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Jiangsu Manchen Transmission Technology Co., Ltd. Home / Product / Single Row Cross-Roller Slewing Bearing
  • Single Row Cross-Roller Slewing Bearing
  • Single Row Cross-Roller Slewing Bearing

Single Row Cross-Roller Slewing Bearing

The single-row crossed roller bearing utilizes a design with single-row crossed rollers, which not only enhances load-bearing capacity but also strengthens equipment stability. The precise coordination between rollers and raceways ensures high precision and smoothness during rotation, making our slewing bearing applicable in various fields such as engineering machinery, wind power generation, port machinery, and more.

Our single-row crossed roller slewing bearing is renowned for its high load-carrying capacity and reliability. The design of crossed rollers enables each roller to evenly share the load, thus enhancing the overall bearing capacity. This design also reduces friction coefficients, minimizes energy loss, and improves equipment efficiency. Flexible installation methods are employed in the design of the single-row crossed roller slewing bearing to meet diverse user needs. Whether installed horizontally or vertically, it can be easily achieved. Moreover, the bearing demonstrates adaptability, ensuring stable operation in harsh environments such as high temperatures, high humidity, and corrosion. Maintenance-wise, our design prioritizes convenience, making routine inspections and maintenance simple and efficient.

Our slewing bearing undergoes rigorous quality control and durability testing, ensuring product reliability and durability in various adverse environments. We provide comprehensive technical support and customization services to meet specific customer requirements, ensuring customers receive suitable slewing-bearing solutions for their application scenarios. Choosing our slewing bearing means opting for outstanding performance and quality service. We look forward to collaborating with you to drive the success of engineering projects.

CONTACT US Jiangsu Manchen Transmission Technology Co., Ltd.

