Linear Guide Slider
Linear Guide Slider Manufacturer & Supplier — Baili Guide Rail
Baili Guide Rail manufactures high-precision linear guide sliders — including HG, EG, SBR, and SCS series — engineered for CNC machine tools, industrial robots, and automated assembly systems. Built to ±0.005mm precision with Japanese and German CNC grinding equipment, our sliders are compatible with THK and HIWIN profiles and available from MOQ 1 piece. Standard orders ship within 7–15 days from our 14,000 m² factory in Lishui, Zhejiang. OEM/ODM and custom specifications accepted.
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![SBR Slider]()
SBR SliderThe SBR series slider is a linear motion unit designed to be used with the SBR series round shaft fully supported linear guide rails. It adopts an open structure design and works with the...read more -
![EG Guide Rail Small Slider]()
EG Guide Rail Small SliderIts core design concept is to maintain the core advantages of the EG series—four-directional equal load, high rigidity, and backlash-free performance—within an extremely compact size, making it...read more -
![EG Guide Rail Slider]()
EG Guide Rail SliderEG Guide Rail Slider is designed for high precision linear motion applications, offering smooth operation, excellent load capacity, and long service life. Manufactured with advanced grinding...read more -
![HG Lengthed Slider]()
HG Lengthed SliderHG Lengthed Slider is a high precision linear guide component designed for applications requiring extended travel distance and smooth motion performance. Featuring a longer slider block design, it...read more -
![SCS Slider]()
SCS SliderThe SCS slider is a precision sliding block component specifically designed for linear bearings, delivering smooth and high-precision linear motion. Utilizing premium materials and precision...read more -
![HG Guide Rail Slider]()
HG Guide Rail SliderHG linear guide rail and slider are core components for precision motion transmission. They are extensively applied in automated machinery, CNC machine tools, packaging devices and medical...read more
What Is a Linear Guide Slider?
A linear guide slider (also called a linear slide block or carriage) is the moving component that travels along a linear guide rail, carrying the load from one position to another with high repeatability and minimal friction. It works in conjunction with a precision-ground rail and recirculating ball or roller elements to deliver controlled, smooth linear motion.
Linear guide sliders are a core component in any precision motion system — from CNC machining centers and laser cutting tables to robotic arms and semiconductor handling equipment. The slider's geometry, preload class, and material directly determine system accuracy, load capacity, and service life.
Advantages of Baili Linear Guide Sliders
±0.005mm Precision, German-Standard Grinding
Every slider block is finish-ground on Japanese and German CNC grinding machines under temperature- and humidity-controlled conditions, achieving dimensional tolerances of ±0.005mm. This makes our sliders suitable for demanding applications where positional repeatability is non-negotiable.
Four-Directional Equal Load Capacity
Our EG and HG series sliders use a Gothic-arch raceway profile to distribute radial, reverse radial, and lateral loads equally across all four rows of balls — delivering higher rigidity and moment resistance in a compact envelope.
THK / HIWIN Interchangeability
Baili sliders are dimensionally compatible with THK and HIWIN standard profiles. Drop-in replacement is possible for most HG, EG, and SBR series sizes without modifying your existing rail or mounting interface.
Low Friction, Long Service Life
Special surface coatings combined with precision-ground raceways reduce the friction coefficient during motion, improving energy efficiency and extending lubrication intervals — even under continuous high-frequency cycling.
High Rigidity, Vibration Resistance
The tight fit between slider and rail minimizes play and increases structural rigidity, reducing positioning errors caused by vibration during high-speed operation.
MOQ 1 Piece — OEM / Custom Accepted
Whether you need a single replacement slider or a high-volume OEM supply, Baili supports orders from 1 piece. Non-standard dimensions, special surface treatments, and custom labeling are all available on request.
Linear Guide Slider Specifications
| Parameter | Specification |
|---|---|
| Series | HG, EG, SBR, SCS, HG Lengthed |
| Precision Class | Normal, High, Precision, Super Precision |
| Dimensional Tolerance | ±0.005mm |
| Material | GCr15 bearing steel / 45# steel / stainless steel / aluminum alloy |
| Surface Treatment | Nickel plating / black oxide |
| Raceway Profile | Gothic-arch (EG/HG) / Cylindrical (SBR/SCS) |
| Load Direction | Four-directional equal load (EG/HG series) |
| Lubrication | Grease or oil; grease nipple / oil hole available |
| MOQ | 1 piece |
| Lead Time | 7–15 days (standard); custom on request |
| Interchangeability | THK / HIWIN compatible profiles |
Types of Linear Guide Sliders We Manufacture
HG Series Slider
The HG series is our highest-load recirculating ball slider, featuring a four-row Gothic-arch raceway. It handles radial, reverse-radial, and lateral loads equally and is widely used in CNC machining centers, gantry systems, and heavy-duty automation. Available in standard and lengthened (HG Lengthed) variants.
