Due to the varying directions and magnitudes of loads that automobiles need to endure, the high load-carrying capacity of tapered roller bearings makes them a suitable choice.

Power generation industry
In equipment such as power plants, wind turbines, and hydroelectric generators, conical bearings are used to support rotating components like generator rotors and hubs.

Railway industry
Conical bearings are utilized in trains and locomotives to support wheel axles and gear systems. These bearings can withstand high loads while providing stable operation.

Aerospace industry
In the aerospace field, conical bearings find extensive applications in critical components such as aircraft engines, landing gears, and aircraft wheel hubs. They can handle complex loads.

Construction machinery
Construction and engineering machinery, including excavators, bulldozers, and cranes, operate in harsh environments. Conical bearings can provide reliable support under heavy loads and vibration conditions.

Gearboxes
Conical bearings are commonly employed in gearboxes of industrial equipment. They can withstand high loads while ensuring smooth operation of the gear system.

Design Analysis of Conical Bearing

The analysis of Conical Bearing is as follows:
1. Conical Bearing is equipped with cone-shaped roller, which is guided by the large rib of inner ring.
2. In the design, the top points of cone surfaces of inner ring raceway surface, outer ring raceway surface and roller rolling surface intersect at a point on the bearing center line.
3. Single row bearing can bear radial load and unidirectional axial load, double row bearing can bear radial load and bidirectional axial load.
4. Suitable for bearing heavy load and impact load.
5. According to the contact angle (α), it can be divided into three types: small cone angle, middle cone angle and large cone angle. The larger the contact angle is, the greater the axial load capacity is.
6. Outer ring and inner assembly (inner ring, roller and cage assembly) can be separated to facilitate assembly and disassembly.
7. The bearing with auxiliary code "J" or "Jr" at the rear has international interchangeability.

The Considerations for Buying Conical Bearing

When choosing the right Conical Bearing, several critical factors must be considered:
• Load capacity: Determine the magnitude and direction of the load the Conical Bearings will support, whether it's radial, axial, or a combination of both.
• Speed: Consider the rotational speed of the application as excessive speed can impact bearing performance.
• Environmental conditions: Evaluate the operating environment, including temperature, humidity, and exposure to contaminants, as these factors can affect bearing life.
• Alignment and misalignment: Determine if the application requires the bearing to handle misalignment, and select a suitable type accordingly.
• Space constraints: Consider the available space within the machinery, as compact solutions like needle Conical Bearings may be necessary in tight quarters.
• Precision requirements: Some applications demand high precision, such as those in the medical or semiconductor industries.

What Are Seven Important Factors to Consider When Selecting a Conical Bearing?

In selecting Conical Bearings, the most important thing is to fully understand the operating conditions of the bearings.

Installation space.
Conical Bearing can be installed in target equipment.
• When a shaft is designed, its rigidity and strength are considered essential; therefore, the shaft diameter, i.e., bore diameter, is determined at start. For rolling bearings, since wide variety with different dimensions are available, the most suitable bearing type should be selected.

Load.
Load magnitude, type and direction which applied.
• Since various types of load are applied to Conical Bearings, load magnitude, types (radial or axial) and direction of application (both directions or single direction in the case of axial load), as well as vibration and impact must be considered in order to select the proper bearing.
• The following is the general order for radial resistance ;

Rotational speed.
Response to rotational speed of equipment in which Conical Bearings will be installed.
• Since the allowable speed differs greatly depend-ing not only upon bearing type but on bearing size, cage, accuracy, load and lubrication, all factors must be considered in selecting bearings.
• In general, the following bearings are the most widely used for high speed operation.

Running accuracy.
Accurate rotation delivering required performance.
• Performance required differs depending on equipment in which Conical Bearings are installed : for instance, machine tool spindles require high running accuracy, gas turbines require high speed rotation, and control equipment requires low friction. In such cases, bearings of tolerance class 5 or higher are required.
• The following are the most widely used bearings.

Rigidity.
Rigidity that delivers the Conical Bearing performance required.
• In machine tool spindles and automobile final drives, bearing rigidity as well as rigidity of equipment itself must be enhanced.
• Elastic deformation occurs less in roller bearings than in ball bearings.
• Rigidity can be enhanced by providing preload. This method is suitable for use with angular contact ball bearings and tapered roller bearings.

