Thin section bearings
Thin section bearings, are a specially designed bearing, which is characterized by thin inner and outer ring wall thickness, small cross-sectional dimensions, light weight, and high rigidity and load-bearing capacity.
Keywords:
Thin section bearings
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Product Details
Zhengzhou Sinomach Precision Industry Development Co., Ltd. is a professional thin section bearings manufacturer, providing reliable bearing solutions for applications that require lightweight, compact design, high precision or low friction.
We supply standard thin section bearings and can customize inch series as well as non-standard series products for customers, manufactured to meet specific application requirements.
Introduction of Thin section bearings
Thin section bearings, are a specially designed bearing, which is characterized by thin inner and outer ring wall thickness, small cross-sectional dimensions, light weight, and high rigidity and load-bearing capacity. This type of bearing is mainly used in situations that require lightweight, compact design, high precision or low friction.
Item | Details |
|---|---|
Inner Diameter Range | From 1.000" to 40.000" |
Cross-section Size | From 0.1875" × 0.1875" to 1.000" × 1.000" |
Thin Section Bearings Type | Radial contact (type C) Angular contact (type A) Four-point contact (type X) |
Customizable Properties | Internal clearances, contact angles, lubrication modes, cage structures |
Application | Robots, Medical equipment, Semiconductor manufacturing equipment, Optical equipment , Automation equipment |
Cage Structures | Crown Cage、Riveted Cage、Ribbon Cage |
Classification of Thin Section Bearing
The covers of thin section bearing are mainly divided into three types, ZZ, 2RS and OPEN.
Thin section bearings come in various common structures and types tailored to specific application requirements. Some of the common structures include deep groove ball bearings, angular contact ball bearings, cross roller bearing, and tapered roller bearings.
We can also provide uniform cross-section thin-walled bearings. The cross-section of each series are designed to be a fixed size, which do not increase as an inner diameter increased.
We can also customize the inch series and non-standard series thin section bearings for customers.
Application fields of thin section bearings
Due to their lightweight, compact structure and high precision, thin section bearings are widely used in the following fields:
∗ Robots (such as robotic arm joints, collaborative robots)
∗ Medical equipment (such as CT machines, MRI scanners, surgical robots)
∗ Semiconductor manufacturing equipment (such as wafer processing equipment)
∗ Optical equipment (such as astronomical telescopes, camera pan/tilts)
∗ Automation equipment (such as industrial machinery, precision transmission systems)
Features of Thin Section Bearings
∗ Compact Size
∗ Lightweight Construction
∗ Precision Engineering
∗ Low Friction
∗ Robust Load Handling
Why choose our Thin Section Bearings?
∗ We have total assets of 2.06 billion RMB, own one research and development center, three industrial bases and cover an area of more than 47 hectares. We have advanced bearing manufacturing equipments and world first-class testing equipments and have solid strength in manufacturing, measuring and testing of bearing and related components with high precision and high reliability. We have more than 380 technical staff of bearing related disciplines, thus we maintain a leading position in the aspects of bearing design, basic theoretical research, lubrication technology, metallic and non-metallic materials, testing and industry standards.
∗ For thin section bearing, we have a workshop of 16,000 square meters, and has the most advanced constant temperature grinding workshop of nearly 10,000 square meters and 4,000 square meters of 10,000-class clean assembly room. We have nearly 300 sets of precision processing equipment and more than 500 sets of various precision testing instruments.
∗The precision bearing laboratory has more than 100 test equipments, which can test precision bearings with an inner diameter of 17~200mm, and a maximum test speed of 90000r/min. They can test performance indicators such as bearing limit speed, temperature rise, life, stiffness, dustproof, bearing vibration spectrum, noise, etc.
FAQ 1: What are thin section bearings and how do they differ from standard bearings?
Answer:
Thin section bearings are precision-engineered bearings with an exceptionally small cross-section compared to their diameter. Unlike standard bearings, thin section bearings maintain the same cross-sectional thickness as the bore diameter increases. This unique design allows for space and weight savings in compact and lightweight applications, such as robotics, medical devices, and precision machinery. Thin section bearings often come in three main types: radial contact, angular contact, and four-point contact.
FAQ 2: How should thin section bearings be maintained to ensure optimal performance and service life?
Answer:
Proper maintenance is essential to ensure the long-term performance and reliability of thin section bearings. Key maintenance practices include:
• Lubrication management: Use the correct type and amount of lubricant (grease or oil) based on application requirements. Check and replenish or replace lubricants at recommended intervals to prevent wear or corrosion.
• Clean environment: Thin section bearings are sensitive to contamination. Ensure the working environment is clean and implement proper sealing or shielding to prevent ingress of dust, moisture, or other foreign particles.
