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Linear Guide Short Block-Low Profile EG Type (ROHS Compliant) (E-ELGH20SAB)

Linear Guide Short Block-Low Profile EG Type (ROHS Compliant) E-ELGH20SAB
  • Volume Discount

Linear Guides Short Blocks-Low Profile
These linear guides or linear slides are an economy item, The price is cheaper than the MISUMI standard product.They offer a wide variety of sizes to choose from.
[Feature]
● Rail Length Minimum/Maximum (mm.): 100 and 1980(3960)
● Assembly Height (mm.): 24, 28, 33, 42,
● Block Type : Short Block Low Profile
● Option: Set (Rail + Block) / Block only
● Material: Carbon Steel 56HRC
[Application]
It is used in a variety of machines such as CNC machines, 3D printers, measuring instruments, and so on.

(i)Caution

  • **RoHS Compliant Type

Part Number

Configured Part Number is shown.

E-ELGH20SAB


Product Overview
  The Linear Guide, also known as a guide rail, linear rail, or linear slide rail, is used for linear reciprocating motion applications. It has a higher rated load and linear motion accuracy than linear bearings within the same component volume. It can also bear a certain torque load, achieving high-precision linear motion under heavy load conditions.
  Linear Guides are used to support and guide moving parts, performing reciprocating linear motion in a specified direction. They are mainly used in machinery structures that require high precision. Instead of an intermediary medium, rolling steel balls are used between the moving and fixed components of the Linear Guide.
Product Features
Feature 1: Standard Seal for the rail to prevent dirt accumulation in the mounting holes during equipment use.
Feature 2: The rail and sliding block are connected by rolling balls, minimizing wobble, making them suitable for precision-demanding equipment.
Feature 3: Point-to-surface contact results in minimal frictional resistance, achiving fine movement and precise positioning.
Feature 4: Since the balls have their own rolling grooves, the force on the rolling surface is distributed, allowing for a higher load capacity.
Feature 5: Linear Guides are less likely generate frictional heat during operation and are resistant to thermal deformation, making them suitable for high-speed motion.
Example of Use
■About Usage
① MISUMI Linear Guides are equipped with retainers, so steel balls are not easily dislodged when removing the sliding block. However, if the block is removed from the rail at high speed or inserted at an angle, balls may dislodge. Please disassemble and reassemble the block carefully.
②Avoid hitting the ball return cap plate, as this may disrupt ball circulation, resulting in poor sliding performance.
③For rust prevention, it is recommended to choose products with low-temperature black chrome plating or stainless steel SUS440C material.
*Currently this series do not have both low temperature block chorome plating and SUS440C models
misumi经济品直线导轨滑台注意事项

■Maintenance (Lubricant Application)
①Lubricant forms an oil film on the surface of the balls and rail of the Linear Guides, effectively reducing friction and preventing sintering.
Decrease and aging of lubricant can significantly impact the lifespan of the Linear Guide, so please replenish lubricant as needed according to usage conditions.
MISUMI Linear Guides are pre-lubricated at the factory, so they can be used directly.
②Recommended Lubrication Interval:
Typically, lubricate once every 3 months.
Adjust the maintenance interval as needed, with a recommended lubricant check every 100 km.
**The lubrication interval is based on standard travel distance. In harsh environments with severe lubricant aging or contamination, shorten the interval accordingly.
Precautions
To ensure proper usage, Linear Guide installation must meet the following 4 points:
①Ensure no interference in the installation surface shape.
linear-guides安装面要求形状

②Maintain the flatness of the workpiece installation surface within approximately 5μ, or the sliding blocks may slightly deform.
misumi安装面平面度

③Ensure that rail parallelism and height alignment error values are within allowable installation limits.
米思米平行度误差容许值

linear-guides高度误差容许值

④Use a standardized installation method.
直线导轨的安装方法linear-guides
For detailed installation instructions, click here.
Application Example
使用案例linear-guides
Mechanism Name: Belt-Driven Conveying Device
Feature 1: Suitable for medium-precision, medium-frequency driving and positioning.
Feature 2: One Linear Guide is centrally configured for compact design.

For more details, click here.
Application Industries
Medical Smartphone
米思米直线导轨在医疗行业的应用 linear-guides在智能手机行业的应用
Robot Electronic appliances
米思米直线导轨在机器人行业的应用 misumi直线导轨滑台在电子家电行业的应用
Related Products
Miniature Linear Guides - Standard Blocks,
Light Preload / Slight Clearance
 Miniature Linear Guides - Wide Rails - Standard Blocks,
Light Preload / Slight Clearance
 Linear Guides for Heavy Load - Normal Clearance
微型直线导轨 标准滑块型 轻预压型 misumi 微型直线导轨 滑轨加宽型 misumi misumi重载直线导轨
Representative Model:SSEB10-55 Representative Model:SSEBW12-200 Representative Model:SXR24-280
Related Documents
For Linear Guide installation instructions, please refer here.
Dimension
米思米中载直线导轨滑台尺寸图
Length L tolerance: ±2mm
This product has no surface treatment; please ensure rust prevention.
 
