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LMEF-L-UU/LMEK-L-UU Long Type European Standard Flange Linear Bearing

Home · Products · Linear Bearing · LMEF-L-UU/LMEK-L-UU Long Type European Standard Flange Linear Bearing
  • LMEF-L-UU/LMEK-L-UU Long Type European Standard Flange Linear Bearing
  • LMEF-L-UU/LMEK-L-UU Long Type European Standard Flange Linear Bearing
LMEF-L-UU/LMEK-L-UU Long Type European Standard Flange Linear Bearing

LMEF-L-UU/LMEK-L-UU Long Type European Standard Flange Linear Bearing

The LMEF-L/LMEK-L series linear bearings are high-performance variants based on European standard flange bearings (LMEF/LMEK), featuring a significantly lengthened (L-type) bearing body design. It combines three core advantages: "European standard interface compatibility," "convenient flange mounting," and "high load capacity and rigidity due to the extended design." It provides a ready-to-use, robust, and reliable complete standard solution specifically designed for export to the European market, for use in European heavy equipment or projects with stringent rigidity requirements in medium to heavy-duty applications.

Inquiry
PREV: LMFP-UU/LMKP-UU Recessed Flanged Linear Bearing Next: LMEF-UU/LMEK-UU European Standard Flange Linear Bearing

Technology

Core Sub-series Comparison and Selection Guide

Product Features LMEF-L-UU (Extended European Standard Round Flange Type) LMEK-L-UU (Extended European Standard Flange Type) Core Selection Logic
Core Positioning An extended standard solution featuring European heavy-duty specifications, high rigidity and easy installation. An extended, reinforced solution for European standards, offering heavy-duty load capacity, resistance to massive torques and ultra-stable installation. For heavy-duty applications in Europe, select the extended L-type first; then choose either the round flange F-type or the square flange K-type based on torque resistance requirements.
Design Philosophy European standard round flange + extended bearing housing. Whilst ensuring seamless integration with European components, the extended design significantly enhances load capacity and bending rigidity. European standard square/rectangular flange + extended bearing housing. This powerful combination of European standard compatibility, the torque-resistance advantages of the flange and the high rigidity of the extended housing creates the ultimate cost-effective solution for the most complex heavy-duty applications in Europe. ‘Extended’ is the cornerstone of performance, whilst ‘European standard square flanges’ ensure torque resistance and integration.
Key Advantages 1. European standard, ready to install: Fully compatible interfaces, zero adaptation required for installation.
2. High load capacity and high rigidity: The extended design delivers a significant increase in rated load capacity and bending rigidity.
3. Excellent value for money: Offers performance approaching that of custom heavy-duty components at the cost of standard parts.		 1. European-standard extreme rigidity: Provides top-tier resistance to combined loads (including torque) within the European standard system.
2. Ultra-stable operation: The combination of long guidance and ultra-stable installation ensures excellent vibration damping.
3. Low total cost of ownership: Standardisation translates to lower procurement, assembly and maintenance costs.		 The LMEF-L is designed for directional heavy-duty lifting, whilst the LMEK-L is intended for multi-directional heavy-duty challenges.
Structural Performance High. Provides extremely high bending rigidity in the extended direction, perfectly meeting European heavy-duty requirements along the axial direction. Exceptional. Delivers outstanding performance when subjected to the off-centre loads, vibrations and impact loads commonly encountered in European heavy-duty equipment, maintaining absolute stability of the load position. When European-standard equipment is subject not only to heavy loads but also to complex stress conditions, the LMEK-L represents the optimal solution within the standard product range.
Installation and Space Requirements Installation is as straightforward as with the LMEF, but requires more axial installation space to accommodate the extended body. Installation is as robust as that of the LMEK, requiring sufficient mounting surface and axial clearance. When selecting the extended version, it is essential to confirm that the European-standard machine frame has sufficient installation length and space for flange mounting.
Typical Applications Applications include European-standard lifting axes for medium-sized machining centres, heavy-duty pusher mechanisms for logistics automation, and large-scale experimental equipment exported to Europe. Exported to Europe for use in drive units for large laser cutting/welding platforms, European standard sliders for heavy-duty robotic seventh axes (ground tracks), and precision guidance mechanisms for wind turbine testing rigs. Applications are specifically targeted at the high-end manufacturing, energy and heavy industry sectors in Europe.

