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China Standard China Professional Linear Bearing Factory /Lm Shaft Motion Ball Bearing/Lm Guide Slide Rail Flange Bearing/Ball Screw/Track Roller Bearing for CNC 3D Printer vacuum pump ac

Product Description


Product Description

Product Name

CNC aluminum linear guide rail SBR12 and linear slide block SBR12UU SBR12LUU








100% Interchangeable

Types of block


Length of linear guide rail

100mm-4000mm,any length will be available


precision part, cnc machining parts, auto parts, industrial parts, etc

Detailed Photos


Product Parameters


Packaging & Shipping


Company Profile

ZheJiang Sair Mechanical Xihu (West Lake) Dis. Co., Ltd

ZheJiang Sair Mechanical Xihu (West Lake) Dis. Co., Ltd is 1 of the biggest linear guide and ball screw manufacture in  China,with strong technical strength, advanced  production  equipments, high-quality  staff  team  and  perfect  after-sales services, our company is the precision machinery  manufacturer with research and development, manufacturing, sales, service all in one.


After Sales Service

Customer Service

The products are mature with high quality. They are not only sold well all over the country, but also exported to Europe, Americas, Southeast Asia, Africa and more than 70 countries. They have excellent marketing performance, highly appreciated and trusted by the vast number of customers.

If you have any needs, Please contact with me directly!



1. Q: How about the quality of your product?

A: 100% inspection during production. Our products are certified to ISO9001-2008 international quality standards.

2. Q: What’s the delivery time?

A: For custom order, within 2000 meters, Production time is 15days after confirmed every details.

3. Q: What’s your packing?

A: Our Normal packing is bulking in PE bag, and then into plywood Cartons. We also can pack products according to your requirement.

4. Q: What about the warranty?

A: We are very confident in our products,and we pack them very well to make sure the goods in well protection.

5. Q: Could you send me your catalogue and price list?

A: As we have more than hundreds of products,it is really too hard to send all of catalogue and price list for you. Please inform us the style you interested, we can offer the pricelist for your reference.

6. Q:There are a lot of companies which export bearings, why do you choose us?

A: As we are a genuine linear guide supplier since 2011.and we are really factory, you need not pay the profit for middlemen. so we can offer you the lowest and competitive price .

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Application: CNC Machine
Material: Steel
Structure: Rail & Slider
US$ 10/Piece
1 Piece(Min.Order)


Order Sample



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Shipping Cost:

Estimated freight per unit.

about shipping cost and estimated delivery time.
Payment Method:


Initial Payment

Full Payment
Currency: US$
Return&refunds: You can apply for a refund up to 30 days after receipt of the products.

motor base

Are there any energy efficiency benefits associated with specific types of motor slide rails?

Yes, specific types of motor slide rails can offer energy efficiency benefits. Here’s a detailed explanation:

The energy efficiency of motor slide rails is primarily influenced by their design, materials, and features. While the slide rails themselves do not directly impact the energy efficiency of the motor, certain characteristics can contribute to overall system efficiency. Here are some factors to consider:

1. Friction and Smooth Movement:

Motor slide rails that are designed to reduce friction and enable smooth movement can contribute to energy efficiency. By minimizing frictional forces, the motor requires less energy to overcome resistance and move along the slide rails. This can result in improved overall efficiency and reduced energy consumption.

2. Lubrication and Maintenance:

Proper lubrication of motor slide rails is crucial for minimizing friction and optimizing energy efficiency. Well-lubricated slide rails can reduce wear and frictional losses, allowing the motor to operate more efficiently. Regular maintenance, including lubricant checks and replacements, ensures that the slide rails maintain their energy-efficient performance over time.

3. Design and Materials:

The design and materials used in motor slide rails can also impact energy efficiency. Certain materials, such as those with low coefficients of friction or high strength-to-weight ratios, can reduce energy losses and improve overall efficiency. Additionally, the design of the slide rails, including their shape, profile, and load-bearing capacities, can optimize the motor’s performance and minimize energy waste.

