China 1688 China Whosale Bearing High Quality Rb Series Cross Roller Bearing Rb50040 ball bearing

Product Description

                                                                                      The  Product  Description
RB series crossed roller bearings 
(separable Outer Ring for Inner Ring Rotation), this type is the basic type of crossed roller bearings. The outer rings have 2 parts, and the inner ring is 1 integer. This RB crossed roller bearing are well applied to the situation which need high rotation accuracy on inner ring. For example, it is suitable for the rotary part of the inHangZhou table of the tools machine.

The Company Description

  HangZhou Xihu (West Lake) Dis. Bearing Technology Co., Ltd. was established in December 2005, located in the HangZhou Airport Industrial Cluster, with more than 300 employees. With the development of precision bearings as the development direction, the company specializes in the research and development and manufacture of 3 series of precision rotary table bearings, cross roller bearings and robot reducer bearings. The precision grades are P2, P4 and P5, and the size range is 20mm ~2000mm. 

 Product list

RB series(Outer ring division type,inner rotating) Unit:mm
TYPE Dimensions Shoulder Height Basic Load Rating(Radial) Weight
Inner Ring Outer Ring Roller Pitch Diameter Height Chamfer Cr Cor
d D Dpw B  B1 rmin ds Dh kN kN kg
RB2008 20 36 27 8 0.5 23.5 30.5 3.23 3.1 0.04
RB2508 25 41 32 8 0.5 28.5 35.5 3.63 3.83 0.05
RB3571 30 55 41.5 10 0.6 37 47 7.35 8.36 0.12
RB3510 35 60 46.5 10 0.6 41 51.5 7.64 9.12 0.13
RB4571 40 65 51.5 10 0.6 47.5 57.5 8.33 10.6 0.16
RB4510 45 70 56.5 10 0.6 51 61.5 8.62 11.3 0.17
RB5013 50 80 64 13 0.6 57.4 72 16.7 20.9 0.27
RB6013 60 90 74 13 0.6 68 82 18 24.3 0.3
RB7013 70 100 84 13 0.6 78 92 19.4 27.7 0.35
RB8016 80 120 98 16 0.6 91 111 30.1 42.1 0.7
RB9016 90 130 108 16 1 98 118 31.4 45.3 0.75
RB10016 100 140 119.3 16 1 109 129 31.7 48.6 0.83
RB1571 150 123 20 1 113 133 33.1 50.9 1.45
RB11012 110 135 121.8 12 0.6 117 127 12.5 24.1 0.4
RB11015 145 126.5 15 0.6 122 136 23.7 41.5 0.75
RB11571 160 133 20 1 120 143 34 54 1.56
RB12016 120 150 134.2 16 0.6 127 141 24.2 43.2 0.72
RB12571 180 148.7 25 1.5 133 164 66.9 100 2.62
RB13015 130 160 144.5 15 0.6 137 152 25 46.7 0.72
RB13571 190 158 25 1.5 143 174 69.5 107 2.82
RB14016 140 175 154.8 16 1 147 162 25.9 50.1 1
RB14571 200 168 25 1.5 154 185 74.8 121 2.96
RB15013 150 180 164 13 0.6 157 172 27 53.5 0.68
RB15571 210 178 25 1.5 164 194 76.8 128 3.16
RB15030 230 188 30 1.5 173 211 100 156 5.3
RB16571 160 220 188.6 25 1.5 173 204 81.7 135 3.14
RB17571 170 220 191 20 1.5 184 198 29 62.1 2.21
RB18571 180 240 210 25 1.5 195 225 84 143 3.44
RB19571 190 240 211.9 25 1 202 222 41.7 82.9 2.99
RB20571 200 260 230 25 2 215 245 84.2 157 4
RB20030 280 240 30 2 221 258 114 200 6.7
RB20035 295 247.7 35 2 225 270 151 252 9.6
RB22571 220 280 250.1 25 2 235 265 92.3 171 4.1
RB24571 240 300 269 25 2.5 256 281 68.3 145 4.5
RB25571 250 310 277.5 25 2.5 265 290 69.3 150 5
RB25030 330 287.5 30 2.5 269 306 126 244 8.1
RB25040 355 300.7 40 2.5 275 326 195 348 14.8
RB30571 300 360 328 25 2.5 315 340 76.3 178 5.9
RB30035 395 345 35 2.5 322 368 183 367 13.4
RB30040 405 351.6 40 2.5 326 377 212 409 17.2
RB35571 350 400 373.4 20 2.5 363 383 54.1 143 3.9
RB40035 400 480 440.3 35 2.5 422 459 156 370 14.5
RB40040 510 453.4 40 2.5 428 479 241 531 23.5
RB45571 450 500 474 25 1 464 484 61.7 182 6.6
RB50571 500 550 524.2 25 1 514 534 65.5 201 7.3
RB50040 600 548.8 40 2.5 526 572 239 607 26
RB50050 625 561.6 50 2.5 536 587 267 653 41.7
RB60040 600 700 650 40 3 627 673 264 721 29
RB70045 700 815 753.5 45 3 731 777 281 836 46
RB80070 800 950 868.1 70 4 836 900 468 1330 105
RB90070 900 1050 969 70 4 937 1001 494 1490 120
RB1000110 1000 1250 1114 110 5 1057 1171 1220 3220 360
RB1250110 1250 1500 1365.8 110 5 1308 1423 1350 3970 440

