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Miniature Linear Guides Standard (E-SMLGB20)

Miniature Linear Guides Standard E-SMLGB20
  • Volume Discount
Check FAQ of this product (8 items)

MISUMI

MiSUMi Economy

MISUMI

Miniature Linear Guides Standard
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.): 170 and 345
● Assembly Height (mm.): 8, 10, 13 and 16
● Rail Type : Standard Rail
● Option: Set (Rail + Block) / Block only
● Material: Carbon Steel and Stainless Steel
[Application]
It is used in a variety of machines such as CNC machines, 3D printers, measuring instruments, and so on.

Part Number

Configured Part Number is shown.

E-SMLGB20

Economy Miniature Linear Guide

MiniatureLinear GuidePrecision

- Customizable Rail Length For Versatile Applications

- Smooth And Precise Linear Motion

- Suitable For High Precision Equipment

- Available In Carbon Steel And Stainless Steel

- Cost-Effective Solution Without Compromising Performance

Economy Miniature Linear Guide
MISUMI Economy Logo

MISUMI Standard
MISUMI Standard

Cheaper Price
Cheaper Price

Product Variety
Product Variety

3D CAD
3D CAD Support

Product Overview
Linear guide rails, also known as slide rails, linear guides, or linear slide rails, are used for linear reciprocating motion applications. They have a higher rated load than linear bearings while maintaining the same volume of moving components, as well as linear motion accuracy. They can also bear a certain amount of torque load, enabling high-precision linear movement under high load conditions.
Linear guide rails are used to support and guide moving parts, allowing them to move in a reciprocating linear motion along a specified direction. They are mainly used in mechanical structures that require high precision. The moving and fixed components of the linear guide rail do not use an intermediate medium, but instead employ rolling steel balls.
Product Comparison
■ Comparison with Similar MISUMI Product
 Similar MISUMI Product
SSEB10－115		Economy Series
C－GMLG9－115
MaterialStainless SteelCarbon Steel
Hardness56HRC up58HRC up
Basic Rated Load C (Dynamic) (kN)1.51.86
Basic Rated Load Co (Static) (kN)2.52.55
Static Allowable Moment MA/MB (N・m)5.17.35
Static Allowable Moment MC (N・m)10.211.76
Height H Tolerance Difference (μm)±20±20
Height H Pair Variation Difference (μm)1540
Width N Tolerance Difference (μm)±25±25
Width N Pair Variation Difference (μm)2040
Running Parallelism Guarantee (μm)*715
Preload ManagementYN
Model No. Selection ReferenceHeight H ReferenceRail Width WR Reference
RoHS10CompliantNon-compliant
*Running parallelism varies by rail length.
Dimensional Drawing
■ Material
TypeMaterialRail Surface TreatmentHardness
Guide RailBlock
C－MLGBearing SteelStainless Steel-58-62HRC
E－GMLGVacuum evaporated chrome plating
E－SMLGStainless Steel-55-58HRC
C－MLGB-Stainless Steel--
Specification Table

■Component Kit
Part NumberL (Specified Length)Component Dimension (mm)Block Dimension (mm)Guide Rail Dimension (mm)
TypeNominal
WR		HH1NWBB1CL1L2GnMxℓH2WRHrDhdP
Normal Clearance Type
E－GMLG
(Rail:Bearing Steel)
E－SMLG
(Rail:Stainless Steel)		725~90081.5517122.5813.522.65Φ1.2M2×2.51.574.84.22.32.415
935~9001025.520152.51018.929.60Φ1.4M3×31.896.563.53.520
1245~9001337.527203.51520.735.75Φ2M3×3.52.512864.53.525
1570~9001648.532253.52026.743.60M3M3×43151064.53.540

■Single Block
Part NumberBlock Dimension (mm)
TypeNominalWBB1L1L2CM×ℓH2Gn
C－MLGB717122.512.525.348M2×2.51.5Φ1.2
9201517.528.9810M3×31.8Φ1.4
1227203.520.133.915M3×3.52.5Φ2
15322525.141.520M3×43M3
The dimensional tolerance for length L is ±1mm.
The dimensional tolerance for end distance E is ±0.5mm.