4. Damping and Vibration Reduction:

Motor slide rails that incorporate damping mechanisms or vibration-reducing features can enhance energy efficiency. Excessive vibrations can lead to energy losses and increased wear on the motor. Slide rails designed to absorb or dampen vibrations can help maintain stable and efficient motor operation, resulting in energy savings.

5. Environmental Considerations:

Specific types of motor slide rails may also offer energy efficiency benefits in certain environmental conditions. For example, slide rails that are resistant to corrosion, dust, or moisture can help maintain their performance and efficiency over time. By minimizing the impact of environmental factors, the motor can operate optimally, reducing energy waste and improving efficiency.

It’s important to note that while specific types of motor slide rails can offer energy efficiency benefits, the overall energy efficiency of a motor system is influenced by multiple factors, including motor design, control systems, and operational practices. The selection of energy-efficient slide rails should be considered within the broader context of the entire motor system to maximize energy savings.

In summary, certain types of motor slide rails can contribute to energy efficiency by reducing friction, enabling smooth movement, utilizing appropriate materials, incorporating damping mechanisms, and considering environmental factors. By selecting and maintaining energy-efficient slide rails, it is possible to optimize the performance and energy efficiency of motor systems, leading to potential energy savings over the long term.

motor base

Can motor slide rails contribute to reducing vibrations and noise associated with motor operation?

Yes, motor slide rails can contribute to reducing vibrations and noise associated with motor operation. Here’s a detailed explanation:

Motor slide rails play a role in minimizing vibrations and noise by providing stability, dampening vibrations, and reducing mechanical resonance. Here are the ways in which motor slide rails can help in reducing vibrations and noise:

1. Stability and Rigidity:

Motor slide rails offer a stable and rigid platform for mounting the motor. The rigid structure helps in minimizing vibrations by providing a secure and immobile base for the motor. It prevents excessive movement or oscillation of the motor, reducing the generation of vibrations that can propagate through the system and cause noise.

2. Vibration Dampening:

Motor slide rails can incorporate features or materials that help dampen vibrations. They can be designed with vibration-absorbing materials, such as rubber or elastomers, integrated into the rail system. These materials absorb and dissipate vibrations, reducing their transmission to other components and minimizing the associated noise.

3. Shock Absorption:

Some motor slide rails are equipped with shock-absorbing mechanisms or dampers. These mechanisms are designed to absorb sudden shocks or impacts that may occur during motor operation. By absorbing shocks, the slide rails help reduce the vibrations that can be generated from such events, thereby reducing noise levels.

4. Vibration Isolation:

In applications where vibrations from the motor can adversely affect sensitive components or nearby equipment, motor slide rails can be used for vibration isolation. Vibration isolation mounts or pads can be integrated between the motor slide rails and the mounting surface. These mounts are designed to absorb and isolate vibrations, preventing their transmission to the surrounding environment and minimizing noise generation.

5. Resonance Reduction:

Motor slide rails can help mitigate mechanical resonance, which is a phenomenon that can amplify vibrations and noise. Resonance occurs when the natural frequency of the motor or the system matches the excitation frequency, resulting in increased vibrations. By providing a rigid and well-supported mounting platform, motor slide rails can help shift the natural frequencies away from the excitation frequencies, reducing the likelihood of resonance and minimizing the associated noise.

6. Vibration Analysis and Optimization:

Motor slide rails can be used in conjunction with vibration analysis and optimization techniques to further reduce vibrations and noise. By monitoring and analyzing the vibration characteristics of the motor system, adjustments can be made to the mounting position, alignment, or other parameters to minimize vibrations. Motor slide rails with adjustable features and fine-tuning mechanisms allow for precise positioning and alignment, facilitating the optimization process.

