{"product_id":"airtac-lsh20bk-f1n-n-d-m6-20mm-flange-linear-guideway-carriage-standard-n-class","title":"AirTAC LSH20BK-F1N-N-D-M6 | 20mm Flange Linear Guideway Carriage | Standard N Class","description":"\u003cdiv dir=\"ltr\" aria-busy=\"false\" aria-live=\"polite\" id=\"model-response-message-contentr_e28161c56f958e50\" class=\"markdown markdown-main-panel enable-updated-hr-color\"\u003e\n\u003cp data-path-to-node=\"3\"\u003e\u003cb\u003eModel:\u003c\/b\u003e LSH20BK-F1N-N-D-M6\u003c\/p\u003e\n\u003ch3\u003e1. Executive Summary\u003c\/h3\u003e\n\u003cp data-path-to-node=\"5\"\u003eThe AirTAC \u003cb\u003eLSH20BK-F1N-N-D-M6\u003c\/b\u003e is a 20mm flange-type block from the LSH heavy-duty linear guideway series.\u003c\/p\u003e\n\u003cp data-path-to-node=\"6\"\u003eAs an extremely common \"golden size\" in the automation industry, the \u003cb\u003e20mm specification\u003c\/b\u003e strikes a perfect balance between load capacity and compact volume. Combined with the \u003cb\u003eF1N (Wide Flange) design\u003c\/b\u003e, this block provides a broader mounting base for medium-load platforms, significantly enhancing resistance to lateral moment loads. It is an ideal maintenance spare part to replace similar competing products such as the HIWIN HGW20CC.\u003c\/p\u003e\n\u003chr data-path-to-node=\"7\"\u003e\n\u003ch3\u003e2. Model Code Decoding\u003c\/h3\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0958\/2225\/0265\/files\/WX20251128-165006_2x_af2d08ec-2ecb-4595-840a-fc009792d16a.png?v=1764319846\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp data-path-to-node=\"9\"\u003e\u003ci\u003e\u003cmeta charset=\"utf-8\"\u003e \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0068\/3235\/7429\/files\/Airtac_LSH_Series_Linear_Guide.pdf?v=1689092996\" target=\"_blank\"\u003eClick to download the catalog\u003c\/a\u003e\u003c\/i\u003e\u003c\/p\u003e\n\u003cp data-path-to-node=\"9\"\u003ePlease note the following:\u003c\/p\u003e\n\u003cul data-path-to-node=\"10\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,0,0\"\u003e\u003cb\u003eLSH:\u003c\/b\u003e Series Name — High Assembly Standard Type Linear Guideway.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,1,0\"\u003e\u003cb\u003e20:\u003c\/b\u003e Size Specification — Nominal guideway width of 20mm.\u003c\/p\u003e\n\u003cul data-path-to-node=\"10,1,1\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,1,1,0,0\"\u003e\u003cb\u003eCharacteristic:\u003c\/b\u003e This is one size smaller than the 25mm specification, suitable for small to medium-sized automation equipment, offering moderate load capacity and a smaller footprint.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,2,0\"\u003e\u003cb\u003eBK:\u003c\/b\u003e Block Component — Indicates this is a standalone block unit.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,3,0\"\u003e\u003cb\u003eF1:\u003c\/b\u003e Block Type — \u003cb\u003eFlange Type, Top Mounting\u003c\/b\u003e.\u003c\/p\u003e\n\u003cul data-path-to-node=\"10,3,1\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,3,1,0,0\"\u003e\u003cb\u003eCore Feature:\u003c\/b\u003e The block has extended flanges (wings) on both sides.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,3,1,1,0\"\u003e\u003cb\u003eMounting Method:\u003c\/b\u003e Mounting holes are through-holes, where screws pass from the top of the block and tighten into the worktable above.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,4,0\"\u003e\u003cb\u003eN:\u003c\/b\u003e Accuracy Grade — \u003cb\u003eN (Normal Grade\/Standard Grade)\u003c\/b\u003e, meets general transmission requirements.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,5,0\"\u003e\u003cb\u003eN:\u003c\/b\u003e Preload Grade — \u003cb\u003eN (Standard Preload\/No Preload)\u003c\/b\u003e, ensuring smooth running and extremely low resistance.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,6,0\"\u003e\u003cb\u003eD:\u003c\/b\u003e Matching\/Interchangeability Code — \u003cb\u003eGroup D Matching\u003c\/b\u003e.\u003c\/p\u003e\n\u003cul data-path-to-node=\"10,6,1\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,6,1,0,0\"\u003eDesigned for interchangeability, ensuring a good fit clearance with your existing (Group D) rail when purchased as a separate accessory.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,7,0\"\u003e\u003cb\u003eM6:\u003c\/b\u003e Grease Nipple Specification — Standard \u003cb\u003eM6\u003c\/b\u003e threaded grease port interface.