 

Feature of Crossed Roller Bearings

 

1. High accuracy and load capacity. Precision ground V grooved ways and rollers.

2. Withstands force in any direction. Alternately crossed rollers 45º angle.

3. Easy Installation and get used to small spaces. Threaded mounting holes in standard pattern.

4. Factory preloaded for minimum axial play and low coefficient of friction.

WHY CHOOSE HONB

1.Products Advantages
Product quality is fundamental for the surival of HONB.
HONB bearing possesses the characteristics of high precision, high reliability and long life.
 
2.Fast Delivery
From ID size 20~300mm, we have enough stocks of parts.
The lead time is within 7 days.
 
3.Personalized Customization
Accept customized products, accept OEM / ODM.
 
4.Pre-sale and after-sale service
Pre-sales technical support, after-sales technical guidance communication, 24 hours online.
 
5.Quality Warranty
We have a QC team to inspect the product from original process to final packing according to drawing detail.
Accept third party inspection and also offer Video inspection.
For Crossed roller bearings, we offer 1 year warranty, if bearing problems, we replace new bearing at DDP cost.
 

To Be Negotiated 1 Piece
(Min. Order)

###

Rolling Body: Roller Bearings
The Number of Rows: Single
Outer Dimension: Large (200-430mm)
Material: Bearing Steel
Spherical: Non-Aligning Bearings
Load Direction: Thrust Bearing

###

Customization:

