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China Hot selling GEZ 34 ET 2RS Radial Spherical Plain Bearing with Oil Groove, Oil Holes for Engineering Machinery drive shaft bearing

Product Description

GEZ 34 ET 2RS Radial Spherical Plain Bearing with Oil Groove, Oil Holes for Engineering Machinery


Spherical Plain Bearings have an inner ring with a sphere convex outside surface and an outer ring with a correspondingly sphere,
but concave inside surface. Their design makes them particularly suitable for bearing arrangements where alignment movements 
between shaft and housing have to accommodate, or where oscillating or recurrent tilting movements must be permitted at relatively
slow sliding speeds.

GEZ ET 2RS Series Radial Spherical Plain Bearing

Product Name Spherical Plain Bearing
Precision Rating P6, P0, P5, P4, P2
Material Bearing Steel  (GCr15)
Clearance C0 C1 C2 C3 
Vibration & Noisy Z1,Z2,Z3 V1,V2,V3
Sliding Contact Steel-on-Steel
Features High Precision, High Speed, Long Life, High Reliability, Low Noise , Reduce Friction
Certification ISO 9001:2008
Packing 1.Neutral Packing Bearing  2.Industrial Packing  3.Commercial Packing Bearing  4.Customize
Delivery Time 30 – 45 Days After The Order is Confirmed
Shippment 1.By Sea  2.By Air  3.By Express
Website http://hlimachinery

GEZ ET-2RS Series Spherical Plain Bearing Specification      

Model Dimensions (mm) Load ratings (KN) Mass
d D B C  dk rs r1s α C C0 kg
min min
GEZ 19 ET 2RS 19.05 31.75 16.662 14.275 27.5 0.3 0.6 6 50 117 0.053
GEZ 22 ET 2RS 22.225 36.513 19.431 16.662 32 0.3 0.6 6 69 160 0.085
GEZ 25 ET 2RS 25.4 41.275 22.225 19.05 36.5 0.3 0.6 6 104 250 0.121
GEZ 31 ET 2RS 31.75 50.8 27.762 23.8 45.5 0.6 0.6 6 160 390 0.23
GEZ 34 ET 2RS 34.925 55.563 30.15 26.187 49 0.6 1 6 190 460 0.35
GEZ 38 ET 2RS 38.1 61.913  33.325 28.575 54.7 0.6 1 6 235 560 0.42
GEZ 44 ET 2RS 44.45 71.438 38.887 33.325 63.9 0.6 1 6 320 765 0.64
GEZ 50 ET 2RS 50.8 80.963 44.45 38.1 73 0.6 1 6 415 1000 0.93
GEZ 57 ET 2RS 57.15 90.488 50.013 42.85 82 0.6 1 6 525 1260 1.3
GEZ 63 ET 2RS 63.5 100.013 55.55 47.624 92 1 1 6 655 1570 1.85
GEZ 69 ET 2RS 69.85 111.125 61.112 52.375 100 1 1 6 785 1880 2.4
GEZ 76 ET 2RS 76.2 120.65 66.675 57.15 109.5 1 1 6 935 2250 3.1
GEZ 82 ET 2RS 82.55 130.175 72.238 61.9 119 1 1 6 1100 2650 3.8
GEZ 88 ET 2RS 88.9 139.7 77.775 66.675 128 1 1 6 1280 3070 4.8
GEZ 95 ET 2RS 95.25  149.225 83.337 71.425 137 1 1 6 1460 3520 5.8
GEZ 101 ET 2RS 101.6 158.75 88.9 76.2 146 1 1 6 1660 4000 7
GEZ 107 ET 2RS 107.95 168.275 94.463 80.95 155 1 1 6 1880 4510 8.4
GEZ 114 ET 2RS 114.3 177.8 100.013 85.725 164.5 1 1 6 2110 5070 9.8
GEZ 120 ET 2RS 120.65 187.325 105.562 90.475 173.5 1 1 6 2350 5650 11.5
GEZ 127 ET 2RS 127 196.85 111.125 95.25 183 1 1 6 2610 6270 13.5
GEZ 152 ET 2RS 152.4 222.25 120.65 104.775 207 1 1 6 3250 7800 17.5

                                                                   About Us

HENGLI Machinery Company is a well-established Chinese bearing supplier. We design, manufacture and wholesale bearings.
Our specialized manufacturer of Spherical Roller Bearing Cylindrical Roller Bearing, XIHU (WEST LAKE) DIS. Rolling Bearing Co., Ltd was
established in 1970 and is accredited by the Chinese Ministry of Machine Building.
We invested in 2 additional specialized bearing factories, which allow us to provide our clients with top of the line products such as 
Needle Roller Bearings, Cam Follower Bearings, Thrust Bearings, Spherical Plain Bearings, Rod Ends Bearings, Ball Joint
Bearings, Tapered Roller Bearings,Wheel Hub Bearings 
and Non-Standard Bearings.