Technology Focus: Why does the European market need extended European standard flange linear bearings?
1. Performance and Standard Unification: The European high-end market demands both compliance with unified standards to reduce integration costs and extremely high requirements for equipment rigidity, lifespan, and reliability. This series is the perfect solution to this contradiction.
2. Direct Upgrade and Replacement: For existing European equipment using standard LMEF/LMEK bearings but facing performance limitations, this series provides an enhanced upgrade path that requires no changes to the interface design, protecting the original investment.
3. Design Synergy: Engineers can directly utilize this extended model within the European standard design framework to meet heavy-duty calculation requirements, achieving a unification of design standardization and high-end performance.

Applications
LMEF-L-UU Linear Bearings: Suitable for vertical lifting or powerful pushing mechanisms that need to comply with European standards and handle large loads but with relatively simple torque requirements. It is the "standard stepping stone" to entering the European heavy-duty market.
LMEK-L-UU Linear Bearings: Suitable for applications fully integrated into the European heavy industrial system, handling heavy loads, high torque, and high dynamic composite challenges. It is the "standard cornerstone" for demonstrating technical strength and providing long-term reliability.

The LMEF-L/LMEK-L-UU series long-type European standard flange linear bearings allow you to meet all expectations of the European market for core motion components of heavy equipment in a standardized, predictable, and high-quality manner.

Parameters

NomInal shaft
diameter
(mm)		 Part No. Weight
(g)		 Major dimenslons and tolerance
Steel dr D Df L
LMEF(K)...UU mm Tolerance(μm) mm Tolerance(μm) mm mm Tolerance(μm)
8 LMEF 8L-UU 59 8 +8 0 16 0-13 32 46 ±300
LMEK 8L-UU 51
12 LMEF 12L-UU 110 12 +8 0 22 0-16 42 61 ±300
LMEK 12L-UU 90
16 LMEF 16L-UU 160 16 +9 -1 26 0-16 46 68 ±300
LMEK 16L-UU 135
20 LMEF 20L-UU 260 20 +9 -1 32 0-19 54 80 ±300
LMEK 20L-UU 225
25 LMEF 25L-UU 540 25 +11 -1 40 0-19 62 112 ±300
LMEK 25L-UU 500
30 LMEF 30L-UU 815 30 +11 -1 47 0-19 76 123 ±300
LMEK 30L-UU 720
40 LMEF 40L-UU 1805 40 +13 -2 62 0-22 98 151 ±300
LMEK 40L-UU 1600
50 LMEF 50L-UU 2820 50 +13 -2 75 0-22 112 192 ±300
LMEK 50L-UU 2620
60 LMEF 60L-UU 4920 60 +13 -2 90 0-25 134 209 ±300
LMEK 60L-UU 4480

Part No. Major dimenslons and tolerance Eccentricity(μm) Squareness(μm) Basic load rating NomInal shaft
diameter
(mm)
Steel Flange dynamic
(C N)		 static
(Co N)
LMEF(K)...LUU K
mm		 t
mm		 Dp
mm		 X
mm		 Y
mm		 Z
mm
LMEF 8L-UU 25 5 24 3.5 6 3.1 15 15 421 804 8
LMEK 8L-UU
LMEF 12L-UU 32 6 32 4.5 7.5 4.1 15 15 813 1570 12
LMEK 12L-UU
LMEF 16L-UU 35 6 36 4.5 7.5 4.1 15 15 921 1780 16
LMEK 16L-UU
LMEF 20L-UU 42 8 43 5.5 9 5.1 17 17 1370 2740 20
LMEK 20L-UU
LMEF 25L-UU 50 8 51 5.5 9 5.1 17 17 1570 3140 25
LMEK 25L-UU
LMEF 30L-UU 60 10 62 6.6 11 6.1 17 17 2500 5490 30
LMEK 30L-UU
LMEF 40L-UU 75 13 80 9 14 8.1 20 20 3430 8040 40
LMEK 40L-UU
LMEF 50L-UU 88 13 94 9 14 8.1 20 20 6080 15900 50
LMEK 50L-UU
LMEF 60L-UU 106 18 112 11 17 11.1 25 25 7550 20000 60
LMEK 60L-UU

Drawings

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