Specification Table
 
订货范例
■Set(Rail & Block assembled)
TypeLength L
(Unit: 1mm)
Block Dimension mmGuide Rail Dimension mm
TypeNominal ModelWBB1L1L2CG×h2L3H4H5W1W2HH2CounterboredPH1EGuide Rail
Fixing Bolt
d2×d1×h1
E-ELGH*SA15100~39603426441.123.126M4×65.75.56159.5244.54.5×7.5×4.56012.5Please refer to
L-Specified
Dimension
lation Table
M4×16
204232650.22932M5×71267.520112866×9.5×8.515.5M5×16
2548356.559.535.535M6×912882312.53377×11×918M6×20
30200~396060401071.541.540M8×121299281642107×11×98023M8×25

■Single Block
TypeBlock Dimension mm
TypeNominal ModelWBB1L1L2CG×h2L3H4H5
E-ELGH*SAB153426441.123.126M4×65.75.56
204232650.22932M5×71267.5
2548356.559.535.535M6×91288
3060401071.541.540M8×121299
■Allowable Load
Nominal ModelBasic Rated LoadStatic Allowable MomentMass
C(Dynamic)
kN
Co(Static)
kN
MA・MB
kN-m
MC
kN-m
Block kgGuide Rail
kg/m
153.916.860.040.080.091.25
205.289.30.060.130.152.08
258.3214.240.120.230.252.6
3011.9920.510.210.40.454.35

直线导轨静态容许力矩
■Detailed Dimensions for L-Specified Type
The ends of the rail are cut equally for the L-specified type. The number of rail mounting holes (M) is shown in the table below.
In addition, the formula for calculating the E dimension is as follows:
E尺寸计算公式
尺寸指定型直线导轨G尺寸计算公式
Nominal Model15202530Number of Mounting Holes
M
L100~131100~139100~141-2
132~191140~199142~201200~2793
192~251200~259202~261280~3434
252~311260~319262~321344~4235
312~371320~379322~381424~5036
372~431380~439382~441504~5837
432~491440~499442~501584~6638
492~551500~559502~561664~7439
552~611560~619562~621744~82310
612~671620~679622~681824~90311
672~731680~739682~741904~98312
732~791740~799742~801984~106313
792~851800~859802~8611064~114314
852~911860~919862~9211144~122315
912~971920~979922~9811224~130316
972~1031980~1039982~10411304~138317
1032~10911040~10991042~11011384~146318
1092~11511100~11591102~11611464~154319
1152~12111160~12191162~12211544~162320
1212~12711220~12791222~12811624~170321
1272~13311280~13391282~13411704~178322
1332~13911340~13991342~14011784~186323
1392~14511400~14591402~14611864~194324
1452~15111460~15191462~15211944~202325
1512~15711520~15791522~15812024~210326
1572~16311580~16391582~16412104~218327
1632~16911640~16991642~17012184~226328
1692~17511700~17591702~17612264~234329
1752~18111760~18191762~18212344~242330
1812~18711820~18791822~18812424~250331
1872~19311880~19391882~19412504~258332
1932~19911940~19991942~20012584~266333
1992~20512000~20592002~20612664~274334
P6080 
Nominal Model15202530Number of Mounting Holes
M
L2052~21112060~21192062~21212744~282335
2112~21712120~21792122~21812824~290336
2172~22312180~22392182~22412904~298337
2232~22912240~22992242~23012984~306338
2292~23512300~23592302~23613064~314339
2352~24112360~24192362~24213144~322340
2412~24712420~24792422~24813224~330341
2472~25312480~25392482~25413304~338342
2532~25912540~25992542~26013384~346343
2592~26512600~26592602~26613464~354344
2652~27112660~27192662~27213544~362345
2712~27712720~27792722~27813624~370346
2772~28312780~28392782~28413704~378347
2832~28912840~28992842~29013784~386348
2892~29512900~29592902~29613864~394349
2952~30112960~30192962~30213944~396050
3012~30713020~30793022~3081-51
3072~31313080~31393082~314152
3132~31913140~31993142~320153
3192~32513200~32593202~326154
3252~33113260~33193262~332155
3312~33713320~33793322~338156
3372~34313380~34393382~344157
3432~34913440~34993442~350158
3492~35513500~35593502~356159
3552~36113560~36193562~362160
3612~36713620~36793622~368161
3672~37313680~37393682~374162
3732~37913740~37993742~380163
3792~38513800~38593802~386164
3852~39113860~39193862~392165
3912~39603920~39603922~396066
P6080 
Material Specification
TypeSet(Rail & Block Assembled) / Single Item[ M ] Material[ H ] Hardeness
E-ELGH*SASet(Rail & Block Assembled)Carbon Steel58HRC~
E-ELGH*SABSingle block
 
