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Linear bearings are core components for precision linear motion systems, widely used in industrial automation, machine tools, medical equipment, and other fields. Our linear bearings cover multiple series (standard, extended, flanged, open, stainless steel) to meet diverse application needs. All products adopt high-quality materials and precision processing, featuring low friction, high rigidity, long service life, and strong interchangeability, fully complying with international industrial standards. We provide customized solutions according to customer requirements for size, material, and performance, ensuring stable operation in various harsh working environments
1. Standard Linear Ball Bearing (LM/LUU Series)
Product Title: LMUU Series Linear Ball Bearing / Precision Linear Motion Bushing / Standard Linear Bearing with Double Seals
Description: Our LM/LUU series linear ball bearings are designed for unlimited-stroke linear motion systems. Constructed from hardened bearing steel (GCr15/100Cr6) with precision-ground raceways and a polyamide resin retainer, they feature 3-6 ball circuits for uniform load distribution. The double rubber seals (UU) prevent dust and contamination, extending service life. With a low friction coefficient (0.001-0.004), it enables high-speed and smooth operation, and the standard metric sizes (LM6UU to LM60UU) ensure broad interchangeability. Ideal for CNC machine tools, 3D printers, automation assembly lines, packaging machinery, textile equipment, medical devices, and optical instruments.
2. Extended Type Linear Bearing (LM-L/LME-L Series)
Product Title: LM-L Series Long Linear Bearing / Extended Linear Motion Bushing / Lengthened Linear Ball Bearing
Description: The LM-L (extended) series linear bearings offer the same precision as standard LM units but with increased length to enhance radial load capacity and rigidity. The longer design reduces deflection and improves stability under heavy loads. Manufactured from hardened bearing steel with double seals (UU) and precision ball retainers, it maintains low friction and smooth linear motion. Perfect for industrial automation, robotic arms, heavy-duty linear guides, precision conveyors, and machine tool slides.
3. Flanged Linear Bearing (LMF/LMK Series)
Product Title: LMF Series Flanged Linear Bearing / Round Flange Linear Ball Bushing / Flanged Linear Motion Bearing
Description: LMF series flanged linear bearings feature an integrated round flange for direct, secure mounting without additional fixtures. The flange ensures accurate alignment and simplifies installation. Made from hardened bearing steel with double seals (UU) and precision ball circuits, it delivers high precision, low friction, and strong durability. The standard metric sizes ensure broad compatibility, making it ideal for automation equipment, semiconductor machinery, printing equipment, medical instruments, and 3D printers.
4. Open Type Linear Bearing (LM-OP/LME-OP Series)
Product Title: LM-OP Series Open Linear Bearing / Slotted Linear Ball Bushing / Open Type Linear Motion Bearing
Description: The LM-OP open series linear bearings feature a longitudinal slot (open design) to accommodate shaft mounting in restricted spaces and allow clearance adjustment. Made from hardened bearing steel with a precision retainer and circulating balls, it maintains low friction and smooth linear motion. The metric sizes are compatible with industry standards, suitable for special machinery, custom linear systems, confined-space assemblies, and precision measuring devices.
5. Stainless Steel Linear Bearing (LM-SUS Series)
Product Title: LM-SUS Stainless Steel Linear Bearing / Corrosion-Resistant Linear Motion Bushing / Stainless Steel Linear Ball Bearing
Description: LM-SUS series linear bearings are fully constructed from AISI 304/316 stainless steel for excellent corrosion resistance. Precision-ground raceways and a stainless steel retainer ensure smooth, low-friction linear motion. Double rubber seals (UU) protect against contaminants, making it suitable for use in harsh, humid, or sterile environments. Standard metric sizes are available, ideal for food processing machinery, pharmaceutical equipment, medical devices, marine applications, and cleanroom automation.