EG Series Slider
The EG series offers the same four-directional load capacity as HG in a more compact body — available in standard and small (EG Small) sizes. Ideal for space-constrained applications in electronics manufacturing, medical devices, and semiconductor equipment.
SBR Series Slider
The SBR slider is designed for use with supported round-shaft rails (SBR series). Its open-structure design allows easy installation around existing shafts and is a cost-effective choice for light-to-medium duty automation.
SCS Slider
The SCS slider is a precision sliding block for linear bearing shafts, delivering smooth linear motion with low friction. It is manufactured from premium materials with precision machining and is commonly used in 3D printers, laser engravers, and light automation equipment.
Applications of Linear Guide Sliders
CNC Machine Tools
Linear guide sliders are the primary motion component in CNC machining centers, milling machines, and grinding machines. Their high rigidity and repeatability ensure accurate tool positioning for drilling, cutting, and milling operations, directly supporting finished part quality.
Industrial Robots & Robotic Arms
Robotic arms and Cartesian gantry robots rely on linear guide sliders to achieve precise, repeatable positioning during pick-and-place, welding, and automated assembly tasks. Low friction and high load capacity are critical in these high-cycle applications.
Semiconductor & Electronics Manufacturing
Ultra-precise EG and HG series sliders are used in wafer handling, PCB drilling, and SMT pick-and-place machines where micron-level accuracy and contamination-free operation are required.
Laser Cutting & Engraving Equipment
Laser cutting tables and engravers require fast, precise XY motion across large travel distances. Linear guide sliders with low friction coefficients and high rigidity deliver the speed and positional accuracy these systems demand.
Medical & Laboratory Equipment
Imaging systems, surgical robots, diagnostic analyzers, and laboratory automation platforms require smooth, backlash-free linear motion. High-precision sliders provide the quiet, repeatable movement these sensitive environments demand.
Packaging & Material Handling Machinery
Labeling, filling, capping, and boxing machines use linear guide sliders for repeatable linear indexing and precise component positioning. Conveyor systems and automated material handling lines also depend on sliders for controlled, high-speed movement across long travel paths.
Why Choose Baili Guide Rail as Your Linear Guide Slider Supplier?
20+ Years of Linear Motion Manufacturing Experience
Baili's core team brings over 20 years of expertise in linear guide design and production. This depth of experience is reflected in our process control, tooling quality, and ability to solve non-standard application challenges.
14,000 m² Factory with Dedicated Inspection Infrastructure
Our facility in Shuigai Industrial Park, Lishui City, Zhejiang, spans 14,000 square meters and includes dedicated workshops for housing production, assembly, inspection, and packaging. A Coordinate Measuring Machine (CMM) provides traceable dimensional verification for every batch.
ISO 9001 Certified Quality System
Baili operates under an ISO 9001-certified quality management system. CE certification is available on request for customers in regulated markets. Approximately 20 national patents cover our product and process innovations.
Competitive Pricing with No Minimum Order
Our long-term supply chain partnerships within the Yangtze River Delta region allow us to offer cost-effective pricing without requiring large minimum orders. MOQ starts at 1 piece — suitable for prototyping, maintenance, and volume production alike.
Fast, Reliable Delivery — 7 to 15 Days
Standard linear guide slider models are dispatched within 7–15 days. We primarily ship by express courier, and export packaging uses bubble wrap with wooden or cardboard cases to ensure sliders arrive undamaged.
OEM, Custom Dimensions & Logo Branding
Non-standard slider lengths, special materials, custom surface treatments, and private-label packaging (nameplate and carton branding) are all available. Factory visits are welcome with advance notice.
How to Order Custom Linear Guide Sliders from Baili
Submit your inquiry — Send your slider series, size, quantity, and any custom requirements via the quote form below or by email to stella@linearguidemanufacturer.com
Receive a quote within 24 hours — Our team will confirm pricing, lead time, and compatibility with your rail profile.
Approve sample or drawing — For custom orders, we provide a dimensional drawing or physical sample for confirmation before mass production.
Production & inspection — Your order is produced, CMM-inspected, and packaged in export-grade materials.
Shipment & tracking — Orders are dispatched primarily by express courier. Tracking information is provided upon shipment. Payment is by 100% T/T before shipment, or 30% deposit T/T + balance by L/C.