Q1 – What is our advantages?

     A    – Manufacturer – Do it only with the Best;

            -Your Choice make different. 

Q2 – Our Products

 A   – Spherical Roller Bearing, Cylindrical Roller Bearing, Needle Roller Bearing, Cam Followers, Thrust Bearing

      – Spherical Plain Bearing, Rod End, Ball Joint, Wheel Hub, Tapered Roller Bearing

Q3 – Process of our production

 A – Heat Treatment – Grinding – Parts Inspection – Assembly – Final Inspection – Packing

Q4 – How to customize bearing(non-standard) from your company?

 A -We offer OEM,Customized(Non-standard) service and you need to provide drawing and detailed Technical Data.

Q5 –   What should I care before installation?

 A   – Normally, the preservative with which new bearings are coated before leaving the factory does not need to be

        removed; it is only necessary to wipe off the outside cylin­drical surface and bore, if the grease is not compatible

        with the preservative, it is necessary to wash and carefully dry the bearing.

      -Bearings should be installed in a dry, dust-free room away from metal working or other machines producing

        swarf and dust.

Q6 – How to stock and maintenance my bearings right? 

 A   – Do not store bearings directly on concrete floors, where water can condense and collect on the bearing;

      -Store the bearings on a pallet or shelf, in an area where the bearings will not be subjected to high humidity

       or sudden and severe temperature changes that may result in condensation forming;

      -Always put oiled paper or, if not available, plastic sheets between rollers and cup races of tapered roller bearings.                                                        

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Rolling Element: Single Row
Structure: To The Heart
Material: Bearing Steel
Load Direction: Radial Spherical Plain Bearing
Add Lubricant: Self-lubricating
Outer Structure: Whole Outer Ring
US$ 1/Piece
1 Piece(Min.Order)

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Customized Request

radial bearing

Can you describe the load-carrying capacity and load ratings of radial bearings?

The load-carrying capacity and load ratings of radial bearings are crucial factors to consider when selecting and designing bearing systems for industrial applications. Here is a detailed description of these aspects:

Load-Carrying Capacity:

The load-carrying capacity of a radial bearing refers to its ability to support and distribute loads without excessive deformation or failure. It is a measure of the maximum load that a bearing can handle under specific operating conditions. The load-carrying capacity is influenced by several factors, including the bearing size, design, material, lubrication, operating speed, and temperature.

Radial bearings are designed to primarily support radial loads, which are forces acting perpendicular to the shaft’s axis. These loads can include the weight of rotating components, belt tension, pulley forces, or other radial forces. The load-carrying capacity of a radial bearing is specified for radial loads and is typically provided by the manufacturer in terms of dynamic load rating and static load rating.

Dynamic Load Rating:

The dynamic load rating of a radial bearing indicates the maximum radial load that the bearing can withstand under ideal operating conditions, with a calculated 90% reliability over a specified number of revolutions or operating hours. It represents the load at which the bearing is expected to have a basic rating life of one million revolutions.

The dynamic load rating takes into account factors such as the bearing’s geometry, material properties, and internal design, which affect its ability to distribute the load and resist fatigue failure. It is expressed in units of force (often in Newtons or pounds) and is provided by the bearing manufacturer. When selecting a radial bearing, it is crucial to ensure that the anticipated radial load falls within the dynamic load rating to prevent premature bearing failure.

Static Load Rating:

The static load rating of a radial bearing refers to the maximum radial load that the bearing can withstand without permanent deformation or damage while stationary. Unlike the dynamic load rating, the static load rating does not account for the bearing’s ability to handle fatigue-related failures over a specified number of revolutions but focuses on the load capacity under static conditions.