###

RB series(Outer ring division type,inner rotating) Unit:mm
TYPE Dimensions Shoulder Height Basic Load Rating(Radial) Weight
Inner Ring Outer Ring Roller Pitch Diameter Height Chamfer Cr Cor
d D Dpw B  B1 rmin ds Dh kN kN kg
RB2008 20 36 27 8 0.5 23.5 30.5 3.23 3.1 0.04
RB2508 25 41 32 8 0.5 28.5 35.5 3.63 3.83 0.05
RB3010 30 55 41.5 10 0.6 37 47 7.35 8.36 0.12
RB3510 35 60 46.5 10 0.6 41 51.5 7.64 9.12 0.13
RB4010 40 65 51.5 10 0.6 47.5 57.5 8.33 10.6 0.16
RB4510 45 70 56.5 10 0.6 51 61.5 8.62 11.3 0.17
RB5013 50 80 64 13 0.6 57.4 72 16.7 20.9 0.27
RB6013 60 90 74 13 0.6 68 82 18 24.3 0.3
RB7013 70 100 84 13 0.6 78 92 19.4 27.7 0.35
RB8016 80 120 98 16 0.6 91 111 30.1 42.1 0.7
RB9016 90 130 108 16 1 98 118 31.4 45.3 0.75
RB10016 100 140 119.3 16 1 109 129 31.7 48.6 0.83
RB10020 150 123 20 1 113 133 33.1 50.9 1.45
RB11012 110 135 121.8 12 0.6 117 127 12.5 24.1 0.4
RB11015 145 126.5 15 0.6 122 136 23.7 41.5 0.75
RB11020 160 133 20 1 120 143 34 54 1.56
RB12016 120 150 134.2 16 0.6 127 141 24.2 43.2 0.72
RB12025 180 148.7 25 1.5 133 164 66.9 100 2.62
RB13015 130 160 144.5 15 0.6 137 152 25 46.7 0.72
RB13025 190 158 25 1.5 143 174 69.5 107 2.82
RB14016 140 175 154.8 16 1 147 162 25.9 50.1 1
RB14025 200 168 25 1.5 154 185 74.8 121 2.96
RB15013 150 180 164 13 0.6 157 172 27 53.5 0.68
RB15025 210 178 25 1.5 164 194 76.8 128 3.16
RB15030 230 188 30 1.5 173 211 100 156 5.3
RB16025 160 220 188.6 25 1.5 173 204 81.7 135 3.14
RB17020 170 220 191 20 1.5 184 198 29 62.1 2.21
RB18025 180 240 210 25 1.5 195 225 84 143 3.44
RB19025 190 240 211.9 25 1 202 222 41.7 82.9 2.99
RB20025 200 260 230 25 2 215 245 84.2 157 4
RB20030 280 240 30 2 221 258 114 200 6.7
RB20035 295 247.7 35 2 225 270 151 252 9.6
RB22025 220 280 250.1 25 2 235 265 92.3 171 4.1
RB24025 240 300 269 25 2.5 256 281 68.3 145 4.5
RB25025 250 310 277.5 25 2.5 265 290 69.3 150 5
RB25030 330 287.5 30 2.5 269 306 126 244 8.1
RB25040 355 300.7 40 2.5 275 326 195 348 14.8
RB30025 300 360 328 25 2.5 315 340 76.3 178 5.9
RB30035 395 345 35 2.5 322 368 183 367 13.4
RB30040 405 351.6 40 2.5 326 377 212 409 17.2
RB35020 350 400 373.4 20 2.5 363 383 54.1 143 3.9
RB40035 400 480 440.3 35 2.5 422 459 156 370 14.5
RB40040 510 453.4 40 2.5 428 479 241 531 23.5
RB45025 450 500 474 25 1 464 484 61.7 182 6.6
RB50025 500 550 524.2 25 1 514 534 65.5 201 7.3
RB50040 600 548.8 40 2.5 526 572 239 607 26
RB50050 625 561.6 50 2.5 536 587 267 653 41.7
RB60040 600 700 650 40 3 627 673 264 721 29
RB70045 700 815 753.5 45 3 731 777 281 836 46
RB80070 800 950 868.1 70 4 836 900 468 1330 105
RB90070 900 1050 969 70 4 937 1001 494 1490 120
RB1000110 1000 1250 1114 110 5 1057 1171 1220 3220 360
RB1250110 1250 1500 1365.8 110 5 1308 1423 1350 3970 440
To Be Negotiated 1 Piece
(Min. Order)

###

Rolling Body: Roller Bearings
The Number of Rows: Single
Outer Dimension: Large (200-430mm)
Material: Bearing Steel
Spherical: Non-Aligning Bearings
Load Direction: Thrust Bearing

###

Customization:

###

RB series(Outer ring division type,inner rotating) Unit:mm
TYPE Dimensions Shoulder Height Basic Load Rating(Radial) Weight
Inner Ring Outer Ring Roller Pitch Diameter Height Chamfer Cr Cor
d D Dpw B  B1 rmin ds Dh kN kN kg
RB2008 20 36 27 8 0.5 23.5 30.5 3.23 3.1 0.04
RB2508 25 41 32 8 0.5 28.5 35.5 3.63 3.83 0.05
RB3010 30 55 41.5 10 0.6 37 47 7.35 8.36 0.12
RB3510 35 60 46.5 10 0.6 41 51.5 7.64 9.12 0.13
RB4010 40 65 51.5 10 0.6 47.5 57.5 8.33 10.6 0.16
RB4510 45 70 56.5 10 0.6 51 61.5 8.62 11.3 0.17
RB5013 50 80 64 13 0.6 57.4 72 16.7 20.9 0.27
RB6013 60 90 74 13 0.6 68 82 18 24.3 0.3
RB7013 70 100 84 13 0.6 78 92 19.4 27.7 0.35
RB8016 80 120 98 16 0.6 91 111 30.1 42.1 0.7
RB9016 90 130 108 16 1 98 118 31.4 45.3 0.75
RB10016 100 140 119.3 16 1 109 129 31.7 48.6 0.83
RB10020 150 123 20 1 113 133 33.1 50.9 1.45
RB11012 110 135 121.8 12 0.6 117 127 12.5 24.1 0.4
RB11015 145 126.5 15 0.6 122 136 23.7 41.5 0.75
RB11020 160 133 20 1 120 143 34 54 1.56
RB12016 120 150 134.2 16 0.6 127 141 24.2 43.2 0.72
RB12025 180 148.7 25 1.5 133 164 66.9 100 2.62
RB13015 130 160 144.5 15 0.6 137 152 25 46.7 0.72
RB13025 190 158 25 1.5 143 174 69.5 107 2.82
RB14016 140 175 154.8 16 1 147 162 25.9 50.1 1
RB14025 200 168 25 1.5 154 185 74.8 121 2.96
RB15013 150 180 164 13 0.6 157 172 27 53.5 0.68
RB15025 210 178 25 1.5 164 194 76.8 128 3.16
RB15030 230 188 30 1.5 173 211 100 156 5.3
RB16025 160 220 188.6 25 1.5 173 204 81.7 135 3.14
RB17020 170 220 191 20 1.5 184 198 29 62.1 2.21
RB18025 180 240 210 25 1.5 195 225 84 143 3.44
RB19025 190 240 211.9 25 1 202 222 41.7 82.9 2.99
RB20025 200 260 230 25 2 215 245 84.2 157 4
RB20030 280 240 30 2 221 258 114 200 6.7
RB20035 295 247.7 35 2 225 270 151 252 9.6
RB22025 220 280 250.1 25 2 235 265 92.3 171 4.1
RB24025 240 300 269 25 2.5 256 281 68.3 145 4.5
RB25025 250 310 277.5 25 2.5 265 290 69.3 150 5
RB25030 330 287.5 30 2.5 269 306 126 244 8.1
RB25040 355 300.7 40 2.5 275 326 195 348 14.8
RB30025 300 360 328 25 2.5 315 340 76.3 178 5.9
RB30035 395 345 35 2.5 322 368 183 367 13.4
RB30040 405 351.6 40 2.5 326 377 212 409 17.2
RB35020 350 400 373.4 20 2.5 363 383 54.1 143 3.9
RB40035 400 480 440.3 35 2.5 422 459 156 370 14.5
RB40040 510 453.4 40 2.5 428 479 241 531 23.5
RB45025 450 500 474 25 1 464 484 61.7 182 6.6
RB50025 500 550 524.2 25 1 514 534 65.5 201 7.3
RB50040 600 548.8 40 2.5 526 572 239 607 26
RB50050 625 561.6 50 2.5 536 587 267 653 41.7
RB60040 600 700 650 40 3 627 673 264 721 29
RB70045 700 815 753.5 45 3 731 777 281 836 46
RB80070 800 950 868.1 70 4 836 900 468 1330 105
RB90070 900 1050 969 70 4 937 1001 494 1490 120
RB1000110 1000 1250 1114 110 5 1057 1171 1220 3220 360
RB1250110 1250 1500 1365.8 110 5 1308 1423 1350 3970 440

