Product Description

 

Product Description

Product Attributes
CZPT Part Number    CRBFV8571AT
THK Part Number    RU124
Bearing Type    Roller
Roller Bearing Type    Crossed
For Load Direction    Combined Radial; Thrust; and Moment
Construction    Single Row
Seal Type    Open
ABEC Rating    ABEC-5 ABEC-7 ABEC-9
Ring Material    Steel
Roller Material    Steel
Shaft dia. mm    80
Mass(kg)    2.6
Bore Dia (d)    80
Outer Dia (D)    165
Width (B)    22
Greasing hole(d1)    3.1
r(min)    1
Shoulder height ds(max)    114
Shoulder height Dh(min)    134
Basic load rating (radial)C kN    33.1
Basic load rating (radial)Co kN    50.9
Inner ring PCD1    97
Lubrication    Required
Shaft Mount Type    Press Fit
Temperature Range    0 -230
Inner ring Mounting hole    10-M5 through
Outer ring PCD2    148
Outer ring Mounting hole    10-φ5.5 through φ9.5 counter bore depth 5.4

 

RU series(Integrated Inner/Outer Ring type) Since the mounting holes are provided, the model does not require a presser flange or housing. In addition, because it has an integrated inner/outer ring structure and is equipped with washers, its performance is minimally affected by the mounting procedure, ensuring stable rotation accuracy and torque. 

 

 

Crossed Roller Bearings:

 

Cross Roller Bearings are a type of roller bearing with high rotation accuracy capable of bearing loads in every direction. Because it has orthogonally arranged cylindrical rollers, it can bear loads in every direction. This lets 1 crossed roller bearing replace more than 1 ball bearing, thus saving the space required by ball bearings, lowering the associated material costs.

Key benefits of cross roller bearings:
High load capacity: cross roller bearings are designed to heavy loads in compact spaces 
Unique Design: rollers arranged perpendicular to the axis of rotation which ensures smooth and precise operation through rigidity and accuracy
Durability: highly durable and built to last minimizing downtime and maintenance costs
 

Applications:

Crossed roller bearings are commonly used in precision machinery, robotics, CNC machines, and semiconductor manufacturing equipment.

 

Types Cross Roller Bearings:
 1. RA series

 2. RB series

 3. RU series

 4. SX series

 5. XU series

 6. XSU series

 7. XR/JXR series

 8. CRBF series

 9. CRBS series

10.CRBH series

11.CRBT series

 

 

Technical parameter of precision cross cylindrical roller bearings :

RA series:

TYPE Inner diameter Outer diameter Pitch diameter Height Chamfer Shoulder size   Basic rated load(Radial)   Weight
  d D Dpw B r ds Dh Cr Kn Cor Kn KG
RA 5008 50 66 57 8 0.5 53.5 60.5 5.1 7.19 0.08
RA 6008 60 76 67 8 0.5 63.5 70.5 5.68 8.68 0.09
RA 7008 70 86 77 8 0.5 73.5 80.5 5.98 9.8 0.1
RA 8008 80 96 87 8 0.5 83.5 90.5 6.37 11.3 0.11
RA 9008 90 106 97 8 0.5 93.5 100.5 6.76 12.4 0.12
RA 10008 100 116 107 8 0.5 103.5 110.5 7.15 13.9 0.14
RA 11008 110 126 117 8 0.5 113.5 120.5 7.45 15 0.15
RA 12008 120 136 127 8 0.5 123.5 130.5 7.84 16.5 0.17
RA 13008 130 146 137 8 0.5 133.5 140.5 7.94 17.6 0.18
RA 14008 140 156 147 8 0.5 143.5 150.5 8.33 19.1 0.19
RA 15008 150 166 157 8 0.5 153.5 160.5 8.82 20.6 0.2
RA 16013 160 186 172 13 0.8 165 179 23.3 44.9 0.59
RA 17013 170 196 182 13 0.8 175 189 23.5 46.5 0.64
RA 18013 180 206 192 13 0.8 185 199 24.5 49.8 0.68
RA 19013 190 216 202 13 0.8 195 209 24.9 51.5 0.69
RA 20013 200 226 212 13 0.8 205 219 25.8 54.7 0.71

RB series:

Model No. Outer dimension (mm) Installation dimension (mm) Rated load (Kn) Weight
d D B/C Rmin da Da C C0 kg
RB2008 20 36 8 0.5 23.5 30.5 3.23 3.1 0.04
RB2508 25 41 8 0.5 28.5 35.5 3.63 3.83 0.05
RB3571 30 55 10 0.6 37 47 7.35 8.36 0.12
RB3510 35 60 10 0.6 41 51.5 7.64 9.12 0.13
RB4571 40 65 10 0.6 47.5 57.5 8.33 10.6 0.16
RB4510 45 70 10 0.6 51 61.5 8.62 11.3 0.17
RB5013 50 80 13 0.6 57.4 72 16.7 20.9 0.27
RB6013 60 90 13 0.6 68 82 18 24.3 0.3
RB7013 70 100 13 0.6 78 92 19.4 27.7 0.35
RB8016 80 120 16 0.6 91 111 30.1 42.1 0.7
RB9016 90 130 16 1 98 118 31.4 45.3 0.75
RB10016 100 140 16 1 109 129 31.7 48.6 0.83
RB1571 100 150 20 1 113 133 33.1 50.9 1.45
RB11012 110 135 12 0.6 117 127 12.5 24.1 0.4
RB11015 110 145 15 0.6 122 136 23.7 41.5 0.75
RB11571 110 160 20 1 120 143 34 54 1.56
RB12016 120 150 16 0.6 127 141 24.2 43.2 0.72
RB12571 120 180 25 1.5 133 164 66.9 100 2.62
RB13015 130 160 15 0.6 137 152 25 46.7 0.72
RB13571 130 190 25 1.5 143 174 69.5 107 2.82
RB14016 140 175 16 1 147 162 25.9 50.1 1
RB14571 140 200 25 1.5 154 185 74.8 121 2.96
RB15013 150 180 13 0.6 157 172 27 53.5 0.68

RB15571 150 210 25 1.5 164 194 76.8 128 3.16
RB15030 150 230 30 1.5 173 211 100 156 5.3
RB16571 160 220 25 1.5 173 204 81.7 135 3.14
RB17571 170 220 20 1.5 184 198 29 62.1 2.21
RB18571 180 240 25 1.5 195 225 84 143 3.44
RB19571 190 240 25 1 202 222 41.7 82.9 2.99
RB20571 200 260 25 2 215 245 84.2 157 4
RB20030 200 280 30 2 221 258 114 200 6.7
RB20035 200 295 35 2 225 270 151 252 9.6
RB22571 220 280 25 2 235 265 92.3 171 4.1
RB24571 240 300 25 2.5 256 281 68.3 145 4.5
RB25571 250 310 25 2.5 265 290 69.3 150 5
RB25030 250 330 30 2.5 269 306 126 244 8.1
RB25040 250 355 40 2.5 275 326 195 348 14.8
RB30571 300 360 25 2.5 315 340 76.3 178 5.9
RB30035 300 395 35 2.5 322 368 183 367 13.4
RB30040 300 405 40 2.5 326 377 212 409 17.2
RB35571 350 400 20 2.5 363 383 54.1 143 3.9
RB40035 400 480 35 2.5 422 459 156 370 14.5
RB40040 400 510 40 2.5 428 479 241 531 23.5
RB45571 450 500 25 1 464 484 61.7 182 6.6
RB50571 500 550 25 1 514 534 65.5 201 7.3
RB50040 500 600 40 2.5 526 572 239 607 26
RB50050 500 625 50 2.5 536 587 267 653 41.7
RB60040 600 700 40 3 627 673 264 721 29
RB70045 700 815 45 3 731 777 281 836 46
RB80070 800 950 70 4 836 900 468 1330 105
RB90070 900 1050 70 4 937 1001 494 1490 120
RB1000110 1000 1250 110 5 1057 1171 1220 3220 360
RB1250110 1250 1500 110 5 1308 1423 1350 3970 440

RU series:

Designation

Size

Shoulder dimension

Basic Load rating

Quality

Model

d

D

Dpw

B

rmin

ds  Dh

Cr
kN

Cor
kN

Kg

RU28

10 52 27.3 8 0.3 24 29.5 29 24 0.12

RU42

20 70 41.5 12 0.6 37 47 7.35 8.35 0.29

RU66

35 95 66 15 0.6 59 74 17.5 22.3 0.62

RU85

55 120 85 15 0.6 79 93 20.3 29.5 1

RU124(G)
RU124X

80 165 124 22 1 114 134 33.1 50.9 2.6

RU148(G)
RU148X

90 210 148 25 1.5 133 162 49.1 76.8 4.9

RU178(G)
RU178X

115 240 178 28 1.5 161 195 80.3 135 6.8

RU228(G)
RU228X

160 295 227.5 35 2 208 246 104 173 11.4
RU297(G)
RU297X
210 380 297.3 40 2.5 272 320 156 281 21.3
RU445(G)
RU445X
350 540 445.4 45 2.5 417 473 222 473 3504

 

Packaging & Shipping

Packing:

Please contact us for more pictures of different packing.