Technical Characteristics

11 series of basic parameters
Serial number Basic Size Configuration Size Mounting Size Structural Size Gear Data Outer Gear Data Inner Gear Data
No teeth Outerine teeth Inner teeth D d H D1 D2 Bolt Hole Screw Hole n n1 D3 d1 H1 h b m da Z da Z
Type 0 Type 123
D0 D0 D0 ∅ ∅ T
1 110.25.500 111.25.500 113.25.500 602 398 75 566 434 18 M16 32 20 4 498 502 65 10 60 5 629 123 367 74
112.25.500 114.25.500 6 628.8 102 368.4 62
2 110.25.560 111.25.560 113.25.560 662 458 75 626 494 18 M16 32 20 4 558 562 65 10 60 5 689 135 427 86
112.25.560 114.25.560 6 688.8 112 428.4 72
3 110.25.630 111.25.630 113.25.630 732 528 75 696 564 18 M16 32 24 4 628 632 65 10 60 6 772.8 126 494.4 83
112.25.630 114.25.630 8 774.4 94 491.2 62
4 110.25.710 111.25.710 113.25.710 812 608 75 776 644 18 M16 32 24 4 708 712 65 10 60 6 850.8 139 572.4 96
112.25.710 114.25.710 8 854.4 104 571.2 72
5 110.28.800 111.28.800 113.28.800 922 678 82 878 722 22 M20 40 30 6 798 802 72 10 65 8 966.4 118 635.2 80
112.28.800 114.28.800 10 968 94 634 64
6 110.28.900 111.28.900 113.28.900 1022 778 82 978 822 22 M20 40 30 6 898 902 72 10 65 8 1062.4 130 739.2 93
112.28.900 114.28.900 10 1068 104 734 74
7 110.28.1000 111.28.1000 113.28.1000 1122 878 82 1078 922 22 M20 40 36 6 998 1002 72 10 65 10 1188 116 824 83
112.28.1000 114.28.1000 12 1185.6 96 820.8 69
8 110.25.1120 111.28.1120 113.28.1120 1242 998 82 1198 1042 22 M20 40 36 6 1118 1122 72 10 65 10 1298 127 944 95
112.25.1120 114.25.1120 12 1305.6 106 940.8 79
9 110.32.1250 111.32.1250 113.32.1250 1390 1110 91 1337 1163 26 M24 48 40 5 1248 1252 81 10 75 12 1449.6 118 1048.8 88
112.32.1250 114.32.1250 14 1453.2 101 1041.6 75
10 110.32.1400 111.32.1400 113.32.1400 1540 1260 91 1487 1313 26 M24 48 40 5 1398 1402 81 10 75 12 1605.6 131 1192.8 100
112.32.1400 114.32.1400 14 1607.2 112 1195.6 86
11 110.32.1600 111.32.1600 113.32.1600 1740 1460 91 1687 1513 26 M24 48 45 5 1598 1602 81 10 75 14 1817.2 127 1391.6 100
112.32.1600 114.32.1600 16 1820.8 111 1382.4 87
12 110.32.1800 111.32.1800 113.32.1800 1940 1660 91 1887 1713 33 M24 48 45 5 1798 1802 81 10 75 14 2013.2 141 1573.6 113
112.32.1800 114.32.1800 16 2012.8 123 1574.4 99
13 110.40.2000 111.40.2000 113.40.2000 2178 1825 112 2110 1891 33 M30 60 48 8 1997 2003 100 12 90 16 2268.8 139 1734.4 109
112.40.2000 114.40.2000 18 2264.4 123 1735.2 97
14 110.40.2240 111.40.2240 113.40.2240 2418 2065 112 2350 2131 33 M30 60 48 8 2237 2243 100 12 90 16 2492.8 153 1990.4 125
112.40.2240 114.40.2240 18 2498.4 136 1987.2 111
15 110.40.2500 111.40.2500 113.40.2500 2678 2325 112 2610 2391 33 M30 60 56 8 2497 2503 100 12 90 18 2768.4 151 2239.2 125
112.40.2500 114.40.2500 20 2776 136 2228 112
16 110.40.2800 111.40.2500 113.40.2500 2978 2625 112 2910 2691 33 M30 60 56 8 2797 2803 100 12 90 18 3074.4 168 2527.2 141
112.40.2800 114.40.2800 20 3076 151 2528 127
17 110.50.3150 111.50.3150 113.50.3150 3376 2922 134 3286 3014 45 M42 84 56 8 3147 3153 122 12 110 20 3476 171 2828 142
112.50.3150 114.50.3150 22 3471.6 155 2824.8 129
18 110.50.3550 111.50.3550 113.50.3550 3776 3322 134 3686 3414 45 M42 84 56 8 2547 3553 122 12 110 20 3976 191 3228 162
112.50.3550 114.50.3550 22 3889.6 174 3220.8 147
19 110.50.4000 111.50.4000 113.50.4000 4226 3772 134 4136 3864 45 M42 84 60 10 3997 4003 122 12 110 22 4329.6 194 3660.8 167
112.50.4000 114.50.4000 25 4345 171 3660 147
20 110.50.4500 111.50.4500 113.50.4500 4726 4272 134 4636 4364 45 M42 84 60 10 4497 4503 122 12 110 22 4835.6 217 4166.8 190
112.50.4500 114.50.4500 25 4845 191 4160 167
HJ series of basic parameters
Serial number Basic Size Configuation Size Mounting Size Structural Size Gear Data Outer Gear Data Inner Gear Data
No teeth
DL mm		 Outerine teeth
DL mm		 Inner teeth
DL mm		 D
 mm		 d
 mm		 H
 mm		 D1
 mm		 D2
 mm		 n ∅
 mm		 n1 d1
mm		 D3
 mm		 H1 h b
mm		 x m
mm		 Da
mm		 Z Da
mm		 Z
1 HJB.20.625 HJW.20.625 HJN.20.625 725 525 80 685 565 18 16 3 627 623 68 12 60 -1.4 5 751.9 146 498.8 101
HJW.20.625A HJN.20.625A ➕11.15 6 755.5 122 498.7 84
2 HJB.20.720 H.IW.20.720 HJN 20.720 820 620 80 780 660 18 16 3 722 718 68 12 60 -1.4 6 860.3 139 586.6 99
HJW.20.720A HUN.20.720A -1 8 861.1 104 582.3 74
3 HJB.30.820 HJW.30.820 HJN.30.820 940 705 95 893 749 24 20 4 822 818 83 12 70 -1.4 6 980.6 1.59 661.5 112
HJW.30.820A HJN.30.820A -1 10 986.2 95 658 67
4 HJB.30.880 HJW.30.880 HJN 30 830 1000 760 95 956 800 24 20 4 882 878 83 12 70 ➕1.15 8 10475 127 7182 91
HJW.30.800A HJN.30.830A -10 10 10463 101 707 B 72
5 HJB.30.1020 HJW.30.1020 HJN 30.1020 1170 675 95 1120 930 24 22 4 1022 1018 80 15 70 -1.4 8 1219.3 148 820.1 105
HJW 30.1020A HJN.30.1020A ➕1.15 18 12192 118 827.8 84
6 HJ8.36.1220 HJw.38.1220 HJN.36.1220 1365 1075 120 1310 1100 36 24 6 1222 1218 105 15 90 -1.4 10 1424.3 138 1027.8 104
HJW 36.1220A HJN 36.1220A -1 12 1435.9 116 1017.8 88
7 HJB.36.1250 HJw.36.1250 HJN.36.1250 1400 1090 120 1350 1150 36 26 6 1252 1248 105 15 90 -0.35 10 1443 143 1037 105
HJW.36.1250A HUN.36.1250A -1 12 1449.8 117 1036.8 88
8 HJB.36.1435 HJW.36.1435 HJN.36.1435 1595 1278 120 1535 1335 36 26 6 1437 1433 105 15 90 ➕1.15 12 16555 134 12212 108
HJW.38.1435A HJN 36.1435A -1 14 1661.2 115 1214.8 83
9 HJB.45.1540 HJW.45.1540 HJN.45.1540 1720 1360 140 1660 1420 42 26 6 1543 1537 122 18 110 -1.4 12 1780.8 144 1298.1 109
HJW.45.1540A HJN.45.1540A ➕1.15 14 1781.1 124 1201 93
10 HJB.45.1700 HJW 45.1700 HJN. 45.1700 1875 1525 140 1815 1585 42 28 6 1700 1679 122 18 110 ➕1.15 14 1948.4 135 1452.7 105
HJW.45.1700A HJN.45.1700A ➕1.15 16 1950.8 118 1452.3 92