Overall, while motor slide rails alone may not completely eliminate vibrations and noise associated with motor operation, they can significantly contribute to reducing their impact. The stability and rigidity provided by the slide rails, along with vibration dampening features, shock absorption, vibration isolation, and resonance reduction capabilities, help in minimizing vibrations and noise propagation. Combined with vibration analysis and optimization techniques, motor slide rails can help achieve a quieter and more vibration-free motor operation.

In summary, motor slide rails can contribute to reducing vibrations and noise associated with motor operation through stability, vibration dampening features, shock absorption, vibration isolation, resonance reduction, and their compatibility with vibration analysis and optimization techniques.

motor base

What is the purpose of motor slide rails in the context of electric motor installations?

In the context of electric motor installations, motor slide rails serve several important purposes. Here’s a detailed explanation:

1. Easy Motor Installation and Removal:

Motor slide rails provide a convenient and efficient method for installing and removing electric motors. These rails are typically mounted on a motor base or mounting platform and allow the motor to slide in and out smoothly. By using motor slide rails, the motor can be easily positioned and secured in place during installation, and later removed for maintenance or replacement without the need for complex disassembly.

2. Precise Motor Alignment:

Motor slide rails facilitate precise motor alignment with the driven equipment. They allow for horizontal adjustment, ensuring that the motor shaft is parallel and co-linear with the driven shaft. This alignment is crucial for optimal performance, minimizing energy losses, and reducing wear and tear on both the motor and the driven equipment. Motor slide rails offer the flexibility to make fine adjustments to achieve the desired alignment, resulting in improved efficiency and reliability.

3. Vibration Damping and Noise Reduction:

Motor slide rails help dampen vibrations generated by electric motors during operation. Vibrations can arise from factors such as motor imbalances, misalignment, or external forces. The use of slide rails with vibration-dampening properties or by incorporating additional vibration isolation mechanisms can reduce the transmission of vibrations to the surrounding structure. This dampening effect improves overall system performance, reduces noise levels, and protects other components from excessive vibrations.

4. Maintenance and Service Accessibility:

Motor slide rails provide easy access to the motor for maintenance and service tasks. By sliding the motor along the rails, technicians can quickly reach various motor components, such as bearings, cooling fans, or electrical connections, for inspection, lubrication, or repairs. This accessibility simplifies routine maintenance procedures, reduces downtime, and improves the overall serviceability of the motor.

5. Flexibility for Motor Positioning:

Motor slide rails offer flexibility in motor positioning within the installation. They allow for adjustments in the motor’s position, both horizontally and vertically, to accommodate specific space constraints or align with existing equipment. This flexibility is particularly beneficial when retrofitting motors into existing systems or when dealing with limited space. Motor slide rails enable customization of the motor’s position to optimize performance and ensure compatibility with the application requirements.

6. Load Distribution and Stability:

Motor slide rails contribute to load distribution and stability in electric motor installations. The rails help distribute the weight of the motor evenly across the mounting platform, preventing excessive stress on specific points. This load distribution improves the overall stability of the motor and reduces the risk of structural damage or misalignment caused by uneven weight distribution.

In summary, motor slide rails serve the purpose of facilitating easy motor installation and removal, enabling precise motor alignment, dampening vibrations, providing accessibility for maintenance and service tasks, offering flexibility in motor positioning, and contributing to load distribution and stability. By utilizing motor slide rails effectively, electric motor installations can achieve improved performance, reduced downtime, and enhanced overall reliability.

China Standard China Professional Linear Bearing Factory /Lm Shaft Motion Ball Bearing/Lm Guide Slide Rail Flange Bearing/Ball Screw/Track Roller Bearing for CNC 3D Printer   vacuum pump acChina Standard China Professional Linear Bearing Factory /Lm Shaft Motion Ball Bearing/Lm Guide Slide Rail Flange Bearing/Ball Screw/Track Roller Bearing for CNC 3D Printer   vacuum pump ac
editor by CX 2024-03-29

SWC Cost made in China – replacement parts – volvo s40 drive shaft Large Size Wf Nontelescopic Flange Universal Coupling with ce certificate top quality low price