• Correct handling: Avoid impacts or rough handling during installation or servicing. Use appropriate tools to prevent deformation or contamination of raceways and rolling elements.
• Regular inspections: Monitor for signs of vibration, noise, excess heat, or abnormal torque—all of which may indicate bearing wear, misalignment, or lubrication failure.
• Proper storage: Store bearings in a dry, clean, temperature-controlled environment, in their original packaging, away from direct sunlight or corrosive substances.
Following these maintenance best practices helps extend bearing life, improve equipment uptime, and maintain precision performance in demanding applications.
FAQ 3: What factors should be considered when selecting a thin section bearing?
Answer:
When selecting a thin section bearing, key factors to consider include:
• Load requirements (radial, axial, moment)
• Speed and precision needed
• Bearing type (radial, angular contact, or four-point contact)
• Material selection
• Lubrication (grease or oil, based on application conditions)
• Operating environment (temperature, humidity, vibration, contamination)
Proper selection ensures optimal performance, extended bearing life, and enhanced safety in high-precision applications.
Technical parameters of Thin Section Bearings
Width 8mm size series | |||||||
Bearing designations | Dimensions (mm) | Load (KN) | Weight (kg) | ||||
d | D | B | rs | Cor | Cr | ||
ZJ02508C | 25 | 41 | 8 | 0.3 | 3.0 | 2.6 | 0.06 |
ZJ05008C | 50 | 66 | 8 | 0.3 | 5.6 | 3.5 | 0.08 |
ZJ06008C | 60 | 76 | 8 | 0.3 | 6.6 | 3.8 | 0.09 |
ZJ07008C | 70 | 86 | 8 | 0.3 | 7.6 | 4.2 | 0.10 |
ZJ08008C | 80 | 96 | 8 | 0.3 | 8.6 | 4.5 | 0.11 |
ZJ09008C | 90 | 106 | 8 | 0.3 | 9.6 | 4.8 | 0.13 |
ZJ10008C | 100 | 116 | 8 | 0.3 | 10.6 | 5.1 | 0.14 |
ZJ11008C | 110 | 126 | 8 | 0.3 | 11.6 | 5.3 | 0.15 |
ZJ12008C | 120 | 136 | 8 | 0.3 | 12.6 | 5.6 | 0.16 |
ZJ13008C | 130 | 146 | 8 | 0.3 | 13.6 | 5.9 | 0.17 |
ZJ14008C | 140 | 156 | 8 | 0.3 | 14.7 | 6.1 | 0.18 |
ZJ15008C | 150 | 166 | 8 | 0.3 | 15.7 | 6.4 | 0.20 |
ZJ16008C | 160 | 176 | 8 | 0.3 | 16.7 | 6.6 | 0.20 |
ZJ17008C | 170 | 186 | 8 | 0.3 | 17.7 | 6.9 | 0.20 |
ZJ18008C | 180 | 196 | 8 | 0.3 | 18.7 | 7.1 | 0.21 |
ZJ19008C | 190 | 206 | 8 | 0.3 | 19.4 | 7.3 | 0.21 |
ZJ20008C | 200 | 216 | 8 | 0.3 | 20.5 | 7.5 | 0.22 |
ZJ25008C | 250 | 266 | 8 | 0.3 | 25.5 | 8.5 | 0.28 |
ZJ30008C | 300 | 316 | 8 | 0.3 | 30.6 | 9.5 | 0.35 |
ZJ32008C | 320 | 336 | 8 | 0.3 | 32.6 | 9.9 | 0.39 |
ZJ34008C | 340 | 356 | 8 | 0.3 | 34.6 | 10.2 | 0.42 |
ZJ36008C | 360 | 376 | 8 | 0.3 | 36.4 | 10.5 | 0.46 |
Width 13mm size series | |||||||
Bearing designations | Dimensions (mm) | Radial load (KN) | Weight (kg) | ||||
d | D | B | rs | Cor | Cr | ||
ZJ02513C | 25 | 51 | 13 | 1 | 5.2 | 5.4 | 0.11 |
ZJ05013C | 50 | 76 | 13 | 1 | 9.1 | 7.0 | 0.18 |
ZJ06013C | 60 | 86 | 13 | 1 | 11.0 | 7.8 | 0.21 |