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About us
Jiangsu Manchen Transmission Technology Co., Ltd.
Jiangsu Manchen Transmission Technology Co., Ltd.

Jiangsu Manchen Transmission Technology Co., Ltd was established in 2019. We are reliable Single Row Cross-Roller Slewing Bearing manufacturer and supplier in China. We are also a professional slewing-bearing manufacturing enterprise integrating design, research and development, manufacturing, and sales. The company is located in Huangtu Town, Jiangyin City, Jiangsu Province, with very convenient transportation. The company has mature technical conditions and well-equipped equipment. Its products are widely used in industrial robots, medical equipment, engineering machinery, port machinery, environmental protection equipment, photovoltaic industry, and other fields. The company always adheres to the corporate business philosophy of "quality first, win-win cooperation" to provide high-quality services and reliable products for new and old customers. Provide enterprises with a full range of solutions to help them improve their management level and production capacity so that enterprises can always maintain competitiveness in the fierce market competition and achieve rapid and stable development of enterprises.
We can offer custom Single Row Cross-Roller Slewing Bearing, from design to manufacturing. our factory has own slewing bearing production line.

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Methods for improving the load capacity and precision of single-row crossed roller slewing bearings

Improving the load capacity and precision of single-row crossed roller slewing bearings involves optimizing various design, manufacturing, and operational factors. Here are some methods to enhance these attributes:
Material Selection:High-Strength Materials: Use high-strength, wear-resistant materials for the raceways and rollers, such as advanced steel alloys or composites, to increase load capacity and durability.
Surface Treatments: Apply surface treatments or coatings, such as nitriding or hardening, to enhance the hardness and wear resistance of the bearing components.Precision Manufacturing:High-Precision Machining: Utilize advanced machining techniques and equipment to achieve high precision in manufacturing the raceways and rollers, ensuring tight tolerances and smooth surfaces.Rigorous Quality Control: Implement stringent quality control measures to detect and correct any deviations or defects during the manufacturing process.
Enhanced Design:Optimized Roller Geometry: Design rollers with optimized geometries to improve load distribution and reduce localized stress concentrations. This can enhance both load capacity and precision.Improved Raceway Design: Ensure the raceways are designed with accurate profiles to reduce friction and wear, which can contribute to better load handling and precise motion.
Lubrication:Advanced Lubricants: Use high-quality lubricants with appropriate viscosities and additives to reduce friction and wear, which helps in maintaining both load capacity and precision.Effective Lubrication Systems: Implement automatic or centralized lubrication systems to ensure consistent and adequate lubrication of the bearing components.Assembly and Alignment:Proper Assembly: Ensure precise assembly of the bearing components to avoid misalignment or irregularities that could affect performance and precision.Accurate Alignment: Properly align the bearing during installation to ensure even load distribution and prevent unnecessary stresses that could compromise load capacity and precision.
Load Distribution:Uniform Load Distribution: Design the bearing and its mounting to promote uniform load distribution across all rollers, reducing the risk of localized overloads and improving overall load capacity.Minimize Moment Loads: Where possible, minimize moment loads and eccentricities that can affect the bearing's load capacity and precision.
Temperature Management:Temperature Control: Implement measures to manage operating temperatures, as excessive heat can affect lubricant performance and material properties, potentially impacting load capacity and precision.Thermal Expansion Considerations: Account for thermal expansion in the bearing design and installation to maintain precise tolerances under varying temperatures.
Maintenance Practices:Regular Inspections: Perform regular inspections to detect early signs of wear, damage, or misalignment. Addressing these issues promptly can help maintain load capacity and precision.Preventive Maintenance: Follow a preventive maintenance schedule that includes lubrication, cleaning, and adjustments to ensure optimal performance.
Advanced Technologies:Finite Element Analysis (FEA): Use FEA and other simulation tools during the design phase to predict and optimize load distribution, stress, and performance of the bearing.Innovative Design Features: Explore the incorporation of advanced design features, such as enhanced seals or damping systems, to improve load handling and precision.
Customization:Tailored Solutions: Customize the bearing design to meet specific application requirements, including load capacities and precision levels. Tailored solutions can address unique challenges and enhance overall performance.Training and Expertise:Expertise in Installation: Ensure that installation is carried out by trained professionals with expertise in handling and setting up high-precision bearings.Continuous Improvement: Stay updated with industry advancements and incorporate best practices into the design, manufacturing, and maintenance processes.
Improving the load capacity and precision of single-row crossed roller slewing bearings involves optimizing material selection, manufacturing processes, design features, and maintenance practices. By addressing these areas, you can enhance the bearing's performance, durability, and accuracy, ensuring it meets the demands of various high-load and high-precision applications.

