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Miniature Linear Guides Long Blocks (E-SMLGB20H)

Miniature Linear Guides Long Blocks E-SMLGB20H
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Check FAQ of this product (8 items)

MISUMI

MiSUMi Economy 59

MISUMI

Miniature Linear Guides Long Blocks
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.): 40 and 670
● Assembly Height (mm.): 8, 10, 13, and 16
● Option: Set (Rail + Block) / Block only
● Material: Rail- Bearing Steel, Block - SUS440C
[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-SMLGB20H

Economy Miniature Linear Guide - Long Block

PrecisionVersatilityCost-effective

- Rail lengths available in multiple options

- Multiple assembly heights available

- Options for rail and block set or block only

- Constructed with Carbon Steel for durability

- Economical choice compared to standard MISUMI products

Economy Miniature Linear Guide - Long Block
MISUMI Economy Logo

MISUMI Standard
MISUMI Standard

Cheaper Price
Cheaper Price

Product Variety
Product Variety

3D CAD
3D CAD Support

Product Overview
Linear guides (also known as slide rails or linear slides) are designed for precise linear motion and are used in high-precision applications. They provide higher load capacity and motion accuracy than linear bearings of the same size.
These guides use rolling elements (such as steel balls) instead of an intermediate medium, allowing for smooth, precise movement even under high load conditions. They are commonly used in equipment like CNC machines, robotics, and automated systems.
Product Comparison
 MISUMI Standard Product
SSELB8-100		Economy Series
E-MLG7H-100
MaterialStainless SteelCarbon Steel
Hardness56HRC up58HRC up
Basic Rated Load C (Dynamic) (kN)1.61.37
Basic Rated Load Co (Static) (kN)2.41.96
Static Allowable Moment MA/MB (N・m)7.54.8
Static Allowable Moment MC (N・m)97.64
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
RoHS10CompliantNon-compliant
*Running parallelism varies by rail length.
Dimensional Drawing
Dimensional drawing of MISUMI micro linear guide
■ Material
TypeMaterialRail Surface TreatmentHardnessPreload
Guide RailBlock
E－MLGBearing SteelStainless Steel-58-62HRCZ0 Ordinary Grade
No Gap Type
E－GMLGVacuum evaporated chrome plating
E－SMLGStainless Steel-55-58HRC
E－MLGB-Stainless Steel--
 
Specification Table
E-GMLGH
■ Component kit
Part NumberLength L
(1mm increments)		Block Dimensions (mm)Guide Rail Dimensions (mm)
TypeNominal ModelWBB1L1L2CM×ℓH2GnWRHRNHH1Counterbore
d×D×h		PE

E－MLG

E－GMLG

E－SMLG

7H40～90017122.520.7530.7113M2×2.51.5Φ1.274.8581.52.4×4.2×2.315Please refer to the L specified size calculation table
9H45～900201528.539.916M3×31.8Φ1.496.55.51023.6×6×3.520
12H60～90027203.530.844.7820M3×3.52.5Φ21287.51333.6×6×4.525
15H70～900322541.857.9625M3×43M315108.51643.6×6×4.540
■ Block only
Part NumberBlock Dimensions (mm)
TypeNominal ModelWBB1L1L2CM×ℓH2Gn
E－MLGB7H17122.520.7530.7113M2×2.51.5Φ1.2
9H201528.539.916M3×31.8Φ1.4
12H27203.530.844.7820M3×3.52.5Φ2
15H322541.857.9625M3×43M3
The dimensional tolerance of L length is ±1mm and
 the dimensional tolerance of E end distance is ±0.5mm

■ L Detailed dimension of 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 slide rail at this time.
In addition, E dimension is calculated with the formula below.
Economy series Linear Guide Length Specified Type E Dimension Calculation Formula  Economy series Linear Guide Length Specified Type E Dimension Calculation Formula
L : Guide Rail length
M: Guide Rail mounting holes
P: Guide Rail holes pitch

■ Economical Miniature Linear Guide - Standard Guide -
Nominal Model7H9H12H15HNumber of mounting holes
M
L-45～47-70～872
40～5048～6760～8288～1273
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
P15202540　
Nominal Model7H9H12H15HNumber of mounting holes
M
L471～485628～647783～807-32
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
 
