Product Description
inch size LMB20UU linear motion ball bearings 31.75*50.80*66.68
Quick Details
Type: Linear
Precision Rating: P2 P4 P5 P6 P0
Model Number: Lmb..uu
Material: Gcr15, bearing steel, stainless steel
Clearance: C0 C2 C3 C4 C5
Market: Global
Vibration: V1 V2 V3 V4
Noise level: Z1 Z2 Z3 Z4
Sample: Accept
Cage: Stainless steel, nylon
Seal type: UU
Specifications
Linear motion bearing lmb6uu
1. ISO9001: 2000
2. GCr15, bearing steel
4. LM, LME, LMB with AJ, OP
Packaging & Delivery
Packaging Detail: 1. Industry packing 2. Polybag+single box+carton 3. Polybag+single box +wooden case 4. As your requirement
Delivery Detail: Within 3 working days after depsit
| LMB…UU | Ball circuit | Weight(g) | LM…AJ | LM…OP | ID(mm) | Outside diameter(mm) |
| LMB4UU | 4 | 10 | 11.906 | 12.700 | ||
| LMB6UU | 4 | 15 | 14.935 | 15.875 | ||
| LMB8UU | 4 | 42 | LMB8-AJ | LMB8-OP | 20.853 | 22.225 |
| LMB10UU | 4 | LMB10-AJ | LMB10-OP | 26.899 | 28.575 | |
| LMB12UU | 5 | 101 | LMB12-AJ | LMB12-OP | 29.870 | 31.750 |
| LMB16UU | 6 | 220 | LMB16-AJ | LMB16-OP | 37.306 | 39.688 |
| LMB20UU | 6 | 465 | LMB20-AJ | LMB20-OP | 47.904 | 50.800 |
| LMB24UU | 6 | 720 | LMB24-AJ | LMB24-OP | 56.870 | 60.325 |
| LMB32UU | 6 | 1310 | LMB32-AJ | LMB32-OP | 72.065 | 76.200 |
| LMB40UU | 6 | 2600 | LMB40-AJ | LMB40-OP | 90.220 | 95.256 |
| LMB48UU | 6 | 4306 | LMB48-AJ | LMB48-OP | 109.474 | 114.3 |
| LMB64UU | 6 | 15710 | LMB64-AJ | LMB64-OP | 145.923 | 152.4 |
Applications: Engineering hydraulic cylinders,Forgingmachines,Construction machinery, Auto shock absorber .
Linear bearing units sizes: 4mm – 60 mm. High quality, good price and fast delivery.
Type LM-UU: This is the metric dimension series with seal used most frequently in Korea and Japan.
Type LME-UU: This is the metric dimension series with seal used most frequently in Europe.
Type LMB-UU: This is the inch dimension series with seal used most frequently in UK&USA
LM linear bearing: LM3UU, LM4UU, LM5UU, LM6UU, LM8UU, LM8S, LM10UU, LM12UU, LM13UU, LM16UU, LM20UU, LM25UU, LM30UU, LM35UU, LM40UU, LM50UU, LM60UU, LM80UU, LM100UU
LME linear bearing:
LME3UU, LME4UU, LME5UU, LME6UU, LME8UU, LME8S, LME10UU, LME12UU, LME13UU, LME16UU, LME20UU, LME25UU, LME30UU, LME35UU, LME40UU, LME50UU, LME60UU, LME80UU, LME100UU
LMB linear bearing:
LMB4UU, LMB6UU, LMB8UU, LMB10UU, LMB12UU, LMB16UU, LMB24UU, LMB32UU
LM Open Series linear bearing: LM10OPUU, LM12OPUU, LM13OPUU, LM16OPUU, LM20OPUU, LM25OPUU, LM3OOPU, LM35OPUU, LM40OPUU, LM50OPUU, LM60OPUU, LM80OPUU, LM100OPUU
KH type linear bearing:
KH0622PP, KH0824PP, KH1026PP, KH1228PP, KH1630PP, KH2030PP, KH2540PP, KH3050PP, KH4060PP, KH5070PP
Stell Cage Linear Bearing: LM8GA, LM10GA, LM12GA, LM16GA, LM20GA, LM25GA, LM30GA, LM35GA, LM40GA, LM50GA, LM60GA
SDM series Steel cage linear bearing(As same as Ease SDM series): SDM16, SDM20, SDM25, SDM30, SDM35, SDM40, SDM50, SDM60, SDM80, SDM100, SDM120, SDM150
Flange Type Linear Bearing:
LMF6UU, LMF8UU, LMF10UU, LMF12UU, LMF13UU, LMF16UU, LMF20UU, LMF25UU, LMF30UU, LMF35UU, LMF40UU, LMF50UU, LMF60UU, LMF80UU, LMF100UU
LMK6UU, LMK8UU, LMK10UU, LMK12UU, LMK13UU, LMK16UU, LMK20UU, LMK25UU, LMK30UU, LMK35UU, LMK40UU, LMK50UU, LMK60UU, LMK80UU, LMK100UU
LMT6UU, LMT8UU, LMT10UU, LMT12UU, LMT13UU, LMT16UU, LMT20UU, LMT25UU, LMT30UU.