Guide Rail NominalGrease Nipple Thread Nominal * Thread Pitch * Thread LengthGrease Nipple Material
15M4*0.7*5Brass
20M6*1*6
25
30
Alterations
Alterations CodeSpec.
2-blocks SpecificationB2An additional block is added to the single block product, delivered as a 2-block assembly
If the rail is too short to accommodate multiple blocks, the blocks will be packaged separately
3-blocks SpecificationB32 additional blocks are added to the single block product, delivered as a 3-block assembly
If the rail is too short to accommodate multiple blocks, the blocks will be packaged separately
4-blocks SpecificationB43 additional blocks are added to the single slider product, delivered as a 4-block assembly
If the rail is too short to accommodate multiple blocks, the blocks will be packaged separately
Parallel Use of Dual Axes
W2The height tolerance H of two guide rails is set within 0.02mm
The width tolerance N of two guide rails is set within 0.02~0.03mm
Please ensure to order in actual quantity (in pairs like 2 pcs)
Specify End DistanceSpecify Left End Distance
ES
The end distance is specified in units of 0.5mm. If the specified end distance is greater than or close to the hole spacing, cutting may cause a hole to break. If only one side is specified, the other side will be cut according to the remaining length.
EB+ES=2E  
EB+ES = 2E If it cannot be cut, it will be divided equally according to the standard.
Specify Right End Distance
EB
Precision
Unit:mm
Dimensional Precision TypePrecision Standard15,2025,30
Low & High Profile Linear GuideHeight H Dimensional Tolerance±0.1±0.1
Height H Variation0.020.02
Width N Dimensional Tolerance±0.1±0.1
Width N Variation0.020.03

●Travel Parallelism
Guide Rail Length (mm)Precision Grade (μm)
100-20019
200-30021
300-50023
500-70028
700-90030
900-110033
1100-150036
1500-190039
1900-250043
Selection Calculation
The life of a Linear Guide is divided into
① Travel Distance Life
When Linear Guides bear the load and performs linear reciprocating motion, due to the repetitive stress frequently applied to the rolling elements (balls) or rolling surfaces (rails), a material fatigue spalling phenomenon called flaking occurs. The total travel distance before the first occurrence of this spalling is called the life of the Linear Guide.
② Rated Life
The rated life refers to the total distance that 90% of a group of identical Linear Guides can travel under identical conditions without spalling. The rated life can be calculated using the basic dynamic rated load and the load applied to the Linear Guide according to the following formula.
额定寿命
In practical use of Linear Guides, load calculations should be performed first. It is challenging to calculate the load in linear reciprocating motion due to vibrations or impacts during movement, and the distribution of vibration or impact relative to the linear guide should be considered. In addition, temperature also significantly affects life expectancy. When all these factors are combined, the above formula is modified as follows.
额定寿命
③ Operating Time Life
The service life can be calculated by obtaining the travel distance per unit time. When the stroke length and the number of strokes are constant, it can be calculated using the following formula.
运行时间寿命
Part Number
E-ELGH20SAB
Part NumberStandard Unit PriceMinimum order quantityVolume DiscountDays to ShipRail Length L
(mm)
Rail Width W1
(mm)
Assembly Height H
(mm)
Nominal Part Number Set / Single Item Basic Load Rating: Dynamic Load
(N)
Basic Load Rating: Static Load
(N)
Allowable Static Moment MA
(N⋅m)
Allowable Static Moment MB
(N⋅m)
Allowable Static Moment MC
(N⋅m)
Rail Mounting Hole Pitch
(mm)
L Dimension Type Applicable Linear Guide

SGD 12.70

1 Piece(s)Available 9 Day(s) --2820Block Only52809300606013060--

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  1. 1

Basic Information

Block Type Short Block Rail Type Standard Rail Preload Normal Clearance
Accuracy Standards Standard Grade Material Carbon Steel Ball Arrangement Medium, Heavy Load Type
No. of Blocks 1 Retainer N/A Lubrication Type Lubrication Applied
Rolling Element Ball Surface Treatment none Lubrication Type Filled with Lithium soap based grease
Block Material Carbon Steel Material-Ball Carbon Steel

Please check the type/dimensions/specifications of the part E-ELGH20SAB in the Linear Guide Short Block-Low Profile EG Type (ROHS Compliant) series.

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Nominal Part Number Set / Single Item Basic Load Rating: Dynamic Load
(N)
Basic Load Rating: Static Load
(N)
Allowable Static Moment MA
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Allowable Static Moment MB
(N⋅m)
Allowable Static Moment MC
(N⋅m)
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