High Precision LME30UU CNC Guide Bushing Linear Motion Bearing

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Item No :LME30UU
Size (d*D*B) :30x47x68mm
Material :Chrome Steel GCr15
Lead Time :3-5 days
Weight :0.325KG
MOQ :100 pcs
Service :Support Sample Testing

⚙️Product Description:

The LME30UU (30 x 47 x 68 mm) is a European standard linear motion ball bushing equipped with dual synthetic rubber contact seals (UU) to prevent contaminant ingress in high-dust industrial environments. Featuring a 30mm shaft bore, a 47mm outer diameter, and a 68mm overall length, it incorporates a heat-treated chromium steel outer sleeve and high-density ball tracks to ensure smooth, low-friction axial travel along hardened guide shafts. We provide factory-direct inventory of our proprietary RMO brand LME30UU bearings for cost-conscious bulk buyers, alongside strategic global brand sourcing options for high-end industrial automation OEM applications.

Close up view of LME30UU linear motion bearing internal steel cage and recirculating ball circuits

⚙️Product Features:

  • European Standard LME Geometry: Engineered to ISO/European metric standards (30x47x68mm) for direct interchangeability across global automation equipment.
  • Dual-Lip Rubber Contact Seals (UU): Double rubber seals retain internal lithium grease while effectively preventing fine metallic dust and coolant intrusion.
  • Hardened Chrome Steel Outer Sleeve: Precision-ground GCr15 outer cylinder provides extreme rigidity and minimal deformation under heavy side loads.
  • Multi-Row Recirculating Ball Guidance: High-precision steel ball circuits deliver smooth rolling friction, minimal stick-slip, and low operating noise during high-speed stroke motion.
  • Flexible Dual-Track Supply: Direct factory stock of proprietary RMO brand bearings for cost optimization, with premium international brand options upon client request.

⚙️Product Application:

  • CNC Machine Tools & Automated Slide Units: Multi-axis CNC routers, automated linear slides, and laser cutting positioning gantries.
  • 3D Printing & Industrial Robotics: Heavy-duty 3D printer gantry rails, pick-and-place robotic arms, and linear motion modules.
  • Packaging & Textile Machinery: Automated labeling machinery, high-speed textile feeding slides, and sorting conveyor mechanisms.
  • Plastic Injection & Woodworking Equipment: Mold ejection guidance rods, woodworking edge-bander linear units, and press machines.

⚙️Precautions:

1. Keep clean2. Use with caution3. appropriate tool4. Hot-loading5. Be careful of rust
Dust will have a bad effect on the bearing, so keep the surrounding clean.Strong impact during use can easily cause scratches and indentations.Avoid replacing existing tools, and use appropriate tools.Bearings are precision parts, so hot installation is recommended.Sweat on your hands during operation will cause rust, so it is best to wear gloves.

⚙️Obtain Certificate:

About Rimao

Since its establishment in 2011, Rimao Bearing has combined international vision with local wisdom and injected innovative ideas into every bearing and pulley with its profound industry accumulation and unremitting pursuit of technology. We have not only passed CE and ROHS certification, but also set a new benchmark in the industry and led the development trend of the bearing industry.
 
We are not just a ball bearing and roller bearing importer and wholesaler. We provide real solutions to help you achieve the product and design goals set by your customers. With more than 20 years of production and sales experience, tens of thousands of models and specifications, we look forward to cooperating with you!

⚙️Technical Parameters:

Model No.LME30UU / LME 30 UU
Size30x47x68mm (Inner d x Outer D x Total Length/Height H)
Bearing CategoryLinear Bearing / European Standard Linear Bushing
Sealing TypeDual-Lip Rubber Seals on Both Sides (UU)
Outer Sleeve MaterialPrecision-Ground GCr15 Chrome Steel
Cage materialNylon / Steel
Precision RatingP0 / P6 (ABEC-1 / ABEC-3) Optional
Ball Circuit Count6 Ball Rows
Target MachineryCNC Machines, Linear Modules, Industrial Robots, Packaging Drives
BrandRMO/Neutral/OEM/Other Brands
Packing Method
Individual plastic bag, plastic tube or original RMO/Other brand box
Lead Time3-5 days for stock; 7-15 days for bulk orders
Shipping PortGuangzhou, Ningbo, Shanghai
Payment100% T/T, or 30% T/T In Advance, 70% T/T After Finished Production

LME30UU bearing drawing

Model No.dDHm
LME33 mm7 mm10 mm1.35 g
LME44 mm8 mm12 mm1.9 g
LME55 mm12 mm22 mm11 g
SDE55 mm12 mm22 mm10 g
LME88 mm16 mm25 mm20 g
SDE88 mm16 mm25 mm20 g
SDE1010 mm19 mm29 mm27 g
LME1212 mm22 mm32 mm41 g
UB-12A12 mm22 mm32 mm41 g
LME1616 mm26 mm36 mm57 g
SDE1616 mm26 mm36 mm53 g
LME2020 mm32 mm45 mm91 g
LME2525 mm40 mm58 mm215 g
SDE25Y25 mm40 mm58 mm170 g
LME3030 mm47 mm68 mm325 g
LME4040 mm62 mm80 mm705 g
LME5050 mm75 mm100 mm1130 g
LME6060 mm90 mm125 mm2220 g
LME80GA80 mm120 mm165 mm5140 g

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