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LME-UU/LME-AJ-UU/LME-OP-UU Linear Bearing

Home · Products · Linear Bearing · LME-UU/LME-AJ-UU/LME-OP-UU Linear Bearing

LME-UU/LME-AJ-UU/LME-OP-UU Linear Bearing

The LME series consists of linear bushing bearings that strictly adhere to mainstream European industrial standard interface dimensions. It inherits the reliability and versatile options (standard/adjustable/open) of the classic LM series, while standardizing its mounting flange, hole positions, and critical mating dimensions to European standards. This series is specifically designed for export to the European market, for use with European equipment, or for automation projects requiring international standardization, ensuring seamless integration and plug-and-play compatibility with the European supply chain.

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Technology

Core Sub-series Comparison and Selection Guide

Functional Dimensions	LME-UU (European Standard Type)	LME-AJ-UU (European Standard Adjustable Type)	LME-OP-UU (European Standard Open Type)	Key Selection Criteria
Core Positioning	An economical, versatile entry-level solution featuring European standard interfaces.	An enhanced solution offering precision, zero backlash and a European standard interface.	A specialised solution offering anti-loosening and fault-tolerant features with a European standard interface.	If a European standard interface is required, select the LME series; then choose between UU, AJ or OP based on accuracy and installation requirements.
Core Value	Provides the standard ‘passport’ for entering the European market. Meets European mechanical interface requirements at minimal cost, delivering basic guiding functionality.	Enables precision motion on European standard platforms. Resolves the issue of backlash that cannot be eliminated with standard European components, meeting the demand for high dynamic precision in European equipment.	Addresses installation and reliability challenges in European standard systems. Provides anti-rotation and anti-loosening protection for European standard equipment operating in vibrating environments or under restricted installation conditions.	The UU model is for compliance, the AJ for enhanced performance, and the OP for ruggedised applications.
Interface Standardisation	Fully compliant with European standards. Flange dimensions, bolt hole pitch (PCD) and thread specifications (e.g. M5, M6, M8) are directly compatible with components from European brands.	Like the LME-UU, it features a standard European interface.	Like the LME-UU, it features a standard European interface.	This is the primary reason for choosing the LME series over the LM series, as it relates to system integration efficiency and supply chain sourcing.
Structure and Functionality	Integrated cylindrical bushing, European standard flange, sealed at both ends (UU).	The European standard bushing incorporates an axial adjustment screw, allowing fine-tuning of the internal clearance to achieve zero backlash.	The European standard bushing has an axial opening, enabling radial locking and anti-rotation via a locking screw.	The functionality corresponds to the equivalent models in the LM series, but the interface has been changed to the European standard.
Typical Use Cases	Lightweight automated equipment, instruments and teaching apparatus exported to Europe.	Compatible with precision detection modules, high-precision assembly units and optical adjustment mechanisms for European host machines.	Vibration-prone guidance points in European construction machinery, agricultural equipment and logistics conveying systems.	This scenario demonstrates the combination of ‘European compliance’ and ‘functional specificity’.

Technical Focus: Practical Significance of European Standard Interfaces
1. Design Collaboration: Engineers can directly use European standard mounting drawings for frame design, ensuring natural compatibility with European servo motors, sensors, and brackets, eliminating the need for adapter plates and custom designs.
2. Supply Chain Efficiency: In the European market, standard mounting plates, motor flanges, protective covers, and other accessories can be easily sourced, simplifying procurement and assembly processes.
3. Market Trust: Using core components that comply with mainstream regional standards significantly enhances the perception of professionalism and reliability among end customers (especially European customers).

Applications
LME-UU: Suitable for all basic linear motion applications requiring compliance with European mechanical interface standards; a cost-effective European standard compliant option.
LME-AJ-UU: Suitable for precision equipment and automation stations in the European market that require specific levels of motion smoothness, positioning accuracy, and long-term stability.
LME-OP-UU: Designed to address component loosening issues caused by vibration in European heavy industry, outdoor, or transportation equipment; a key component for improving the field reliability of European standard equipment.