The static load rating is typically higher than the dynamic load rating due to the absence of rotational forces and associated fatigue effects. It provides an indication of the bearing’s ability to support heavy loads without undergoing permanent deformation. Like the dynamic load rating, the static load rating is expressed in units of force and is provided by the bearing manufacturer. It is crucial to ensure that the static load rating exceeds the anticipated radial load to prevent bearing damage or failure.

Load Rating Calculation:

The load ratings of radial bearings are determined through standardized calculation methods based on industry standards, such as ISO and ANSI/ABMA standards. These calculations consider factors such as the bearing’s geometry, material properties, internal design, and expected operating conditions.

The load ratings are influenced by various factors, including the number and size of the rolling elements, the contact angle, the material strength, and the bearing’s internal clearance. Manufacturers perform extensive testing and analysis to determine the load ratings of their radial bearings and provide the values in their product catalogs to assist engineers and designers in selecting the appropriate bearing for specific applications.

In summary, the load-carrying capacity and load ratings of radial bearings play a critical role in determining their suitability for various industrial applications. The dynamic load rating indicates the maximum radial load that a bearing can handle under ideal operating conditions and a specified reliability level, while the static load rating represents the maximum radial load the bearing can withstand without permanent deformation while stationary. Understanding these load ratings is essential for selecting radial bearings that can reliably and safely support the anticipated loads in industrial machinery and equipment.

radial bearing

Can you explain the maintenance and installation considerations for radial bearings?

Maintenance and installation considerations are crucial for ensuring the optimal performance and longevity of radial bearings. Proper installation and regular maintenance practices help prevent premature bearing failure, minimize downtime, and maximize the efficiency of the bearing system. Here’s a detailed explanation of the maintenance and installation considerations for radial bearings:

1. Proper Handling and Storage:

Radial bearings should be handled with care to avoid damage to the bearing surfaces. They should be stored in a clean and dry environment, protected from contaminants, moisture, and extreme temperature conditions. When handling the bearings, clean hands or gloves should be used to prevent introducing dirt or grease to the bearing surfaces.

2. Correct Bearing Selection:

Proper bearing selection is essential for ensuring optimal performance and reliability. Factors such as load requirements, speed, temperature, and environmental conditions should be considered when choosing the appropriate radial bearing. Consulting bearing manufacturers or industry experts can assist in selecting the right bearing type, size, and design for the specific application.

3. Precise Shaft and Housing Preparation:

Prior to installation, the shaft and housing surfaces should be carefully inspected and prepared. They should be clean, smooth, and free from burrs, nicks, or other defects that could adversely affect the performance of the bearing. Proper shaft and housing preparation ensures proper fit, alignment, and load distribution, reducing the risk of premature wear or failure.

4. Correct Bearing Mounting:

During installation, proper mounting techniques should be followed to ensure the correct fit and alignment of the radial bearing. The bearing should be mounted using the appropriate tools and equipment, applying even and controlled force to avoid excessive load or damage to the bearing components. The manufacturer’s guidelines and recommendations should be followed for the specific bearing type and size.

5. Lubrication:

Proper lubrication is crucial for the performance and longevity of radial bearings. The correct type and quantity of lubricant should be used based on the manufacturer’s recommendations. Lubrication intervals should be followed, and contamination should be prevented by using clean lubricants and appropriate sealing solutions. Regular monitoring of lubrication conditions and timely replenishment or replacement of lubricants are essential maintenance practices for radial bearings.

6. Regular Inspection and Maintenance:

Regular inspection and maintenance help detect and address any potential issues before they escalate into major problems. Periodic inspections should be conducted to check for signs of wear, damage, or abnormal operating conditions. This may include monitoring vibration, temperature, noise levels, and visual examination of the bearing and surrounding components. Any identified issues should be addressed promptly through appropriate maintenance procedures, such as re-lubrication, re-alignment, or replacement of damaged components.

7. Training and Expertise:

Proper maintenance and installation of radial bearings require knowledge and expertise. It is beneficial to have trained personnel who understand the specific requirements and procedures for handling, installing, and maintaining radial bearings. Training programs or consulting services provided by bearing manufacturers or industry experts can help ensure that maintenance and installation practices are carried out correctly and effectively.

8. Documentation and Record-Keeping:

Maintaining accurate documentation and records of bearing installation, maintenance activities, and relevant operating conditions is essential. This information can help track the history of the bearings, identify recurring issues, and facilitate troubleshooting or future maintenance planning. It is important to record important details such as bearing type, size, lubrication specifications, maintenance dates, and any observations or actions taken during inspections.