Precision Benchmark
●Dimensional Precision
Unit：μm
Linear Guide TypePrecision CriteriaMISUMI Standard Products
Miniature Linear GuideHeight H Tolerance±40
Height H Pair Variation40
Width N Tolerance±40
Width N Pair Variation40
*Compared to 2022, the accuracy of Economy series products has been improved.
●Running Parallelism
Rail Length (mm)Accuracy grade (μm)
50 or Less16
50-8018
80-12521
125-20021
200-25022
250-31523
315-40025
400-50026
500-63028
630-80030
800-90032
Diagram of Dimensional Precision of the Linear Guide

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

Diagram of Running Parallelism of the Linear Guide
 
Allowable Load
Nominal modelBasic Rated LoadStatic Allowable MomentMass
C(Dynamic）
kN		Co（Static）
kN		MA・MB
N.m		MC
N.m		Blocks
kg		Guide Rails
kg/m
7H1.371.964.87.640.01240.22
9H2.554.0218.6219.60.02150.38
12H3.725.8836.2638.220.0440.65
15H6.379.1157.8273.50.08471.06
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 control 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.
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 If you have anti-rust requirements, please choose the Vacuum 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.
② Recommend grease filling 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.
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
Flatness of MISUMI mounting surface

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

③ Whether the error values of guide parallelism and fitting height are within the allowable installation values
Allowable height error tolerance of linear-guides

Installation method of linear guides

④ Use the standard
Installation method of linear guides
installation method Click here for the detailed installation method
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 Guides 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-SMLGB20H
Part NumberStandard Unit PriceMinimum order quantityVolume DiscountDays to ShipRoHSBlock 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 Length L
(mm)

SGD 28.40

1 Piece(s)Available 6 Day(s) 10---------Lubrication Applied-------

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Basic Information

Ball Arrangement Miniature Type Retainer N/A Rolling Element Ball

Please check the type/dimensions/specifications of the part E-SMLGB20H in the Miniature Linear Guides Long Blocks series.

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Specification/Dimensions

  • Block Type

    • Long
      • Long 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

    • Specified Type

    Clear

  • Applicable Linear Guide

    • E-GMLG7H / E-SMLG7H
    • E-GMLG9H / E-SMLG9H
    • E-GMLG12H / E-SMLG12H
    • E-GMLG15H / E-SMLG15H

    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

  • Length L(mm)

     

    Clear

  • Lubrication Type

    • Lubrication Applied

    Clear

  • CAD

    • 2D
    • 3D

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Days to Ship

    • All
    • Same day
    • 6 Day(s) or Less
    • 9 Day(s) or Less
    • 15 Day(s) or Less

    Clear

Specify Alterations

  • The specifications and dimensions of some parts may not be fully covered. For exact details, refer to manufacturer catalogs .

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

Similar Part Numbers

Part Number
E-GMLGB9H
E-MLGB12H
E-MLGB15H
E-SMLGB5H
E-SMLGB7H
E-SMLGB9H
Part NumberStandard Unit PriceMinimum order quantityVolume DiscountDays to ShipRoHSBlock 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 Length L
(mm)

SGD 14.80

1 Piece(s)Available 15 Day(s) ----------Lubrication Applied-------

SGD 10.79

1 Piece(s)Available Same day 10[Long] Long Block1312Standard RailBlock Only[Clearance] Normal ClearanceStandard GradeStainless Steel----E-GMLG12H / E-SMLG12HCarbon Steel (Bearing Steel)---

SGD 12.81

1 Piece(s)Available Same day 10[Long] Long Block1615Standard RailBlock Only[Clearance] Normal ClearanceStandard GradeStainless Steel----E-GMLG15H / E-SMLG15HCarbon Steel (Bearing Steel)---

SGD 22.50

1 Piece(s)Available 6 Day(s) 10---------Lubrication Applied-------

SGD 13.10

1 Piece(s)Available 9 Day(s) 10---------Lubrication Applied-------

SGD 13.10

1 Piece(s)Available 9 Day(s) 10---------Lubrication Applied-------

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