Advantages of using single-row crossed roller slewing bearings in high-precision applications

Single-row crossed roller slewing bearings are particularly advantageous in high-precision applications due to their unique design and performance characteristics. Here are the key advantages:
High Precision and Accuracy:Minimal Rotational Clearance: The crossed roller design features alternating orthogonal arrangements of cylindrical rollers, which reduces rotational clearance and provides high rigidity. This leads to precise positioning and smooth rotational motion, which is crucial for high-precision applications like robotics, medical equipment, and aerospace systems.Reduced Deformation Under Load: The crossed roller arrangement distributes loads more evenly, minimizing deformation of the bearing under varying loads and ensuring consistent precision.
High Load Capacity in All Directions:Combined Load Handling: Single-row crossed roller slewing bearings can simultaneously handle axial, radial, and moment loads due to their unique design. This is especially useful in applications that experience multi-directional forces or dynamic loads.Optimized Load Distribution: The crossed arrangement of rollers provides a larger contact surface and better load distribution compared to ball bearings, increasing both radial and axial load capacities.
Compact Design:Space-Saving: The design of single-row crossed roller slewing bearings allows for a more compact assembly compared to other types of bearings that require multiple rows or larger dimensions for similar load capacities. This is beneficial for high-precision applications where space and weight are constraints, such as in surgical robots or compact industrial machinery.Lightweight Construction: The compact design reduces the overall weight of the bearing, which is advantageous in applications where minimizing weight is crucial, such as aerospace components.
High Rigidity:Increased Stiffness: The crossed roller design inherently provides higher stiffness and rigidity compared to ball bearings. This rigidity reduces the deflection of the bearing under load, which is critical for maintaining precision in applications like CNC machines, where even slight movements can affect machining accuracy.
Smooth and Stable Motion:Reduced Friction and Vibration: The unique rolling contact of crossed roller bearings results in lower friction and less vibration during operation. This leads to smoother and more stable motion, which is essential for high-precision applications such as measuring instruments and imaging equipment.Low Noise Operation: The smooth motion of the rollers reduces operational noise, making them ideal for applications that require quiet operation, such as medical diagnostic devices.
Long Service Life:Reduced Wear and Tear: The optimal load distribution and reduced friction in single-row crossed roller slewing bearings lead to less wear and tear on the bearing components. This translates to a longer service life, which is beneficial for applications requiring high reliability and low maintenance.Less Frequent Maintenance: Due to their durability and stability, these bearings often require less frequent maintenance, reducing downtime in critical operations.
Versatility Across Applications:Adaptable to Various Conditions: The ability to handle both high loads and maintain high precision makes single-row crossed roller slewing bearings suitable for a wide range of high-precision applications, from robotic arms to optical equipment and semiconductor manufacturing.Customization for Specific Needs: These bearings can be customized in terms of size, preload, and material to meet specific application requirements, providing further versatility and adaptability.
High Reliability in Critical Applications:Consistent Performance: The design ensures reliable and repeatable performance, which is crucial in critical applications where precision and reliability are non-negotiable, such as in surgical robotics or satellite positioning systems.Reduced Backlash: The crossed roller design inherently reduces backlash, which is essential for applications where precise movement and repeatability are required.
Enhanced Safety and Control:Improved Safety Features: In applications such as medical or aerospace, where safety is paramount, the high precision and reliability of crossed roller slewing bearings reduce the risk of malfunctions, ensuring safer operation.Better Control Over Movements: The high rigidity and minimal backlash allow for better control over movements, which is vital in automation and robotics applications.
Single-row crossed roller slewing bearings provide numerous advantages in high-precision applications, including high load capacity, compact design, high rigidity, smooth motion, long service life, and versatility. These attributes make them an excellent choice for industries where precision, reliability, and efficient performance are critical.