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Miniature Linear Guides Wide Rails (E-GMLGW9-50)

Miniature Linear Guides Wide Rails (E-GMLGW9-50)
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Product Overview
  Linear guide, also known as slide rail or linear slide, which is used for linear reciprocating motion, has higher rated load and linear motion precision than linear bearings under the same moving component volume. Also, it bears a certain torque load, achieving high-precision linear motion under high load.
  Used to support and guide moving parts, linear guides make reciprocating linear motion in a specified direction. It is mainly used in mechanical structures with high precision requirements. Rolling steel balls are used instead of intermediate medium between the moving element and the fixed element of the linear guide 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 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.
Dimensional Drawing
MISUMI Miniature Linear Guide Slider dimension drawing
Specifications Overview
Block TypeSurface TreatmentNominal ModelOptional length L
Optional Height H
Carbon Steel
Standard block typeNo Surface Treatment7,9,12,1550 to 6709,12,14,16
Vacuum Chrome Plating
If you have requirements on anti-rust performance, please give priority to product models in the vacuum chrome plating series.
For vacuum chrome plating products, only the rail part is treated, while the cut surface on both ends is not treated.
Optional heights and lengths are within the overall range of this series. Refer to the Specification Table for details.
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.
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 

  • Incomplete part number.
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    Incomplete part number.
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Part Number
Part NumberPriceMinimum Order Qty.Volume DiscountDays to ShipSố ngày giao hàngRail Length L
Assembly Height H
No. of Blocks Set / Single Item Nominal Part Number Surface Treatment


1 Piece(s) 8 Day(s) 50121Set9Vacuum Chrome Plating


  1. 1

Dimensional Drawing
MISUMI Miniature Linear Guide Slider dimension drawing
Specification Table
Block TypeSurface TreatmentNominal ModelOptional length L
Optional Height H
Carbon Steel
Standard Block Type (Kit)No Surface Treatment7,9,12,1550 to 9009,12,14,16
Vacuum Chrome Plating
Standard Block Type (Single block)No Surface Treatment7,9,12,15-9,12,14,16

■ L Dimension Configurable Type
 Nominal ModelL
(Specified Length)
Unit Dimensions (mm)Block Dimensions (mm)Guide Rail Dimensions (mm)
Standard block type750 to 90091.95.525193102131.2φ1.2M3×31.8514- refer to the calculation table below30
950 to 900122.9630214.51227.539.75φ1.2M3×32.418-764.53.630
1270 to 900143.48402861531.345.9φ1.2M3×3.62.824-8.584.54.540
1570 to 900163.4960457.5203854.85M3M4×4.23.242239.584.54.540
The kit includes 1 block. For additional blocks, please purchase a single block model.
This product is made of carbon steel. If you have requirements on anti-rust performance, please select the vacuum chrome plating model.
For the vacuum chrome plating model, treatment is made to rails only, not the cut surface.
Dimension E of length specified type needs to be calculated. Please refer to "Detailed dimension of Dimension L specified type" for calculation method.
The running parallelism is the value after the slide rail is fixed. (It is not the value before the screws of the slide rail are tightened.)
 Optional heights and lengths are the overall range of this series. Refer to the Specification Table for details.

■Allowable Load
Nominal ModelBasic Rated LoadStatic Allowable MomentMass
C (Dynamic)
Co (Static)
Blocks kgGuide Rails

■ 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
Miniature Linear Guides Wide Rails -Standard rail-
h9121416Number of mounting holes

Precision Benchmark
Dimensional Precision
Unit: μm
Dimensional Precision TypePrecision StandardNormal
MiniatureHeight H Tolerance±40
Height H Pair Variation30
Width N Tolerance±40
Width N Pair Variation30

●Running Parallelism
Rail Length (mm)Accuracy grade (μm)
50 or Less12
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

Basic InformationThông tin cơ bản

Block Type Standard Block Rail Type Wide Rail Preload Clearance
Accuracy Standards Standard Grade Material Carbon Steel Lubrication Type Lubrication Applied

Frequently asked question (FAQ)FAQ

Question:Question: Can linear guides or sliders be purchased separately?
Answer: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:Question: Can the stainless steel guide rails be guaranteed not to rust?
Answer: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:Question: What problems should be paid attention to when the linear guide is installed vertically?
Answer:Answer: Attention should be paid to prevent the slider from falling off and causing the balls to fall off during installation.
Question:Question: What does micro preloading in linear guide mean?
Answer: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:Question: Linear guide indicators include basic dynamic load rating and basic static load rating. Which indicator is the reference when selecting?
Answer: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:Question: Can the corresponding linear guide products be selected according to the third-party guide rail model?
Answer: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:Question: Can the rail or slider be repaired if it is damaged?
Answer:Answer: Repair service is not provided, re-purchase is recommended.
Question:Question: Can linear guide length be arbitrarily specified?
Answer: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) HideĐóng.