Linear Slide Unit:
1. Close Type:
SC8UU, SC10UU, SC12UU, SC13UU, SC16UU, SC20UU, SC25UU, SC30UU, SC35UU, SC40UU, SC50UU, SC60UU (normal type)
SC8WUU, SC10WUU, SC12WUU, SC13WUU, SC16WUU, SC20WUU, SC252UU, SC30WUU, SC35WUU, SC40WUU, SC50WUU (long type) SC8VUU, SC10VUU, SC12VUU, SC13VUU, SC16VUU, SC20VUU, SC25VUU, SC30VUU, SC35VUU, SC40VUU, SC50VUU(Short type)
2. Open Type: SBR10UU, SBR12UU, SBR13UU, SBR16UU, SBR20UU, SBR25UU, SBR30UU, SBR35UU, SBR40UU, SBR50UU(Normal type) SBR10LUU, SBR12LUU, SBR13LUU, SBR16LUU, SBR20LUU, SBR25LUU, SBR30LUU, SBR35LUU, SBR40LUU, SBR50LUU(Long type) TBR16UU, TBR20UU, TBR25UU, TBR30UU (This type with the flange at the pillow block)
Shaft Support: SK/SHF SHAFT SUPPORT: SK8, SK10, SK12, SK13, SK16, SK20, SK25, SK30, SK35, SK40, SK50, SK60 SHF8, SHF10, SHF12, SHF13, SHF16, SHF20, SHF25, SHF30, SHF35, SHF40, SHF50,
| Model No. | Main dimensions | Basic load rating | ||||
| Inscribed bore diameter | Outer diameter | Length | Dynamic rating | Static rating | Mass | |
| dr | D | L | C | C0 | ||
| mm | mm | mm | N | N | G | |
| LM 3 | 3 | 7 | 10 | 88.2 | 108 | 1.4 |
| LM 4 | 4 | 8 | 12 | 88.2 | 127 | 1.9 |
| LM 5 | 5 | 10 | 15 | 167 | 206 | 4 |
| LM 6 | 6 | 12 | 19 | 206 | 265 | 8 |
| LM 8S | 8 | 15 | 17 | 176 | 225 | 11 |
| LM 8 | 8 | 15 | 24 | 265 | 402 | 16 |
| LM 10 | 10 | 19 | 29 | 373 | 549 | 30 |
| LM 12 | 12 | 21 | 30 | 412 | 598 | 31.5 |
| LM 13 | 13 | 23 | 32 | 510 | 775 | 43 |
| LM 16 | 16 | 28 | 37 | 775 | 1180 | 69 |
| LM 20 | 20 | 32 | 42 | 863 | 1370 | 87 |
| LM 25 | 25 | 40 | 59 | 980 | 1570 | 220 |
| LM 30 | 30 | 45 | 64 | 1570 | 2750 | 250 |
| LM 35 | 35 | 52 | 70 | 1670 | 3140 | 390 |
| LM 40 | 40 | 60 | 80 | 2160 | 4571 | 585 |
| LM 50 | 50 | 80 | 100 | 3820 | 7940 | 1580 |
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| Material: | Gcr15, Ss, High Carbon Steel |
|---|---|
| Cetrification: | ISO 9001:2008 |
| Place of Origin: | Shandong China |
| Precision Rating: | P0 P6 P5 |
| Express: | TNT, DHL, FedEx, EMS |
| Transport Package: | as Per Client′s Requirement |
| Samples: |
US$ 3/Set
1 Set(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|

Prolonging the Life of Linear Bearings Through Maintenance Practices
Implementing proper maintenance practices is essential to extend the lifespan of linear bearings and ensure their optimal performance. Here are specific maintenance practices that can help:
- 1. Regular Lubrication:
Ensure that linear bearings are properly lubricated as recommended by the manufacturer. Adequate lubrication minimizes friction, reduces wear, and prevents premature failure.
- 2. Cleaning:
Regularly clean the linear bearing components to remove dirt, debris, and contaminants. Keeping the bearings clean reduces the risk of abrasive particles causing damage.
- 3. Inspection:
Periodically inspect linear bearings for signs of wear, damage, or misalignment. Look for uneven wear patterns, visible damage, or any unusual behavior during motion.
- 4. Alignment:
Ensure proper alignment of the linear components to prevent excessive stress on the bearings. Misalignment can lead to premature wear and reduced lifespan.