Certifications & Quality Control
Baili Guide Rail holds ISO 9001 certification, demonstrating our commitment to consistent quality management across design, production, and delivery. CE certification is available upon request for customers in European regulated markets. Our product portfolio is supported by approximately 20 national patents covering slider design and manufacturing processes. Every production batch undergoes CMM-based dimensional inspection with traceable reports available to customers on request.
Our Factory & Equipment
Baili's 14,000 m² manufacturing facility is located in Shuigai Industrial Park, Lishui City, Zhejiang Province. The factory comprises five dedicated workshops: Slide Housing Production, Optical Axis Production, Slider Assembly, Slider Inspection, and Slider Packaging.
Key equipment includes Japanese and German CNC cylindrical and profile grinding machines for precision raceway finishing, a Coordinate Measuring Machine (CMM) for full 3D dimensional inspection, and a factory-wide industrial intelligence display system for real-time production monitoring and quality traceability. Our precision machining workshop is temperature- and humidity-controlled to maintain dimensional stability during grinding and inspection.
Monthly production capacity reaches 100,000 sets, supporting large-volume OEM contracts. The facility exports to customers in 30+ countries. Our team of approximately 50 employees includes dedicated R&D and quality control personnel (accounting for 5–10% of total headcount). Baili has been recognized for five consecutive years as a "China Best Guide Rail Service Provider" with a reported 98.7% customer satisfaction rate.
Frequently Asked Questions About Linear Guide Sliders
Q: What is a linear guide slider?
A: A linear guide slider (also called a slide block or carriage) is the moving component that travels along a linear guide rail. It houses the recirculating ball or roller elements that support the load and enable smooth, precise linear motion.
Q: What is the difference between an HG slider and an EG slider?
A: Both use a Gothic-arch four-row raceway for equal load capacity in all four directions. The EG series is more compact, making it suitable for space-constrained applications. The HG series is larger and supports higher absolute load ratings.
Q: Are Baili linear guide sliders compatible with THK and HIWIN rails?
A: Yes. Our HG, EG, and SBR series sliders are dimensionally designed to be interchangeable with THK and HIWIN standard profiles. For exact compatibility confirmation, please provide the series and size when inquiring.
Q: What precision class do your sliders achieve?
A: Our sliders are manufactured to ±0.005mm dimensional tolerance using Japanese and German CNC grinding equipment. Multiple precision classes (Normal, High, Precision, Super Precision) are available depending on the series and application.
Q: What materials are Baili linear guide sliders made from?
A: The main materials are GCr15 bearing steel, 45# carbon steel, stainless steel, and aluminum alloy, depending on the series. Surface treatment is nickel plating or black oxide.
Q: What is the minimum order quantity (MOQ)?
A: Our MOQ is 1 piece. This applies to both standard catalog sliders and custom-specification orders.
Q: What is the lead time for standard linear guide sliders?
A: Standard catalog items ship within 7–15 days. Custom non-standard dimensions may require additional lead time — please confirm when submitting your inquiry.
Q: Do you offer OEM and custom slider specifications?
A: Yes. We accept OEM orders with custom dimensions, materials, surface treatments, preload classes, and private-label packaging (nameplate and carton branding).
Q: What payment terms do you accept?
A: We accept 100% T/T (bank transfer) paid before shipment, or 30% deposit T/T with the remaining balance by L/C.
Q: Can I get a sample before placing a bulk order?
A: Yes. Samples are available. Freight charges for sample shipments are borne by the buyer.
Q: Do your sliders come with a CE or ISO certificate?
A: Baili is ISO 9001 certified. CE certification is available on request. Copies of certificates can be provided with your order documentation.
Q: What lubrication do linear guide sliders require?
A: Most sliders are pre-greased at the factory. We recommend periodic re-lubrication with a compatible lithium-based grease. Grease nipples and oil holes are available on most series for easy in-service lubrication.
Q: How do I select the right slider size for my application?
A: Key parameters to consider are load rating (dynamic and static), travel speed, required precision class, mounting dimensions, and rail compatibility. Contact our technical team with your application details and we will recommend the most suitable series and size.
Q: What shipping methods do you use?
A: We primarily ship by international express courier (DHL, FedEx, UPS, etc.) for smaller orders. Freight forwarding by sea or air is available for larger volume shipments. Export packaging uses bubble wrap and wooden or cardboard cartons.
Q: Can I visit your factory before placing an order?
A: Yes, factory visits are welcome. Please notify us in advance so we can arrange a tour of our production and inspection facilities in Lishui, Zhejiang.
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