Universal Packing

Without any logo on bearings or packing.

JDZ Packing

With our brand JDZ on bearings and packing.

Customized Packing

Depends on buyer’s requirements.

Original Brand Packing

Bearing and packing are both original. Please contact us for pictures.

 

QUALITY ASSURANCE

100% Quality inspection to ensure the bearings are with good quality before shipping. 

Company Profile

 

 

ZheJiang CZPT Precision Bearing Co.,Ltd. was founded by ZheJiang Defa Bearing Co.,Ltd, factory is located in ZheJiang province, China. 
We are a bearing manufacturer integrating the research, development and sales of bearings, with a floor area of 18,000 square meters and a plant area of 8,800 square meters. Equipped with modern production equipment and advanced detection instruments. 

We can provide all types bearings and OEM service according to customers’ requirements. 

Our products are widely used in the automobile, agricultural, textile production, mining, printing and packing industries, in addition to various applications at airports, in air-conditioning systems, conveying devices, ships ad so on. Our products are being exported to more than 50 countries and regions overseas including Singapore, Thailand, Iran, Turkey, Poland, Italy, England, France, Russia, Germany, the United States, Australia, Argentina, Brazil as well as other countries and regions all over the world.

We are a trusted and reliable bearing supplier, choose us to be your good partner!

More choices

 

FAQ

1. Q: Are you trading company or manufacturer ?
   A: We have our own factory , our type is factory + trade.

2. Q: Could you accept OEM and customize?
    A: Yes, we can customize products according to your sample or drawing.

3. Q: How long is your delivery time? 
    A: If stock, within 7 days to ship or based on your order quantity.

4. Q: Could you supply sample for free? 
    A: Yes, we can offer the sample for free,do you mind to buy a “ticket” for her?

More details, please contact with us. Thanks for your time!

 

 

/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Standard or Nonstandard: Standard
Feature: High Speed, Vacuum, Antimagnetic, Cold-Resistant, Corrosion-Resistant, Heat-Resistant
Sealing Gland: Non-Seal
Rolling-Element Number: Single-Row
Roller Type: Straight Raceway
Material: Bearing Steel
Samples:
US$ 0.1/Piece
1 Piece(Min.Order)

|
Request Sample

Customization:
Available

|

Customized Request

slewing bearing

Are there any Notable Advancements in Slewing Bearing Technology in Recent Years?

In recent years, there have been several notable advancements in slewing bearing technology, driven by the demand for improved performance, efficiency, and durability. Some key advancements include:

  • Enhanced Materials:

New material compositions, coatings, and surface treatments have been developed to improve the corrosion resistance, wear resistance, and overall longevity of slewing bearings. These advancements enable bearings to perform reliably in harsh environments.

  • Integrated Sensors:

Advancements in sensor technology have led to the integration of sensors within slewing bearings. These sensors monitor parameters such as temperature, load, and vibrations, providing real-time data for predictive maintenance and improving overall operational efficiency.

  • Sealing and Contamination Control:

New sealing technologies and designs have been introduced to enhance the sealing effectiveness of slewing bearings, preventing the ingress of contaminants and extending bearing life. These advancements are particularly beneficial in industries with demanding environmental conditions.

  • Smart Lubrication Systems:

Advanced lubrication systems have been developed, incorporating features like automatic lubrication and condition-based lubrication. These systems optimize lubrication levels, reducing friction and wear, and contributing to longer bearing life.

  • Improved Manufacturing Techniques:

Precision manufacturing techniques, such as advanced machining and forging methods, have improved the consistency and quality of slewing bearings. This results in bearings with tighter tolerances, better load distribution, and enhanced performance.

  • Finite Element Analysis (FEA) and Simulation:

FEA and simulation software have been employed to model and analyze the behavior of slewing bearings under various conditions. This technology aids in optimizing bearing design, load distribution, and durability.

  • Customization and Tailored Solutions:

Manufacturers are increasingly offering customized slewing bearing solutions to meet specific application requirements. This includes designing bearings for unique loads, dimensions, and operating conditions.

  • Digitalization and Industry 4.0 Integration:

Integration with Industry 4.0 principles has led to the development of connected and digitally-enabled slewing bearing solutions. This enables remote monitoring, data analysis, and predictive maintenance strategies.