Understanding the Different Types of Bearings

When you are looking for a bearing, you have many options to choose from. This article will explain the various types, functions, and working principles of different types of bearings. Once you understand the basic components, you can make an informed decision about which one to buy. Here’s an overview of some of the most common types. Learn more about each type below! Read on to learn about the differences between these different types of bearings! Posted in Articles

Functions

bearing
Bearings serve as an integral part of a mechanical device. These devices help transfer torque from one part of a structure to another. These mechanisms increase the efficiency of a shaft by increasing its life. However, the functions of bearings depend on the application of the structure. Among other functions, bearings provide support to shafts. Anti-friction bearings come in two types: ball and roller bearings. These components have line and point contact, which is the most common type. Archimedes’s principle states that the force is equal to the weight of the fluid that is being displaced. Bearings can transfer lateral loads to a substructure.
A bearing has two primary functions. The first is to prevent direct metal-to-metal contact. A bearing prevents friction, heat generation, and wear and tear of components. A bearing also reduces energy consumption. Its other purpose is to guide and support a rotating body. In addition to these functions, bearings can also reduce wear and tear on a machine. As a result, they are among the most widely used machines in the world.
Seals are a major component of a bearing. They prevent foreign materials from entering and lubricating the moving parts. The design of seal lips determines their effectiveness. Fuel economy regulations and CO2 emissions regulations are pushing the demand for low-friction bearings. However, high-performance seals do not always provide high-performance. As a result, current estimations of the friction in bearings depend on trial and error methods.
Another important function of bearings is that they transfer the load of a rotating component to its housing. This load can be axial or radial. Bearings also limit movement to predefined directions. Some types of rolling element bearings have balls or cylinders inside. These bearings are less frictional than sliding ones, thus they allow parts to move freely during rotation. These parts can then be used for various applications. So, bearings are an integral part of machines.

Types

The most common type of bearing is a plain bearing. It uses surfaces in rubbing contact to transmit movement from one part to another. These bearings may be discrete or may consist of a hole in a metal sleeve or a planar surface bearing another part. Some plain bearings are flanged, while others are made of a sleeve with a flange at one end. These bearings often give acceptable accuracy and life, but they are expensive and cannot be used in large scale applications.
Radial bearings are used when there is a need for high-speed or corrosive parts. This type of bearing also serves as a support in an intermediate situation. Its two components are called the base and the cover. The base and cover are connected and are arranged parallel to the main axis. This type of bearing is used in steady-state and axial motion applications. The radial bearings are also used when the shafts are long.
Angular contact bearings are another type of bearing. These are easy to install and require minimal maintenance. Their races are displaced along the axis. They are also better at handling axial loads and transferring them to the housing. These types of bearings are commonly used in pumps, automobiles, and high-speed applications. If you are looking for an affordable, reliable bearing, look no further than the angular contact bearing.
Another type of bearing is a self-lubricating bushing. These are lightweight and wear-resistant. Unlike the other types of bearing, they do not require any lubrication or maintenance. In fact, some are completely maintenance-free. But if you’re worried about maintenance, this type of bearing may be a good choice. There are many benefits of using self-lubricating bushings. It is also a good option for applications where your machine is exposed to extreme temperatures.

Working principle

bearing
A bearing has two primary functions: support and load transfer. In engineering applications, the bearing tends to push the load in the direction of the shaft. A radial load pushes the bearing downward and a thrust load pushes it sideways. Both types of load transfer are important in a variety of applications. The working principle of each type is described below. Listed below are the main uses for each type of bearing.
A plain bearing uses a PTFE liner on the interface of two moving parts. The PTFE liner acts as a lubricant and may be filtered to alter its friction. The journal bearing uses the motion of the journal to force fluid into the gap between two moving parts. This results in a small amount of play in the bearing. This play is acceptable for most applications. A ball bearing may have a maximum play of 2 mm for a ten-millimeter shaft.
The primary function of a bearing is to assist in rotation and to reduce mechanical friction between the two objects. A bearing may be installed as a separate device or as an integral part of a machine. For more complex applications, bearings are very precise components requiring the highest standards of technology. For this reason, it is important to understand the working principle of bearings. The next time you need to lift or slide a heavy object, consider a bearing.
Ball bearings are a common type of ball bearing and can be found in industrial machinery and automobiles. Their unique structure helps them support less weight. This is because they are comprised of two rings – an inner race and an outer race. The balls themselves have a small area of contact and transfer axial loads in one direction. A cage surrounds the balls and prevents them from colliding. This makes ball bearings a popular choice for many applications.