Misalignment.
Operating conditions which cause misalignment (shaft deflection caused by load, inaccuracy of shaft and housing, mounting errors) can affect Conical Bearing performance
• Internal load caused by excessive misalignment damages bearings. Bearings designed to absorb such misalignment should be selected.
• The higher the self-aligning capability that bearings possess, the larger the angular misalignment that can be absorbed.

Mounting and dismounting.
Methods and frequency of mounting and dismounting required for periodic inspection.
• Cylindrical roller bearings, needle roller bearings and Conical Bearings, with separable inner and outer rings, are recommended for applications in which mounting and dismounting is conducted frequently.
• Use of sleeve eases the mounting of self-aligning ball bearings and spherical roller bearings with tapered bore.

How to Measure and Adjust Conical Bearing?

The conical bearings that come in 2 parts (cup and cone) are measured by shaft diameter and bore diameter and bearing thickness. The cup goes in the bore and the cone goes on the shaft. Most bearings are measured in metric, years ago they were measured in fractions of an inch. Tapered bearings that come as an assembly are measured the same way.

In order to ensure correct adjustment, the conical bearings are required to have “zero end play” at all times. The procedure to accomplish this in a caster is as follows:
• Check that each spacer is positioned in the correct place, through the seal and up against the face of each bearing.
• Install the wheel into the rig.
• Install the axel through the legs, spacers and bearings.
• Assemble the slotted nut on the end of the axle and tighten with a wrench until the wheel has sufficient drag to stop the wheel from rotating at all when released from your hand while trying to spin the wheel. This will seat the conical bearing cones into the cups.
• Back the nut off approximately a quarter of a turn to locate the cross drilled hole in the axle and one of the slots in the nut.
• Spin the wheel. When released from your hand, the wheel should turn approximately one half of a rotation.
• Install the roll pin. The conical bearings should be checked for the correct adjustment and to assure they are properly lubricated every 500 hours of service or as frequently as possible afterward.

Our Factory

Zhejiang Zhongji Changsheng E-commerce Co., Ltd. was established in 2020 and mainly operates a bearing trading platform. In March 2022, the platform's consignment sales performance exceeded 10 million, and in November 2022, there were over 1000 platform suppliers. In March 2023, the platform's consignment sales performance was nearly 20 million. In 2023, the company's self operated automotive parts business was fully launched, mainly for chassis components such as automotive bearings, ball heads, swing arms, and stabilizer bars. At the same time, pneumatic components were launched and online exhibition business was opened, Promote excellent manufacturers' brands.

Brands covered include: Nsk, skf, ntn, fag, ina, koyo, ezo, nmb, iko, thk, timkne, nachi, mcgill, elges, fyh, asahi, ijk, east, rollway, samick, hrb, zwz, lyc, tr, but, zhbr, yfa, hzy, qcs, and other well-known domestic and foreign brands.

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FAQ

Q: How do you check a conical bearing?

A: Conical bearings such as tapered roller bearings may be checked by individually examining their rolling elements and the outer ring raceway. Large bearings cannot be rotated manually; however, the rolling elements, raceway surfaces, cages, and contact surface of the ribs should be carefully examined visually.

Q: Are conical bearings serviceable?

A: Conical bearings, if cared for properly, will provide excellent service and long life, often outlasting the machine they're attached to. The following tips are all you need to keep them rolling along! The keys to long wheel bearing life are cleanliness, grease, and preload.

Q: Do conical bearings need adjusting?

A: Axial preload in tapered roller bearings is produced by displacing one bearing ring axially in relation to the other by an amount corresponding to the desired preload force. Generally, each bearing is individually and manually adjusted using shims or spacer sleeves, or by tightening torques.

Q: Do conical bearings need preload?

A: It is very important to have the proper preload of the tapered roller bearings typically found in all tube, pipe and roll form mills. Preload is defined in this text as how many inch-pounds of rotational force are required to continually rotate a shaft when the tapered roller bearings are properly tightened.

Q: What is the angle of a conical bearing?

A: The axial load carrying capacity of tapered roller bearings increases with increasing contact angle α. The size of the contact angle, which is usually between 10° and 30°, is related to the calculation factor e (from the product table): the larger the value of e, the larger the contact angle.

Q: What are the parts of a conical bearing?

A: Conical bearings consist of 2 basic components: the cup and the cone assembly. The cup is the outer ring and is a separate component. The cone assembly is made up of the inner ring, rollers, and the cage.