ZJ07013C | 70 | 96 | 13 | 1 | 12.3 | 8.2 | 0.24 |
ZJ08013C | 80 | 106 | 13 | 1 | 13.6 | 8.6 | 0.26 |
ZJ09013C | 90 | 116 | 13 | 1 | 15.5 | 9.3 | 0.29 |
ZJ10013C | 100 | 126 | 13 | 1 | 16.8 | 9.7 | 0.32 |
ZJ11013C | 110 | 136 | 13 | 1 | 18.8 | 10.4 | 0.35 |
ZJ12013C | 120 | 146 | 13 | 1 | 20.0 | 10.7 | 0.38 |
ZJ13013C | 130 | 156 | 13 | 1 | 21.3 | 11.1 | 0.41 |
ZJ14013C | 140 | 166 | 13 | 1 | 23.3 | 11.7 | 0.44 |
ZJ15013C | 150 | 176 | 13 | 1 | 24.6 | 12.0 | 0.46 |
ZJ16013C | 160 | 186 | 13 | 1 | 25.9 | 12.4 | 0.49 |
ZJ17013C | 170 | 196 | 13 | 1 | 27.8 | 12.9 | 0.52 |
ZJ18013C | 180 | 206 | 13 | 1 | 29.1 | 13.3 | 0.55 |
ZJ19013C | 190 | 216 | 13 | 1 | 30.4 | 13.6 | 0.58 |
ZJ20013C | 200 | 226 | 13 | 1 | 32.3 | 14.1 | 0.61 |
ZJ25013C | 250 | 276 | 13 | 1 | 40.1 | 16.0 | 0.75 |
ZJ30013C | 300 | 326 | 13 | 1 | 47.2 | 17.5 | 0.89 |
ZJ32013C | 320 | 346 | 13 | 1 | 50.4 | 18.2 | 0.95 |
ZJ34013C | 340 | 366 | 13 | 1 | 53.7 | 18.9 | 1.01 |
ZJ36013C | 360 | 386 | 13 | 1 | 56.9 | 19.5 | 1.06 |
Width 20mm size series | |||||||
Bearing designations | Dimensions (mm) | Radial load (KN) | Weight (kg) | ||||
d | D | B | rs | Cor | Cr | ||
ZJ02520C | 25 | 65 | 20 | 1.1 | 10.2 | 11.8 | 0.34 |
ZJ05020C | 50 | 90 | 20 | 1.1 | 16.0 | 14.1 | 0.51 |
ZJ06020C | 60 | 100 | 20 | 1.1 | 17.5 | 14.5 | 0.58 |
ZJ07020C | 70 | 110 | 20 | 1.1 | 20.4 | 15.7 | 0.65 |
ZJ08020C | 80 | 120 | 20 | 1.1 | 21.8 | 16.2 | 0.72 |
ZJ09020C | 90 | 130 | 20 | 1.1 | 24.7 | 17.3 | 0.80 |
ZJ10020C | 100 | 140 | 20 | 1.1 | 26.2 | 17.7 | 0.86 |
ZJ11020C | 110 | 150 | 20 | 1.1 | 29.1 | 18.8 | 0.94 |
ZJ12020C | 120 | 160 | 20 | 1.1 | 32.0 | 19.8 | 1.01 |
ZJ13020C | 130 | 170 | 20 | 1.1 | 33.5 | 20.2 | 1.08 |
ZJ14020C | 140 | 180 | 20 | 1.1 | 36.4 | 21.2 | 1.15 |
ZJ15020C | 150 | 190 | 20 | 1.1 | 37.8 | 21.6 | 1.20 |
ZJ16020C | 160 | 200 | 20 | 1.1 | 40.7 | 22.5 | 1.30 |
ZJ17020C | 170 | 210 | 20 | 1.1 | 43.6 | 22.9 | 1.40 |
ZJ18020C | 180 | 220 | 20 | 1.1 | 45.1 | 23.8 | 1.50 |
ZJ19020C | 190 | 230 | 20 | 1.1 | 48.0 | 24.7 | 1.50 |
ZJ20020C | 200 | 240 | 20 | 1.1 | 49.5 | 25.1 | 1.60 |
ZJ25020C | 250 | 290 | 20 | 1.1 | 61.1 | 28.2 | 2.10 |
ZJ30020C | 300 | 340 | 20 | 1.1 | 72.7 | 31.1 | 2.30 |
ZJ32020C | 320 | 360 | 20 | 1.1 | 77.1 | 32.1 | 2.42 |
ZJ34020C | 340 | 380 | 20 | 1.1 | 81.4 | 33.1 | 2.54 |
ZJ36020C | 360 | 400 | 20 | 1.1 | 85.8 | 34.1 | 2.70 |
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Headquarter: East Wing Building, No. 121 Wutong Street, High-Tech Industrial Development Zone, Zhengzhou City, Henan Province, China
No. 1 Factory Address: No. 6 Fenghua Road, Luoyang City, Henan Province, China
No. 2 Factory Address: No. 1 Sanxi Road, Science and Technology Industrial Park, Jianxi District, Luoyang City, Henan Province, China
No. 3 Factory Address: Yibin Industrial Technology Park, Yibin District, Luoyang City, Henan Province, China