These advancements collectively contribute to more reliable, efficient, and durable slewing bearings, meeting the evolving needs of industries across the board.

slewing bearing

How does Proper Lubrication Impact the Performance and Longevity of Slewing Bearings?

Proper lubrication plays a crucial role in enhancing the performance and extending the longevity of slewing bearings. Here’s how it impacts these aspects:

  • Reduced Friction and Wear:

Lubrication forms a protective layer between the rolling elements and raceways, reducing friction and wear. This minimizes surface contact and prevents metal-to-metal contact, leading to less wear and extended bearing life.

  • Heat Dissipation:

Lubrication helps dissipate heat generated during operation. Adequate heat management prevents overheating, which can otherwise lead to premature bearing failure and reduced efficiency.

  • Corrosion Protection:

Lubricants with anti-corrosion properties form a barrier that protects bearing surfaces from moisture and environmental contaminants. This is crucial in preventing rust and corrosion, especially in challenging operating environments.

  • Sealing Effect:

Lubrication can enhance the sealing effect of bearing seals, preventing the ingress of dust, dirt, and other particles. This maintains the integrity of the bearing’s internal components and reduces the risk of contamination-related failures.

  • Noise and Vibration Reduction:

Properly lubricated bearings generate less friction and operate more smoothly, resulting in reduced noise and vibration levels. This is particularly important in applications where noise reduction is essential.

  • Improved Efficiency:

Effective lubrication minimizes energy losses due to friction, leading to improved overall efficiency of machinery. This is significant in applications that require high performance and energy savings.

  • Prevention of Micro-Movements:

Lubrication helps prevent micro-movements between the rolling elements and raceways, reducing wear caused by repeated impacts and vibrations during operation.

  • Maintenance Reduction:

Proper lubrication reduces the need for frequent maintenance and replacement of bearings. This not only saves time and resources but also contributes to increased uptime and reduced operational disruptions.

  • Longevity:

By reducing wear, preventing corrosion, and managing heat, proper lubrication significantly extends the lifespan of slewing bearings. This, in turn, contributes to improved equipment reliability and reduced lifecycle costs.

In conclusion, proper lubrication is essential for optimizing the performance, efficiency, and durability of slewing bearings. Regular maintenance and adherence to manufacturer-recommended lubrication intervals ensure that the bearings operate smoothly and consistently over their operational life.

slewing bearing

What are the Advantages of Using Slewing Bearings in Industrial Applications?

Slewing bearings offer several advantages that make them valuable components in various industrial applications. Some of the key advantages include:

  • High Load-Carrying Capacity: Slewing bearings are designed to handle significant axial, radial, and moment loads simultaneously, making them suitable for heavy-duty industrial equipment.
  • Space and Weight Savings: Slewing bearings enable compact designs by combining axial and radial bearing functions into a single unit. This helps save space and reduces the overall weight of machinery.
  • Smooth Rotational Movement: The design of slewing bearings ensures smooth and precise rotation, contributing to the efficiency and performance of machinery and equipment.
  • Minimal Maintenance: Properly lubricated slewing bearings require minimal maintenance due to their robust construction and efficient load distribution.
  • Enhanced Durability: Slewing bearings are built to withstand harsh environmental conditions, heavy loads, and repetitive movements, leading to long service life.
  • Cost Efficiency: Despite their initial investment, the extended lifespan and low maintenance requirements of slewing bearings result in cost savings over time.
  • Customizability: Slewing bearings can be tailored to specific application requirements, including size, load capacity, and sealing options.
  • Precise Positioning: Slewing bearings with integral gearing systems allow for accurate positioning, making them ideal for applications that demand controlled movement.
  • Versatility: They are used in a wide range of industries, including construction, manufacturing, energy, transportation, and more.
  • Reduced Friction and Wear: The rolling-element design of slewing bearings reduces friction and wear, contributing to efficient operation and extended component life.

Overall, the advantages of slewing bearings make them indispensable in industrial applications where reliable and efficient rotational movement is required.

China factory Crbh Series Robot Arm Ru124 (G) Ru124X Ru148 (G) Cross Cylindrical Roller Slewing Bearings Crbh Joint Bearing   bearing assemblyChina factory Crbh Series Robot Arm Ru124 (G) Ru124X Ru148 (G) Cross Cylindrical Roller Slewing Bearings Crbh Joint Bearing   bearing assembly
editor by CX 2024-05-15