■ Allowable Load
NominalBasic Rated LoadStatic Allowable MomentMass
C (Dynamic)
kN		Co (Static)
kN		MA・MB
N.m		MC
N.m		Blcok
kg		Rail
kg/m
70.981.242.844.70.010.22
91.862.557.3511.760.0160.38
122.843.9213.7225.480.0340.65
154.615.5921.5645.080.0591.06

■ Detailed dimension of L dimension specified type
Dimension L specified type cuts both ends of the rail equally. Refer to the table below for the number of mounting holes (M) of the rail at this time.
In addition, Dimension E's calculation formula is as follows
"E"  calculation formula
Economic type Linear Guide Length Specified Type Dimension E Calculation Formula  Economic type Linear Guide Length Specified Type Dimension E Calculation Formula

Economy series Miniature Linear Guide - Standard Guide Type -
H
(Nominal)		8 (7)10 (9)13 (12)16 (15)Number of mounting holes
M
L25～3535～4745～5770～872
36～5048～6758～8288～1273
51～6568～8783～107128～1674
66～8088～107108～132168～2075
81～95108～127133～157208～2476
96～110128～147158～182248～2877
111～125148～167183～207288～3278
126～140168～187208～232328～3679
141～155188～207233～257368～40710
156～170208～227258～282408～44711
171～185228～247283～307448～48712
186～200248～267308～332488～52713
201～215268～287333～357528～56714
216～230288～307358～382568～60715
231～245308～327383～407608～64716
246～260328～347408～432648～68717
261～275348～367433～457688～72718
276～290368～387458～482728～76719
291～305388～407483～507768～80720
306～320408～427508～532808～84721
321～335428～447533～557848～88722
336～350448～467558～582888～90023
351～365468～487583～607-24
366～380488～507608～63225
381～395508～527633～65726
396～410528～547658～68227
411～425548～567683～70728
426～440568～587708～73229
441～455588～607733～75730
456～470608～627758～78231
471～485628～647783～80732
486～500648～667808～83233
501～515668～687833～85734
516～530688～707858～88235
531～545708～727883～90036
546～560728～747-37
561～575748～76738
576～590768～78739
591～605788～80740
606～620808～82741
621～635828～84742
636～650848～86743
651～665868～88744
666～680888～90045
681～695-46
696～71047
711～72548
726～74049
741～75550
756～77051
771～78552
786～80053
801～81554
816～83055
831～84556
846～86057
861～87558
876～89059
891～90060
P15202540 
Alterations
Alterations CodeSpec.
Change to Tapped Holes
MCOrdering code: MC
Change counterbored holes for fixing a guide to tapped holes.
Nominal sizeMC
7M3
9,12M4
15M5
2-Block SpecificationsB21 block added to 1-block product to ship as 2 block item.
 If the rail is too short to fit multiple blocks, the blocks will be shipped in a separate package.
3-Block SpecificationsB32 blocks added to 1-block product to ship as 3 block item.
If the rail is too short to fit multiple blocks, the blocks will be shipped in a separate package.
4-Block SpecificationsB43 blocks added to 1-block product to ship as 4 block item.
If the rail is too short to fit multiple blocks, the blocks will be shipped in a separate package.
Preload adjustmentZFChange Z0: zero preload to
ZF: Normal clearance
Z1: Light preload
Z2: Medium preload
Z1
Z2
Rail End CutLeft End Cut
ES		Specify the edge distance in 0.5 mm increments. When the specified edge distance exceeds or is close to the hole spacing, cutting may result in hole breakage.
EB + ES = 2E. In cases where cutting is not feasible, distribute the dimensions evenly according to the standards.
Right End Cut
EB
*The precision of the Economy series products has been improved.
Precision Benchmark
●Dimensional Precision
Dimensional Precision TypePrecision StandardMisumi
MiniatureHeight H Tolerance±40
Height H Pair Variation40
Width N Tolerance±40
Width N Pair Variation40
●Running Parallelism
Rail Length (mm)Accuracy grade (μm)
Less than 5012
50-8013
80-12515
125-20015
200-25016
250-31517
315-40018
400-50019
500-63020
630-80022
800-90023

直线导轨尺寸精度示意图

[Running Parallelism]
The values in the table are measured after the slide rail is fixed on the base.
When moving the slider within the entire length of the slide rail, measure the change of the upper surface C of the slider relative to the bottom surface A of the slide rail, and the change of the reference surface D of the slider relative to the reference surface B of the slide rail.
When moving the sliding block within the entire length of the slide rail, measure the change of the upper surface C of the slider relative to the bottom surface A of the slide rail, and the change of the reference surface D of the slider relative to the reference surface B of the slide rail.

