Kind: Slewing Bearing
Relevant Industries: Producing Plant, Machinery Restore Retailers, Property Use, Retail, Other
Model Variety: RU178UUCC0
Feature: CROSS ROLLER, Higher Precision
Seals Sort: Seal
Substance: Chrome Metal
Software: Robot Arm Machinery
Lubrication: Oil Gease
Cage: Steel
Dynamic Load Ranking: eighty.3KN
Static Load Ranking: 135KN
Weight: 6.8kg
Packaging Details: orginal bundle
Port: HangZhou,Guangzhiu,ZheJiang

Higher Rigidity Cross Roller Ring Bearing RU178 RU178G RU178UU RU178UUCC0

Product Picture

Solution IdentifyLarge Rigidity Cross Roller Ring Bearing RU178 RU178G RU178UU RU178UUCC0
BrandXRT and OEM
MaterialChrome steel
Bore Measurement115mm
Outer Diameter 240mm
Width 28mm
Bodyweight 6.8kg
Dynamic Load Score80.3KN
Static Load Ranking 135KN
Application Robot Arm Equipment

Composition and Features
With the Cross-Roller Ring, cylindrical rollers are arranged with each and every roller perpendicular to the adjacent roller, in a 90 V groove, separated from each other by a spacer retainer. This design and style enables just 1 bearing to get loads in all instructions including radial, axial and moment loads. Because the Cross-Roller Ring achieves large rigidity regardless of the bare minimum attainable proportions of the interior and outer rings, it is optimum for apps these kinds of as joints and swiveling models of industrial robots, swiveling tables of machining centers, rotary units of manipulators, 600 Spine Archery Pure Carbon Arrow Shaft with Actual Turkey Feather Screw-in Discipline Tips for Outside Sports Hunting precision rotary tables, health-related equipment, measuring devices and IC production machines.

[High Rotation Precision]
The spacer retainer fi tting amid cross-arrayed rollers prevents rollers from skewing and the rotational torque from rising thanks to friction between rollers. In contrast to traditional types making use of metal sheet retainers, the Cross-Roller Ring does not result in unilateral make contact with of roller or seize. As a result, even underneath a preload, the Cross-Roller Ring gives stable rotation. Since the inner and outer rings are designed to be separable, the preload can be altered, and this attribute permits precise rotation.

[Straightforward Managing]
The inner and outer rings, which are separable, are secured to the Cross-Roller Ring body following currently being put in with rollers and spacer retainers in order to stop the rings from separating from every single other. Therefore, it is simple to deal with the rings when setting up the Cross-Roller Ring.

[Skewing Avoidance]
The spacer retainer retains rollers in their proper position, thus avoiding them from skewing (tilted rollers). This eradicates friction amongst rollers, and for that reason secures a stable rotational torque.

[Elevated Rigidity (A few to 4 Instances Greater than the Traditional Kind)]
As opposed to the thin angular ball bearings installed in double rows, the cross array of rollers makes it possible for a one cross-roller ring unit to receive loads in all instructions, growing the rigidity to 3 to 4 occasions better than the typical sort.

[Massive Load Capacity]
(1) In contrast with typical steel sheet retainers, the spacer retainer permits a more time powerful get in touch with length of each roller, therefore signifi cantly escalating the load ability. The spacer retainer guides rollers by supporting them more than the total length of every single roller, KA035XP0 CZPT constant part slim walled bearing whereas the typical kind of retainer supports them only at a stage at the centre of each roller. Such a single-stage get in touch with can not suffi ciently stop skewing.

(2) In standard kinds, the loaded regions are asymmetrical among the outer ring and the interior ring sides about the roller longitudinal axis. The higher the used load is, the greater the instant gets, top stop-encounter speak to to arise. This causes frictional resistance, which hinders sleek rotation and quickens use.

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RE7013 RE8016 RE9016 RE10016 RE1571 RE11012 RE11015 RE11571 RE12016 RE12571 RE13015 RE13571 RE14016 RE14571 RE15013 RE15571 RE15030 RE16571 RE17571 RE18571 RE19571 RE20571 RE20030 RE20035 RE22571 RE24571 RE25571 RE25030 RE25040 RE30571 RE30035 RE30040 RE35571 RE35571 RE40035 RE40040 RE45571 RE50571 RE50040 RE50050 RE60040

RA5008 RA6008 RA7008 RA8008 RA9008 RA10008 RA11008 RA12008 RA13008 RA14008 RA15008 RA16013 RA17013 RA18013 RA19013 RA20013