Sealing system

A bearing’s seals are vital for the operation of rolling and rotating components. These systems enable rotation and linear movement while limiting friction and dispersing stress. Without the proper seals, these components could face catastrophic failure. In addition to protecting the bearing from external forces, seals help retain lubricant inside the system and prevent harmful particles from entering the gap. A seal’s lubrication helps prevent the onset of mechanical damage and prolongs the life of the bearing.
A bearing seal is made up of two parts: the inner sealing element and the outer sealing element. A passageway runs through the bearing assembly to the outer seal element. A hydraulic press or pneumatic jack is recommended for installing the seal. These tools are effective in reducing deformation and improving seal installation quality. When fitting the seal, ensure that the tool does not hit the seal directly. A proper adopter will distribute the load uniformly across the seal.
The seal’s efficiency depends on its gap. A four-inch shaft seal can flow 0.5 standard cubic feet per minute. A seal’s efficiency is highly dependent on the gap size. The gap size is a cube of the flow through the system. A smaller gap size allows high flow and pressure but less leakage. If both surfaces of the seal have similar pressures and flow rates, the seal is efficient. However, a small gap reduces the pressures and reduces wear.
Mechanical seals have numerous advantages, including their ability to protect against contaminants and splashing liquids. Labyrinth seals are the first line of defense against leaks. They operate without friction. Their high level of sealing efficiency helps ensure that the bearing remains operational for long. This type of seal is made from metal plates and is designed for a wide temperature range and misalignment. Its advantages include being easy to install and offering 100% sealing efficiency.

Maintenance

bearing
Bearing maintenance is critical to ensuring that your bearings keep operating at their peak performance. Proper maintenance will improve bearing life, reduce downtime and increase productivity while reducing costs. Here is an 8-point checklist to optimize your bearings and make them last longer. To optimize their performance, you should follow these steps regularly. In case a bearing does not last long, you should replace it as soon as possible. Listed below are some tips to ensure proper maintenance.
The first step is to determine how often your bearings require lubrication. Some manufacturers recommend that you lubricate them weekly, but this can do more harm than good. Instead, use ultrasound to measure the level of friction and trend its levels. This way, you will know exactly when to grease your bearings. It’s also important to check how often they should be inspected and calibrated. A professional can provide guidance on proper maintenance.
Next, inspect your bearings for cracks and scratches. You should never install a bearing that has been dropped or scratched. Even a small crack will affect the performance of the bearing and could lead to its premature failure. A proper alignment is essential for the bearing to function properly. Make sure you have the correct tools to perform this task. These tools can help you reduce manual work and promote safe bearing maintenance. You should also ensure that the shaft and housing are clean and undamaged.
Proper maintenance can prolong bearing service life. Proper lubrication, mounting, inspection, basic condition monitoring, and dismounting can extend their life. Proper maintenance extends their lifespan and improves plant productivity. While bearings are essential for machinery, you should make sure you follow the proper safety procedures every time you work with them. These tips will also help prevent accidents and maintain your machine’s efficiency. Once you’ve followed these guidelines, you can safely inspect your bearings and ensure that they’re operating at their optimum capacity.

China 1688 China Whosale Bearing High Quality Rb Series Cross Roller Bearing Rb50040     ball bearingChina 1688 China Whosale Bearing High Quality Rb Series Cross Roller Bearing Rb50040     ball bearing
editor by czh 2022-11-29