Product Features
Feature 1: New construction, greatly reducing noise and improving smoothness.
Feature 2: The slide rail and the slider are in contact with each other through the rolling ball, so the shaking is small, and it is suitable for equipment with precision requirements.
Feature 3: Due to a point-to-surface contact, the frictional resistance is small, and it can perform subtle movements to achieve high precision positioning of the device.
Feature 4: It has a large allowable load because the force on the rotating surface is dispersed due to the rolling groove of the ball.
Feature 5: It is suitable for high-speed motion because it is not easy to produce friction heat when operating and not easily deformed by heat.
Precautions
For normal use, the installation of the linear guide needs to meet the following four points:
① Whether the shape of the mounting surface produces interference
Whether the mounting surface produces interference

② Keep the flatness of the workpiece mounting surface at about 5μ, otherwise the slider will be slightly deformed
Flatness of MISUMI mounting surface

③ Whether the error values of guide parallelism and fitting height are within the allowable installation values
MISUMI parallelism error tolerance

④ Use the standard installation method
Installation method of linear guides
Click here for the detailed installation method

Maintenance (supply of grease)
Grease forms an oil film on the surface of the linear guide ball and rolling surface to effectively reduce friction and prevent sintering.
Decrease and aging of grease will greatly affect the life of the linear guide, so please add grease at the right time according to the
service conditions.
MISUMI's linear guides are sealed with the greases listed below at the time of shipment, so they can be used directly.
Miniature: Lithium Soap based Grease
Recommended grease filling interval: Usually every 3 months
Depending on the operating environment, the grease injection interval must be shortened appropriately when the grease is aging and dirty.
Usage Method
■ About use
① MISUMI's linear guide is installed with a retainer. Although the ball is not easy to fall off when the slide block is removed, the ball may fall off if the slider is removed from the rail at high speed, or tilted into the slide rail. Please disassemble the slider with care.
② Be sure to avoid colliding the ball back groove cover, otherwise it will affect the ball cycling, resulting in poor sliding.
③ Economy series Miniature linear guide rail adopts bearing steel. If you have anti-rust requirements, please choose the Low Temp. Black Chrome Plating Surface Treatment or Stainless Steel SUS440C products.
MISUMI Miniature Linear Guide Slider Precautions



■ About maintenance (supply of grease)
① Grease forms an oil film on the surface of the linear guide ball and rail surface to effectively reduce friction and prevent sintering.
Decrease and aging of grease will greatly affect the life of the linear guide, so please add grease at the right time according to the service conditions.
MISUMI's linear guides are sealed with the greases listed below at the time of shipment, so they can be used directly.
Miniature Linear Guide: Lithium Soap-based Grease (MULTEMP Grease PS2)
Medium· and Heavy Duty Linear Guide: Lithium Soap-based Grease (Showa Shell Petroleum Albania Grease S2)
② Recommended Grease Injection Interval:
  Usually every 6 months.
For longer moving distance, 3 months, or when the moving distance exceeds 1000km within the time limit, the 1000km shall prevail.
  *The above is the grease injection interval under the moving distance standard. Depending on the operating environment, the grease injection interval must be shortened appropriately when the grease is aging and dirty.
Example of Use
Example of Use linear-guides
Mechanism Name: 4 times stroke slide
Feature 1: suitable for medium frequency driving and positioning.
Feature 2: transfer the light workpiece on the worktable according to 4 times the distance of the cylinder stroke.

For details, click here
Application Industries
Medical Smart phone
Application of MISUMI Miniature Rail in the Medical Industry Application of linear-guides in the smartphone industry
Robotics Electronic & Electrical Appliances
Application of MISUMI linear guides in the robot industry Application of MISUMI linear guide slide in the electronic home appliance industry
Related Products
Miniature linear guide rail Medium Load linear guide Heavy Load linear guide
Miniature linear guide Standard slider type Slight clearance type MISUMI Medium Load Linear Guide MISUMI MISUMI Heavy Load Linear Guide
Typical model: SSEBZ10-55 Typical model: SVR24-280 Typical model: SXR24-280
Related Documents
For the installation and use of linear guides, please refer to here

Part Number 

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Part Number
E-SMLGB20
Part NumberStandard Unit PriceMinimum order quantityVolume DiscountDays to ShipRoHSRail Length L
(mm) 		Block Type Assembly Height H
(mm) 		Nominal Part Number Rail Type Set / Single Item Preload Accuracy Standards Material No. of Blocks Lubrication Type Lubrication Type L Dimension Type Applicable Linear Guide Block Material (Surface Treatment) Rail Material (Surface Treatment) Rail Surface Treatment

297,297 IDR

1 Piece(s) 17 Day(s) -----------Lubrication Applied------

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  1. 1

Basic Information

Ball Arrangement Miniature Type Retainer N/A Rolling Element Ball

Please check the type/dimensions/specifications of the part E-SMLGB20 in the Miniature Linear Guides Standard series.