RU42 RU66 RU85 RU124 RU148 RU178 RU228 RU297 RU445

main goods range1.Deep groove ball bearings (68series,69series,60series,62series,63series,64series)2.Tapered roller bearing(320 series,322 collection,323 sequence)3.Linear bearing4.Thrust ball bearing(511 sequence,512 series,513 series)5.Cylindrical roller bearing(NU10 series,NJ2 Series,N3 sequence, NN series)6.Needle roller bearing7.Angular speak to ball bearing(70 series.seventy two sequence.73 sequence.74 sequence)8.Spherical roller bearing9.Thurst roller bearing10.Spherical ball bearing(230 series, MMT-4Q Factory cost high quality 24v48v dc motor controller reversible pwm dc motor speed controller 24v 100A 222series,223series)eleven.Pillow block bearing(UCP sequence, UCF series, UCT collection, UCFL sequence)
Other sorts bearings
Packaging & Shipping

Bundle 1. Laser mark on the bearing
2. Bearing wrapped by vacuum packaging 3. Outer color polybag + box + carton, industrial common packaging 4. According to your needs.
Delivery 1-3 times right after payment received
Transport port HangZhou,HangZhou,ZheJiang
Payment 1.a hundred%TT
2.30% T/T in progress,70% towards duplicate of B/L

Our Services1.Expert bearing manufacturer and exporter for far more than 10 years
2.The lowest price value from our manufacturing facility with high quality
three.OEM brand name accessible and customized substantial precision worm gear tiny slew push cost
four.Excellent after-sale services with professional technological engineers.
Company Information


Choosing the Right Ball Bearing for Your Application

When choosing a Ball Bearing, there are several things to consider. These factors include: the size, lubricant type, presence of corrosive agents, stray electrical currents, and more. It can be challenging to choose the right type, size, and type of ball bearing for your application. You should also carefully calculate the loads to determine the right size. Here are some tips for choosing the right Ball Bearing for your application.


The single-row ball bearing is one of the most popular types of bearings. The inner and outer ring are designed with raceway grooves that are shaped slightly larger than the balls. This type of bearing has a low torque and can handle high-speed applications with minimal power loss. The radial dimensions of single-row ball bearings also vary, so it is possible to find one that fits your specific application. Besides the above-mentioned advantages, single-row ball bearings are also available with varying grease levels and are widely applicable to applications where the space is limited.
Single-row ball bearings are also called angular-contact ball bearings. Because of their single-row design, they are not separable and can accommodate a high-speed, heavy-duty application. Single-row angular-contact ball bearings can only handle axial load in one direction, and they must be installed in pairs for pure radial loads. Single-row ball bearings are a popular type of rolling bearings and can be used for a wide range of applications.


The self-aligning ball bearing was invented by Sven Wingquist, a plant engineer for a textile company in Sweden. While he was responsible for making production as efficient as possible, he soon realized that the machinery he had in place wasn’t working as efficiently as it could. Although ball bearings are great for reducing friction, they were not flexible enough to compensate for misalignments in the machine.
Self-aligning ball bearings have two rows of balls and a common sphered raceway. The inner ring is curved and combines the two rows of balls into one cage. These bearings can tolerate shaft misalignment and compensate for static angular defects. They can be used in simple woodworking machinery, ventilators, and conveying equipment. They are often the preferred choice for applications where shaft alignment is an issue.


A Ceramic ball bearing is a type of high-performance bearing that is available in both full-ceramic and hybrid forms. The main differences between ceramic and steel ball bearings are their construction, lubrication, and mobility. High-quality ceramic ball bearings are durable, and they are ideal for corrosive and high-temperature applications. The material used to create these bearings helps prevent electrolytic corrosion. They are also ideal for reducing the friction and lubrication requirements.
Ceramic balls are harder and less brittle than steel balls, which gives them a higher degree of rigidity. Ceramics also have a higher hardness, with a hardness of Rc75-80 compared to Rc58-64 for steel balls. Their high compressive strength is approximately 5 to 7 times greater than steel. In addition, they have a very low coefficient of friction, which allows them to spin at higher speeds and with less friction. This increases their lifespan and durability, and decreases the energy needed to turn cranks.


Unlike traditional bearings, steel balls have a relatively uniform hardness. Carbon steel, for instance, is 2.1% carbon by weight. According to the American Iron and Steel Institute, copper content must be no more than 0.40% and manganese content should not be more than 1.65 g/cm3. After carbonizing, steel balls undergo a process called sizing, which improves their roundness geometry and hardness.
The main differences between steel ball bearings and ceramic ball bearings can be traced to their different materials. Ceramic balls are made from zirconium dioxide or silicon nitride. Silicon nitride is harder than steel and resists shocks. The result is increased speed and longer service life. Polyoxymethylene acetal (PMMA) bearing balls are known for their stiffness, strength, and tolerance, but are not as common as steel ball bearings.


