Product Overview
The LMEF20LUU is a high-precision, long-type flanged linear ball bearing designed for robust and smooth linear motion. Manufactured by Zhejiang Siqiang Bearing Manufacturing Co., Ltd. (SQ), this unit combines a GCR15 bearing steel sleeve with an integrated flange for easy mounting and superior stability in high-moment applications.
Whether you are a global distributor looking for brand authorization or an OEM manufacturer requiring long-term supply stability, our LMEF20LUU provides the perfect balance of accuracy and cost-efficiency.
Product Details
| Item | Details |
| Product Name | Long Type Flange Linear Bearing |
| Model Number | LMEF20LUU |
| Material | High-Carbon Chromium Bearing Steel GCR15 |
| Inner Diameter (ID) | 20mm |
| Outer Diameter (OD) | 32mm |
| Total Length | 80mm |
| Dynamic Load (CN) | 1400 N |
| Static Load (CON) | 2750 N |
| Number of Ball Rows | 5 |
Why Choose SQ (Zhejiang Siqiang)?
Massive Production Capacity
Operate out of a 19,800m² (30-acre) modern facility with over 100+ leading CNC machines.
Competitive Pricing
As a direct manufacturer, we eliminate middleman costs, offering wholesale prices that help distributors stay competitive.
Proven Growth
Our annual sales have grown steadily from 50M to 62M RMB over the past three years, reflecting our market reliability.
Unmatched Quality & Compliance
Strict QC Process
We utilize precision testing equipment, including Rockwell hardness testers, salt spray testers, and life-testing machines to ensure every batch meets industrial standards.
Global Certifications
We are ISO9001, RoHS, and REACH certified, ensuring our products meet the environmental and safety requirements of the European and North American markets.
Association Leadership
We serve as the Vice President Unit of the Lishui Rolling Functional Components Association, a testament to our industry standing.
Full Customization
We support custom Logo laser etching, branded packaging (bags, boxes, cartons), and tailored product dimensions.
Free Samples
Prototyping and sample making are available to ensure the product meets your exact technical requirements before mass production.
Reliable After-Sales & Logistics
1-Year Warranty
We stand by our quality with a one-year quality guarantee and free replacement of damaged parts under normal use.
Global Export Experience
With self-managed export rights, our products are trusted by clients in the USA, Europe, Southeast Asia, and Brazil.
Technical Support
We provide assembly tutorials and operation videos to help your technical team with seamless integration.
Applications
Our LMEF20LUU bearings are the preferred choice for:
Automation Equipment
Packaging, textile, and medical machinery.
Precision Tooling
CNC routers, 3D printers, and electronic handling systems.
Industrial Support
Engineering transport and automated assembly lines.
PRODUCT SPECIFICATION
| LONG TYPE FLANGE LINEAR BEARING LMEF...LUU SPECIFICATION | ||||||||||||||||||||||||
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| type) | Major dimensions and tolerance | |||||||||||||||||||||||
| Weight | dr | D | L | D1 | H | PCD | K | d1×d2×h | Eccentricity | Squareness | Radial | load rating | Type | |||||||||||
| Round | (g) | No.of ball rows | mm | μm | mm | μm | mm | μm | mm | (max) | CN | CON | ||||||||||||
| μm | μm | μm | ||||||||||||||||||||||
| LMEF8LUU | 51 | 4 | 8 | +8 0 |
16 | 0 -0.013 |
46 | ±0.3 | 32 | 5 | 24 | 25 | 3.5×6×3.1 | 0.015 | 0.015 | -3 | 430 | 780 | LME..8LUU | |||||
| LMEF12LUU | 110 | 4 | 12 | 22 | 0 -0.016 |
61 | 42 | 6 | 32 | 32 | 4.5×7.5×4.1 | -4 | 650 | 1200 | LME..12LUU | |||||||||