Q: How do you measure conical bearings?

A: The conical bearings that come in 2 parts (cup and cone) are measured by shaft diameter and bore diameter and bearing thickness. The cup goes in the bore and the cone goes on the shaft. Most bearings are measured in metric, years ago they were measured in fractions of an inch.

Q: What is the problem with conical bearings?

A: In conical bearings, the roller ends and inner ring rib wear to a greater degree than the races. This wear causes increased endplay or internal clearance, which can reduce fatigue life and create misalignment in the bearing. Abrasive wear also can affect other parts of the machine in which the bearings are used.

Q: Can a conical bearings take load?

A: Taper Roller Bearing: can take heavy radial and thrust loads. Angular Contact Bearing: can take both radial and thrust loads. Cylindrical Roller Bearing: can take radial load only. Deep Groove Ball Bearing: takes load in radial as well as an axial direction.

Q: Do conical bearings need preload?

A: It is very important to have the proper preload of the conical bearings typically found in all tube, pipe and roll form mills. Preload is defined in this text as how many inch-pounds of rotational force are required to continually rotate a shaft when the tapered roller bearings are properly tightened.

Q: What applications are tapered conical bearings used for?

A: Vehicle wheel bearings while working continually with radial and axial forces.
Suitable for moderate-speed, heavy-duty applications requiring durability.
Automotive wheel bearings.
Agriculture machinery shafts.
Aircraft fuel pumps.
Engines and reducers.
Railroad axles.

Q: What are the main applications of conical bearings?

A: Bearings are "components that aid in the rotation of objects." Inside the equipment, they support the shaft that revolves. Automobiles, aircraft, power generators, and other devices need bearings. Even common household items like refrigerators, vacuum cleaners, and air conditioners we use daily contain them.

Q: What are the applications of conical bearings?

A: Single row tapered roller bearings can also be used in sets. Single row tapered roller bearings can be matched face-to-face, back-to-back or in tandem to deliver specific advantages depending on operating conditions. Double row tapered roller bearings are typically used in gearboxes, hoisting equipment, rolling mills and machines in the mining industry. Four row tapered roller bearings are used almost exclusively in work roll applications such as rolling mills.

Q: What is a conical bearing?

A: Relationship to roller bearing. may be cylinders or truncated cones. Only radial loads (i.e., loads perpendicular to the axis of rotation) can be carried when the rollers are cylindrical, but with conical rollers both radial and thrust, or axial, loads (i.e., ones parallel to the axis of rotation) can be carried.

Q: What is a bearing that uses cone shaped rollers?

A: A key element of machinery designed for heavy duty applications, the tapered roller bearing consists of a cone (inner ring), a cup (outer ring), rollers, and a cage. The rollers are tapered in the shape of truncated cones, and both the inner and outer ring raceways are tapered to accommodate the shape of the rollers.

Q: How does a conical bearing work?

A: Through their tapered shape, the bearings can transfer loads evenly. The construction is designed to handle combination loads, such as axial and radial loads in tandem. As the projected lines of the raceway meet at a common point, the bearing axis improves rolling while reducing friction.

Q: Which conical bearing is mostly used?

A: The most commonly used bearings are Deep-Groove Ball Bearings. Thanks to their simple design, they are easy to maintain and not as sensitive to operating conditions thus are used in a wide range of different applicaitons. In addition to radial forces, they absorb axial forces in both directions.

Q: What are the characteristics of a conical bearing?

A: Conical bearings contain an inner ring, outer ring, and a number of tapered rollers. Looked at individually, the inner and outer bearing rings are also tapered, resembling a cone segment. Due to the large surface area contact, tapered roller bearings are able to withstand heavy axial and radial loads.

Q: What is the difference between a bearing and a conical bearing?

A: There isn't really a difference: a bushing is a type of bearing. In general, a “bearing” facilitates movement between two parts while reducing friction. Simple in design, the typical bearing has two surfaces that roll over each other, enabling two mating components to move friction-lessly.

Q: What does a conical bearing look like?

A: A conical bearing consists of inner and outer rings which house the rolling elements. The rollers taper into conical shapes. The corresponding raceways that the rollers interface with are angled to accommodate their tapered form. The rollers themselves are held together in a cage that fits the inner and outer rings.

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