| Item | Specification |
| Material (Outer Ring) | Hardened bearing steel (GCr15/100Cr6) or Stainless steel (AISI 304/316) |
| Retainer |
High-strength polyamide resin (PA66) |
| Balls | High-precision chrome steel (GCr15) |
| Seals | Nitrile rubber (NBR) - double-sided (UU) |
| Hardness | HRC 60-64 |
| Precision | ABEC-1 / P6 (standard) |
| Friction Coefficient | 0.001-0.004 |
| Operating Temperature | -20°C to +80°C |
| Lubrication | Lithium-based grease (standard) |
| Customization | Available (size, material, performance) |
| Model | d (mm) | D (mm) | L (mm) | Dynamic Load (Cr/N) | Static Load (Cor/N) | Weight (g) |
| LM6UU | 6 | 12 | 19 | 218 | 147 | 8 |
| LM8UU | 8 | 15 | 24 | 328 | 216 | 14 |
| LM10UU | 10 | 19 | 29 | 445 | 302 | 23 |
| LM12UU | 12 | 22 | 32 | 637 | 426 | 32 |
| LM16UU | 16 | 28 | 37 | 1019 | 677 | 58 |
| LM20UU | 20 | 32 | 42 | 1323 | 922 | 78 |
| LM25UU | 25 | 40 | 59 | 2215 | 1500 | 146 |
| LM30UU | 30 | 45 | 64 | 2745 | 1960 | 195 |
| LM35UU | 35 | 52 | 70 | 3430 | 2548 | 275 |
| LM40UU | 40 | 60 | 80 | 4704 | 3430 | 390 |
| LM50UU | 50 | 75 | 100 | 7350 | 5390 | 680 |
| LM60UU | 60 | 90 | 110 | 9800 | 7056 | 920 |
| Model | d (mm) | D (mm) | L (mm) | Dynamic Load (Cr/N) | Static Load (Cor/N) | Weight (g) |
| LM6L | 6 | 12 | 29 | 314 | 206 | 12 |
| LM8L | 8 | 15 | 37 | 470 | 304 | 21 |
| LM10L | 10 | 19 | 45 | 637 | 421 | 35 |
| LM12L | 12 | 22 | 57 | 931 | 608 | 57 |
| LM16L | 16 | 28 | 67 | 1470 | 951 | 105 |
| LM20L | 20 | 32 | 80 | 1960 | 1274 | 149 |
| Model | d (mm) | D (mm) | L (mm) | Flange Dia. (mm) | Flange Thickness (mm) | Dynamic Load (Cr/N) | Static Load (Cor/N) |
| LMF6UU | 6 | 12 | 19 | 22 | 3.5 | 218 | 147 |
| LMF8UU | 8 | 15 | 24 | 26 | 4.0 | 328 | 216 |
| LMF10UU | 10 | 19 | 29 | 32 | 4.5 | 445 | 302 |
| LMF12UU | 12 | 22 | 32 | 36 | 5.0 | 637 | 426 |
| LMF16UU | 16 | 28 | 37 | 45 | 5.5 | 1019 | 677 |
| LMF20UU | 20 | 32 | 42 | 52 | 6.0 | 1323 | 922 |
| Model | d (mm) | D (mm) | L (mm) | Dynamic Load (Cr/N) | Static Load (Cor/N) | Weight (g) |
| LM6OP | 6 | 12 | 19 | 196 | 132 | 7 |
| LM8OP | 8 | 15 | 24 | 294 | 196 | 13 |
| LM10OP | 10 | 19 | 29 | 392 | 274 | 21 |
| LM12OP | 12 | 22 | 32 | 588 | 392 | 30 |
| LM16OP | 16 | 28 | 37 | 931 | 617 | 54 |
| LM20OP | 20 | 32 | 42 | 1176 | 823 | 73 |
Application Fields
Our linear bearings are widely used in various industrial fields, including but not limited to: CNC machine tools, 3D printers, industrial automation equipment, robotic arms, packaging machinery, textile equipment, medical devices, optical instruments, semiconductor machinery, printing equipment, food processing machinery, pharmaceutical equipment, marine applications, cleanroom automation, precision conveyors, machine tool slides, special machinery, custom linear systems, confined-space assemblies, and precision measuring devices.
Q1: Are you a factory or a trader?
A: We are a manufacturer integrating industry and trade. Welcome to visit our company.
Q2: Can I add my LOGO to the product?
A: We support on-demand customization, including LOGO customization, color customization, appearance size customization, etc.
Q3: What payment methods do you support?
A: We support T/T, Western Union, PayPal, cash, etc. The details can be negotiated.
Q4: What are your modes of transportation?
A: We usually choose the appropriate mode of transportation (sea, air, land) according to the conditions of the goods, or we can choose the mode of transportation according to your requirements.
Q5: How can I get an accurate quotation?
A: You can first send your specific demand information and product pictures, and we will customize a solution for you according to your needs and inform you of the specific price.
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