We – EPG Team the greatest agricultural gearbox and pto manufacturing facility in China with 5 distinct branches. For a lot more information: Mobile/whatsapp/telegram/Kakao us at: 0086-13083988828

SWC  Cost  made in China - replacement parts -  volvo s40 drive shaft Large Size Wf Nontelescopic Flange Universal Coupling with ce certificate top quality low price

pto carrier bearing Primary toyota corolla travel shaft price goods jk rear driveshaft include: wheel drive shaft manure tractor pto shaft adapters spreading tractor pto shaft tractor offer truck, pto shaft identification potato pto shaft broke planting/harvesting pto shaft shear pin machine, 2000 jeep wrangler entrance drive shaft disc plough, disc harrow, grass Mower/slasher, corn and wheat thershers, seeder, mouldboard plow, deep subsoiler machines, rotary tiller, rear blade, fertilizer spreader, combine rice harvester, corn thresher, farm trailer, ridger, trencher, stubble cleaner, earth auger, cultivator and its add-ons: Plow disc blades, harrowing movie, plough idea and share, cultivator tine, casting parts and so forth. Our products are selling nicely in Chinese markets and some goods marketed in international marketplaces are properly acquired by Chinese and foreign clientele at house and overseas. Heavy Duty SWC WF Cardan Shaft(JB/T5513-ninety one)

Cardan shaft is extensively used in rolling mill, punch, straightener, crusher, ship push,paper creating gear, widespread machinery, h2o pump products,check bench and other mechanical purposes.

·Heavy Duty SWC WF Cardan Shaft Basic Parameter And Main Dimension(JB/T5513-1991)

Product Tactical diameter
Nominal torque
Fatique torque
Axis rotation
Lmin Done
D2 D3 Lm n-d


β=5° β=10° β=5° β=10°
SWC680WF 680 1400 710 5°10° 1840 1940 635 550 508 335 360 24-twenty five fifty five
SWC780WF 780 2500 1250 1980 2120 725 640 630 370 405 24-31 62
SWC840WF 840 3150 1600 2200 2420 775 710 660 425 480 24-38 70
SWC920WF 920 4000 2000 2340 2420 855 760 750 460 480 24-38 80
SWC1000WF 1000 5000 2500 2560 2640 915 840 790 515 535 20-fifty ninety
SWC1100WF 1100 6310 3150 2880 3200 1015 920 850 570 600 20-50 a hundred
SWC1200WF 1200 8000 4000 3080 3240 1100 a thousand 900 620 660 20-58 110

·Discover:1.Tf-Torque allowed by exhaustion energy under varible load

            2.Lmin-Minimal duration right after shortening

            3.L-Installation duration as essential


·Product Show


Q 1: Are you trading business or producer?
A: We are a specialist producer specializing in producing
different collection of couplings.

Q 2:Can you do OEM?
Sure, we can. We can do OEM & ODM for all the customers with personalized artworks of PDF or AI format.

Q 3:How lengthy is your shipping time?
Typically it is 20-30 times if the merchandise are not in stock. It is according to quantity.

Q 4: Do you provide samples ? Is it cost-free or extra ?
Yes, we could provide the sample but not for free of charge.In fact we have a quite good cost basic principle, when you make the bulk order then price of sample will be deducted.

Q 5: How long is your guarantee?
A: Our Warranty is twelve thirty day period underneath regular circumstance.

Q 6: What is the MOQ?
A:Generally our MOQ is 1pcs.

Q 7: Do you have inspection procedures for coupling ?
A:100% self-inspection ahead of packing.

Q 8: Can I have a pay a visit to to your manufacturing unit prior to the order?
A: Certain,welcome to check out our manufacturing unit.

Q 9: What is your payment?
A:1) T/T. 2) L/C 

SWC  Cost  made in China - replacement parts -  volvo s40 drive shaft Large Size Wf Nontelescopic Flange Universal Coupling with ce certificate top quality low price