- 5. Proper Handling:
Handle linear bearings with care during installation and maintenance. Avoid dropping or impacting the bearings, which can cause internal damage.
- 6. Load Distribution:
Distribute loads evenly across multiple linear bearings if applicable. This prevents overloading individual bearings and extends their life.
- 7. Environmental Considerations:
Protect linear bearings from harsh environments, extreme temperatures, and corrosive substances. Use appropriate seals and enclosures to prevent contamination.
- 8. Regular Maintenance Schedule:
Create a maintenance schedule based on usage and manufacturer recommendations. Consistent maintenance helps identify issues early and prevents unexpected failures.
- 9. Proper Storage:
Store spare linear bearings in a clean and dry environment. Avoid exposure to moisture and dust, which can damage the bearings over time.
- 10. Consult Manufacturer Guidelines:
Follow the manufacturer’s guidelines and recommendations for maintenance, lubrication, and replacement intervals specific to the linear bearings you are using.
By implementing these maintenance practices, you can significantly prolong the life of linear bearings, reduce downtime, and ensure optimal performance in various applications.

Contribution of Linear Bearings to Smooth Movement of Conveyors and Linear Slides
Linear bearings play a crucial role in ensuring the smooth movement of industrial conveyors and linear slides by providing low-friction support and guiding mechanisms. Here’s how linear bearings contribute to their operation:
- Smooth Motion: Linear bearings offer precise and smooth linear motion to conveyors and linear slides, allowing materials or objects to move seamlessly along a defined path.
- Low Friction: The design of linear bearings minimizes friction between the moving parts, reducing energy consumption and wear. This is particularly important for conveyors and slides that require frequent and continuous movement.
- Guidance: Linear bearings guide the movement of the conveyor belts or linear slides, ensuring that they stay on track and follow the desired path without deviation.
- Load Support: Linear bearings provide support for both radial and axial loads, allowing conveyors to carry heavy loads and linear slides to accommodate objects or components without sacrificing smoothness.
- Precision: Linear bearings offer high precision and accuracy, which is essential for applications where precise positioning is required, such as in automated manufacturing processes.
- Reduced Noise and Vibration: Linear bearings contribute to quieter operation by reducing noise and absorbing vibrations generated during movement. This is beneficial in environments where noise reduction is important.
- Longevity: By minimizing friction and wear, linear bearings enhance the longevity of conveyors and linear slides, reducing the need for frequent maintenance and replacement.
In industrial settings, linear bearings ensure that conveyors efficiently transport materials, products, or components, while linear slides provide controlled and accurate movement for various applications. Whether in manufacturing, logistics, or automation, the use of linear bearings results in enhanced efficiency, reduced downtime, and improved overall performance.

Factors to Consider When Selecting a Linear Bearing
Choosing the right linear bearing for a specific application involves considering several critical factors to ensure optimal performance and longevity:
- Load Requirements:
Determine the magnitude and direction of the loads the linear bearing will experience. Consider both static and dynamic loads to select a bearing with an appropriate load capacity.
- Precision and Accuracy:
For applications requiring precise positioning, choose linear bearings with high precision and low backlash. Factors like repeatability and positional accuracy are crucial.
- Speed and Acceleration:
Consider the speed and acceleration at which the linear bearing will operate. Higher speeds may require bearings with lower friction and better heat dissipation.
- Environmental Conditions:
Assess the environmental factors such as temperature, humidity, and exposure to contaminants. Choose linear bearings with suitable materials and seals to withstand the conditions.
- Space Constraints:
Take into account the available space for mounting the linear bearing. Some applications may have limited space, necessitating compact and lightweight bearing options.
- Maintenance Requirements:
Consider the maintenance needs of the bearing. Bearings with self-lubricating properties or easy access for lubrication can reduce maintenance frequency.
- Mounting and Configuration:
Choose a linear bearing that can be easily mounted and integrated into your system’s design. Consider factors like mounting orientation and available mounting surfaces.
- Life Expectancy:
Estimate the expected lifespan of the linear bearing based on the application’s requirements. Select a bearing with a suitable design life to prevent premature failures.
- Cost and Budget:
Balance the desired performance with the available budget. Opt for linear bearings that provide the necessary features without exceeding cost limitations.
- Accessories and Add-ons:
Consider any additional accessories or add-ons, such as seals, lubrication systems, or end caps, that can enhance the bearing’s performance and protection.
- Manufacturer and Supplier:
Choose reputable manufacturers and suppliers that offer reliable products and good customer support. Quality assurance and technical assistance are essential.
Overall, a comprehensive assessment of these factors will help you select the most suitable linear bearing for your specific application, ensuring optimal performance, longevity, and cost-effectiveness.


editor by CX 2024-03-29