| LMEF16LUU | 190 | 5 | 16 | +9 -1 |
26 | 68 | 46 | 6 | 36 | 35 | 4.5×7.5×4.1 | -4 | 1230 | 2350 | LME..16LUU | |||||||||
| LMEF20LUU | 260 | 5 | 20 | 32 | 0 -0.019 |
80 | 54 | 8 | 43 | 42 | 5.5×9×5.1 | 0.017 | 0.017 | -6 | 1400 | 2750 | LME..20LUU | |||||||
| LMEF25LUU | 540 | 6 | 25 | +11 -1 |
40 | 112 | 62 | 8 | 51 | 50 | 5.5×9×5.1 | -6 | 1560 | 3140 | LME..25LUU | |||||||||
| LMEF30LUU | 680 | 6 | 30 | 47 | 0 -0.022 |
123 | 76 | 10 | 62 | 60 | 6.6×11×6.1 | -8 | 2490 | 5490 | LME..30LUU | |||||||||
| LMEF40LUU | 1570 | 6 | 40 | +13 -2 |
62 | 151 | 98 | 13 | 80 | 75 | 9×14×8.1 | 0.020 | 0.020 | -13 | 3430 | 8040 | LME..40LUU | |||||||
| LMEF50LUU | 3600 | 6 | 50 | 75 | 192 | 112 | 13 | 94 | 88 | 9×14×8.1 | -13 | 6080 | 15900 | LME..50LUU | ||||||||||
| LMEF60LUU | 4500 | 6 | 60 | 90 | 0 -0.025 |
209 | 134 | 18 | 112 | 106 | 11×17×11.1 | 0.025 | 0.025 | -13 | 7650 | 20000 | LME..60LUU | |||||||
| 1N=0.102kgf | ||||||||||||||||||||||||
SQ At Exhibition
SQ joined the 2025 China (Shanghai) International Bearing Exhibition. As a leader in high-precision motion , we showcased our ISO9001/RoHS certified range , including LMEF20LUU. We invite global partners to explore our 19,800m² factory-direct strength.
sQ Factory
We Are LMEF20LUU Manufacturer
Frequently Asked Questions
Q1: Are you a trading company or a manufacturer?
We are a professional high-tech manufacturer established in June 2007. Our facility in Lishui, Zhejiang, spans 19,800 square meters and is equipped with over 100 sets of advanced CNC and grinding machines. As a factory-direct supplier, we provide more competitive pricing and better quality control than trading firms.
Q2: Does the LMEF20LUU bearing comply with international environmental standards?
Yes. Our products, including the LMEF...LUU series, has passed RoHS (2021) and REACH (2024) certifications. We strictly adhere to the ISO9001 quality management system to ensure our bearings meet the safety and environmental requirements of the European and American markets.
Q3: Can you provide customized packaging and branding (OEM)?
Absolutely. We offer comprehensive customization services, including:
- Laser etching your logo on the bearing.
- Customized brand boxes, plastic bags, and cartons.
- Specific sealing ring options to meet your application needs.
Q4: What is your production capacity and lead time?
With a team of over 140 employees and 16 technical experts, we maintain high production efficiency. Our annual sales reach over 62 million RMB, supported by a robust inventory of standard sizes like the LMEF20LUU. For bulk orders or custom specifications, please contact our sales team for a precise delivery schedule.
Q5: How do you ensure the precision and quality of your bearings?
Quality is our priority. Our facility features a professional testing lab equipped with Rockwell hardness testers, salt spray testing machines, and life-testing equipment. We implement a rigorous inspection process from raw material (GCR15 bearing steel) to the finished product to ensure zero-defect delivery.
Q6: Do you provide samples for testing?
Yes, we can provide prototypes and samples for your technical evaluation. We understand that OEM manufacturers need to verify precision and fit before moving to mass production.
Q7: What is the warranty and after-sales support policy?
We offer a one-year warranty on our products. If any components are damaged under normal operating conditions, we provide replacements free of charge. Additionally, we provide installation videos and assembly tutorials to support your technical team.
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