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Specification/Dimensions

  • Rail Length L(mm)

    • 35
    • 40
    • 45
    • 55
    • 70
    • 75
    • 85
    • 95
    • 115
    • 120
    • 135
    • 145
    • 150
    • 170
    • 175
    • 195
    • 215
    • 220
    • 230
    • 270
    • 275
    • 345
    • 470
    • 510
    • 590
    • 670

     

    Clear

  • Block Type

    • Standard
      • Standard Block

    Clear

  • Assembly Height H(mm)

    • 8
    • 10
    • 13
    • 16

    Clear

  • Nominal Part Number

    • 7
    • 9
    • 12
    • 15

    Clear

  • Rail Type

    • Standard Rail

    Clear

  • Set / Single Item

    • Set
    • Block Only

    Clear

  • Preload

    • Clearance
      • Normal Clearance

    Clear

  • Accuracy Standards

    • Standard Grade

    Clear

  • Material

    • Carbon Steel
    • Stainless Steel

    Clear

  • No. of Blocks

    • 1

    Clear

  • Lubrication Type

    • Lithium Grease Filled

    Clear

  • L Dimension Type

    • Fixed Type
    • Specified Type

    Clear

  • Applicable Linear Guide

    • C-MLG7 / E-GMLG7 / E-SMLG7
    • C-MLG9 / E-GMLG9 / E-SMLG9
    • C-MLG12 / E-GMLG12 / E-SMLG12
    • C-MLG15 / E-GMLG15 / E-SMLG15

    Clear

  • Block Material (Surface Treatment)

    • Carbon Steel (Bearing Steel)
    • Stainless Steel

    Clear

  • Rail Material (Surface Treatment)

    • Carbon Steel (Bearing Steel)
    • Stainless Steel

    Clear

  • Rail Surface Treatment

    • Vacuum evaporated chrome plating
    • none

    Clear

  • type

    • C-MLG
    • C-MLGB
    • E-GMLG
    • E-SMLG

    Clear

  • Lubrication Type

    • Lubrication Applied

    Clear

  • CAD

    • 2D
    • 3D

    Clear

Days to Ship

    • All
    • Same day
    • 3 Day(s) or Less
    • 10 Day(s) or Less
    • 17 Day(s) or Less
    • 19 Day(s) or Less
    • 20 Day(s) or Less

    Clear

Specify Alterations

Frequently asked question (FAQ)

Question: Can linear guides or sliders be purchased separately?
Answer: Taking into account the accuracy of products, single slider models clearly indicated in the catalog can be purchased, and no others can be purchased.
Question: Can the stainless steel guide rails be guaranteed not to rust?
Answer: Stainless steel is a product that has a certain antirust function compared to carbon steel, but it cannot be guaranteed that it will never rust. Depending on the operating environment, there may also be short-term rust.
Question: What problems should be paid attention to when the linear guide is installed vertically?
Answer: Attention should be paid to prevent the slider from falling off and causing the balls to fall off during installation.
Question: What does micro preloading in linear guide mean?
Answer: MISUMI's linear guides control the clearance by selecting the size of the internal ball. Through the negative clearance, the rigidity is improved and the elastic displacement is reduced. This is preloading. Generally speaking, the life and accuracy of the micro preloading type will be better than that of the standard clearance type.
Question: Linear guide indicators include basic dynamic load rating and basic static load rating. Which indicator is the reference when selecting?
Answer: The basic dynamic load rating is used to calculate the rail life, and the basic static load rating is used to calculate the maximum allowable load.
Question: Can the corresponding linear guide products be selected according to the third-party guide rail model?
Answer: MISUMI offers third-party brand replacement services, so as long as the third party product model is given, we can replace it with corresponding MISUMI model. For details, please contact the customer service email or call the customer service phone.
Question: Can the rail or slider be repaired if it is damaged?
Answer: Repair service is not provided, re-purchase is recommended.
Question: Can linear guide length be arbitrarily specified?
Answer: It can be specified arbitrarily. However, MISUMI linear guides are divided into length fixed type and length specified type, and in case of length specified type, the length dimensions for length fixed type cannot be specified.

Check other FAQ (5 items) Hide

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