The LME series of European standard linear bushing bearings is more than just a "European version" of the LM series; it's a strategic engineering choice.
Choosing the LME series means your product possesses the "legal status" and "convenient access" to serve the European market from the fundamental mechanical interface level.
It allows you to focus your energy on developing the core functions of your equipment without worrying about the compatibility of basic components with the European ecosystem.

_Parameters

Nominal shaft diameter (Inch/mm)	Part Number									dr
	LME	Ball circuit	weight(g)	LME-AJ	ball circuit	weight(g)	LME-OP	Ball circuit	weight(g)	mm	Tolerance(μm)
	LME	Ball circuit	weight(g)	LME-AJ	ball circuit	weight(g)	LME-OP	Ball circuit	weight(g)	mm	Precision	High
5	LME5-UU	4	11	-	-	-	-	-	-	5	-	+8 0
8	LME8-UU	4	20	-	-	-	-	-	-	8	-	+8 0
10	LME10-UU	4	29.5	LME10-AJ-UU	4	29	LME10-OP-UU	3	23	10	-	+8 0
12	LME12-UU	4	41	LME12-AJ-UU	4	40	LME12-OP-UU	3	32	12	-	+8 0
16	LME16-UU	4	57	LME16-AJ-UU	4	56	LME16-OP-UU	3	44	16	-	+9 -1
20	LME20-UU	5	91	LME20-AJ-UU	5	90	LME20-OP-UU	4	75	20	-	+9 -1
25	LME25-UU	6	215	LME25-AJ-UU	6	212	LME25-OP-UU	5	181	25	-	+11 -1
30	LME30-UU	6	325	LME30-AJ-UU	6	320	LME30-OP-UU	5	272	30	-	+11 -1
40	LME40-UU	6	705	LME40-AJ-UU	6	694	LME40-OP-UU	5	600	40	-	+13 -2
50	LME50-UU	6	1130	LME50-AJ-UU	6	1110	LME50-OP-UU	5	970	50	-	+13 -2
60	LME60-UU	6	2050	LME60-AJ-UU	6	2000	LME60-OP-UU	5	1580	60	-	+13 -2
80	LME80-UU	6	5000	LME80-AJ-UU	6	4860	LME80-OP-UU	5	4240	80	-	+16 -4

Major dimensions and tolerance										θ	Eccentrcity(μm)	Radial clearan- ce(Max) μm	Basic load rating		Nominal shaft diameter (mm)
D		L		B		W	D1	h	h1				dynamic (CN)	static (Co N)
mm	Tolerance(μm)	mm	Tolerance(μm)	mm	Tolerance(μm)	mm	mm	mm	mm				dynamic (CN)	static (Co N)
12	0-8	22	0-200	14.5	0-200	1.1	11.5	-	-	-	12	-3	206	265	5
16	0-8	25	0-200	16.5	0-200	1.1	15.2	-	-	-	12	-3	265	402	8
19	0-9	29	0-200	22	0-200	1.3	18	1	6.8	80°	12	-4	372	549	10
22	0-9	32	0-200	22.9	0-200	1.3	21	1.5	7.5	78°	12	-4	510	784	12
26	0-9	36	0-200	24.9	0-200	1.3	24.9	1.5	10	78°	12	-4	578	892	16
32	0-11	45	0-200	31.5	0-200	1.6	30.3	2	10	60°	15	-6	862	1370	20
40	0-11	58	0-300	44.1	0-300	1.85	37.5	2	12.5	60°	15	-6	980	1570	25
47	0-11	68	0-300	52.1	0-300	1.85	44.5	2	12.5	50°	15	-8	1570	2740	30
62	0-13	80	0-300	60.6	0-300	2.15	59	3	16.8	50°	17	-8	2160	4020	40
75	0-13	100	0-300	77.6	0-300	2.65	72	3	21	50°	17	-13	3820	7940	50
90	0-15	125	0-400	101.7	0-400	3.15	86.5	3	27.2	54°	20	-13	4700	9800	60
120	0-15	165	0-400	133.7	0-400	4.15	116	3	36.3	54°	20	-20	7350	16000	80