The most popular types of plastic ball bearings are made of polypropylene or PTFE. These bearings are used in applications requiring higher chemical resistance. Polypropylene is a structural polymer that offers excellent physical and chemical properties, including excellent resistance to organic solvents and degreasing agents. Its lightweight, low moisture absorption rate, and good heat resistance make it an excellent choice for high-temperature applications. However, plastic bearings are not without their drawbacks, especially when operating at very high temperatures or under heavy loads.
Compared to metal bearings, plastic ball-bearings do not require lubrication. They also are highly corrosion-resistant, making them an excellent choice for wash-down applications. They are also post-, autoclave-, and gamma sterilizable. Many conventional steel ball-bearings cannot handle the high temperatures of food processing or swimming pools. In addition to high temperature applications, plastic ball bearings are resistant to chemicals, including chlorine.


Plastic sliding bearings are molded bearings made of engineering plastic. With self-lubricating modification technology, these bearings can be produced by injection molding of plastic beads. They are widely used in various industries such as office equipment, fitness and automotive equipment. In addition to plastic bearings, glass balls are used in a variety of other applications, including medical equipment. Glass ball bearings have excellent corrosion resistance, excellent mechanical properties, and are electrically insulators.
Plastic ball bearings are made of all-plastic races and cages. These bearings are suitable for applications that are exposed to acids and alkalis. Because they are cheaper than glass balls, plastic ball bearings are popular in chemical-exposed environments. Stainless steel balls are also resistant to heat and corrosion. But the main disadvantage of plastic ball bearings is that they are not as strong as glass balls. So, if weight and noise is your main concern, consider using plastic balls instead.


The global miniature ball bearing market is expected to reach US$ 2.39 Billion by 2027, at a CAGR of 7.2%. Growth in the region is attributed to technological advancement and government initiatives. Countries such as India and China are attracting FDIs and emphasizing the establishment of a global manufacturing hub. This is boosting the market for miniature ball bearings. The miniscule ball bearings are manufactured in small quantities and are very small.
Some manufacturers produce miniature ball bearings in different materials and designs. Chrome steel is the most popular material for miniature ball bearings because of its high load capacity, low noise properties, and lower cost. But the cost of stainless steel miniature bearings is low, since the amount of steel used is minimal. Stainless steel miniature bearings are the smallest in size. Therefore, you can choose stainless steel mini ball bearings for high-speed applications.


Angular-contact ball bearings have three components: a cage, inner ring, and balls. Angular-contact ball bearings can support high axial and radial loads. Various design and manufacturing attributes make angular-contact ball bearings suitable for a variety of applications. Some features of this bearing type include a special lubricant, different cage materials, and different coatings.
The size of an angular-contact ball bearing is determined by the design units: outer ring width, axial load, and radial load. Depending on the type of application, an angular-contact ball bearing may be manufactured in double-row, triple-row, or quadruple-row configurations. Angular contact ball bearings can be classified according to their design units, which range from metric to imperial. A higher ABEC number means tighter tolerances. To determine the tolerance equivalent of a particular bearing, consult a standard Angular-contact ball bearing table.
Angular-contact ball bearings feature high and low-shoulder configurations. They have two-dimensional races that accommodate axial and radial loads. They are available in self-retaining units with solid inner and outer rings, and ball and cage assemblies. Cages made of cast and wrought brass are the most popular, but lightweight phenolic cages are also available. The latter is a better choice because it doesn’t absorb oil and has lower rolling friction.


When it comes to the construction of a ball bearing, high-quality raw materials are a crucial component. These materials not only affect the overall quality of a ball bearing, but also influence the cost. That’s why you should pay close attention to raw material quality. In addition to that, raw materials should be tested several times before the manufacturing process to ensure quality. Read on for some information about the different types of materials used to make ball bearings.
Steel is the most common material for ball bearings. Most ball bearings contain stainless steel balls, which are remarkably corrosion-resistant. They are also resistant to saltwater and alkalis. However, stainless steel balls are heavier than plastic ones, and they are also magnetic, which may be a drawback in some applications. If you’re looking for a metal-free option, glass balls are the way to go. They’re sturdy, lightweight, and resistant to a wide range of chemicals.

China High Rigidity Cross Roller Ring Bearing RU178 RU178G RU178UU RU178UUCC0     bearing airChina High Rigidity Cross Roller Ring Bearing RU178 RU178G RU178UU RU178UUCC0     bearing air
editor by czh 2023-03-20