By considering these maintenance and installation considerations, it is possible to optimize the performance, reliability, and lifespan of radial bearings. Proper handling, correct bearing selection, precise shaft and housing preparation, accurate mounting, appropriate lubrication, regular inspection and maintenance, training, and documentation are key elements in achieving efficient and trouble-free operation of radial bearings.

radial bearing

How do radial bearings enhance the overall efficiency and functionality of machinery and equipment?

Radial bearings play a critical role in enhancing the overall efficiency and functionality of machinery and equipment. They enable smooth and reliable rotational motion, reduce friction, support heavy loads, and provide stability. Here’s a detailed explanation of how radial bearings contribute to the efficiency and functionality of machinery and equipment:

1. Reduced Friction:

Radial bearings are designed to minimize friction between moving parts. By providing a smooth interface between rotating components, they reduce energy losses due to friction. This results in improved energy efficiency and reduced power consumption. Bearings with low friction characteristics help optimize the performance of machinery by minimizing heat generation, reducing wear, and preventing premature failure of components.

2. Load Support:

Radial bearings are specifically designed to support radial loads, which are forces acting perpendicular to the rotation axis. They distribute the applied loads evenly across the bearing surfaces, preventing excessive stress on individual components. By efficiently supporting loads, radial bearings help maintain the structural integrity of machinery and equipment, ensuring smooth operation and preventing component failures.

3. Shaft Alignment and Stability:

Radial bearings contribute to the alignment and stability of rotating shafts. They help maintain accurate positioning of the shafts, ensuring proper alignment with other components. This alignment minimizes vibrations, reduces noise, and avoids unnecessary wear and tear. By providing stability, radial bearings enable machinery to operate smoothly and with precision, enhancing overall functionality.

4. Increased Rotational Speed:

Radial bearings are designed to accommodate high rotational speeds. They provide smooth rolling or sliding motion, minimizing the centrifugal forces generated at high speeds. By allowing machinery and equipment to operate at higher speeds, radial bearings enhance productivity and throughput. Increased rotational speed can lead to shorter processing times, higher production rates, and improved overall efficiency.

5. Noise and Vibration Reduction:

Properly selected and maintained radial bearings help reduce noise and vibration in machinery and equipment. They act as dampers, absorbing and dissipating vibrations generated by rotating components. By minimizing vibrations, radial bearings contribute to a quieter operating environment, improve operator comfort, and reduce the risk of damage to sensitive components.

6. Compact Design and Space Optimization:

Radial bearings are available in various sizes and configurations, allowing for compact design and space optimization in machinery and equipment. Their small footprint and high load-carrying capacity make them ideal for applications with limited space. By enabling compact designs, radial bearings facilitate the integration of additional components, reduce the overall size of the equipment, and increase efficiency in terms of space utilization.

7. Maintenance and Reliability:

Radial bearings require regular maintenance to ensure optimal performance and reliability. However, compared to other components in machinery and equipment, bearings are relatively easy to maintain. Proper lubrication, monitoring of operating conditions, and periodic inspection can help prevent premature failure and extend the service life of bearings. By reducing downtime and the need for frequent repairs, radial bearings enhance the overall efficiency and functionality of machinery.

8. Application Versatility:

Radial bearings are available in a wide range of types, sizes, and materials, making them versatile for various applications. Different bearing configurations and materials can be selected based on specific operational requirements, load conditions, and environmental factors. This versatility allows engineers to optimize the performance and efficiency of machinery and equipment for specific applications, ensuring reliable operation and maximizing productivity.

Overall, radial bearings are essential components that significantly enhance the efficiency and functionality of machinery and equipment. By reducing friction, supporting loads, providing stability, accommodating high speeds, minimizing noise and vibration, enabling compact designs, facilitating maintenance, and offering application versatility, radial bearings contribute to the smooth operation, improved performance, and extended service life of machinery and equipment in various industries.

China Hot selling GEZ 34 ET 2RS Radial Spherical Plain Bearing with Oil Groove, Oil Holes for Engineering Machinery   drive shaft bearingChina Hot selling GEZ 34 ET 2RS Radial Spherical Plain Bearing with Oil Groove, Oil Holes for Engineering Machinery   drive shaft bearing
editor by CX 2024-03-25