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-path-to-node=\"11\"\u003e\n\u003ch3\u003e3. Core Features\u003c\/h3\u003e\n\u003ch4\u003eA. 20mm \"Golden Specification\" (Compact Heavy Duty)\u003c\/h4\u003e\n\u003cp data-path-to-node=\"14\"\u003eThe LSH20 series is one of the most popular specifications in light industrial automation. Compared to the 25mm series, it has a lower profile and lighter weight, yet its load capacity is more than sufficient for most electronic assembly, 3D printing, and small robotic applications.\u003c\/p\u003e\n\u003ch4\u003eB. High-Stability Flange Structure (Wide Flange Stability)\u003c\/h4\u003e\n\u003cp data-path-to-node=\"16\"\u003eThe F1 flange design extends the block's effective support width to \u003cb\u003e63 mm\u003c\/b\u003e (standard value). Compared to a square block of the same specification (44mm), this significantly improves the lateral stability of the worktable (resistance to rolling moment). This makes it highly suitable for single-axis, single-block, or dual-block application layouts.\u003c\/p\u003e\n\u003ch4\u003eC. Four-Direction Equal Load and Self-Alignment\u003c\/h4\u003e\n\u003cp data-path-to-node=\"18\"\u003eThe design uses \u003cb\u003e4 rows of circular arc grooves\u003c\/b\u003e (45-degree contact angle), ensuring the block has the same rated load capacity in all four directions: up, down, left, and right. Furthermore, the DF combination structure provides excellent self-aligning capability, effectively absorbing minor machining or assembly errors of the base and preventing motion binding.\u003c\/p\u003e\n\u003ch4\u003eD. Group D Interchangeability Assurance\u003c\/h4\u003e\n\u003cp data-path-to-node=\"20\"\u003eAs the preferred choice for the \u003cb\u003e\"aftermarket\" maintenance\u003c\/b\u003e, the \u003cb\u003e\"D\"\u003c\/b\u003e code guarantees that the block's groove size tolerances are strictly controlled within a specific range, eliminating the risk of the block being \"too tight to push\" or \"too loose with clearance\" when replaced.\u003c\/p\u003e\n\u003chr data-path-to-node=\"21\"\u003e\n\u003ch3\u003e4. Technical Specifications\u003c\/h3\u003e\n\u003cp data-path-to-node=\"23\"\u003ePlease be sure to check the dimensions, especially to differentiate them from the 25mm size:\u003c\/p\u003e\n\u003ctable data-path-to-node=\"24\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eNote\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"24,1,0,0\"\u003e\u003cb\u003eCompatible Rail\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"24,1,1,0\"\u003eAirTAC LSH20 Series Rail (Rail width 20mm)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"24,2,0,0\"\u003e\u003cb\u003eBlock Width (W)\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"24,2,1,0\"\u003e\u003cb\u003e63 mm\u003c\/b\u003e (Total width with flange)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"24,3,0,0\"\u003e\u003cb\u003eBlock Length (L)\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"24,3,1,0\"\u003eApprox. \u003cb\u003e77.5 mm\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"24,4,0,0\"\u003e\u003cb\u003eAssembly Height (H)\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"24,4,1,0\"\u003e\u003cb\u003e30 mm\u003c\/b\u003e (Rail bottom to block top)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"24,4,2,0\"\u003eNote: LSH25 height is 40mm. LSH20 is 10mm shorter.\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"24,5,0,0\"\u003e\u003cb\u003eMounting Hole Pitch\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"24,5,1,0\"\u003e\u003cb\u003e53 mm\u003c\/b\u003e (Lateral) x \u003cb\u003e40 mm\u003c\/b\u003e (Longitudinal)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"24,5,2,0\"\u003eInterchangeability Check: This pitch meets international standards (e.g., HIWIN HGW20CC) and allows for direct replacement.\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"24,6,0,0\"\u003e\u003cb\u003eMounting Hole Type\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"24,6,1,0\"\u003e4 Through-holes, for M5 bolts to be fastened from the top.\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"24,7,0,0\"\u003e\u003cb\u003eRated Dynamic Load (\u003cspan data-math=\"C\" class=\"math-inline\"\u003e$C$\u003c\/span\u003e)\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"24,7,1,0\"\u003eApprox. \u003cb\u003e17.7 kN\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"24,8,0,0\"\u003e\u003cb\u003eRated Static Load (\u003cspan data-math=\"C_0\" class=\"math-inline\"\u003e$C_0$\u003c\/span\u003e)\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"24,8,1,0\"\u003eApprox. \u003cb\u003e27.7 kN\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003chr data-path-to-node=\"25\"\u003e\n\u003ch3\u003e5. Target Applications\u003c\/h3\u003e\n\u003cp data-path-to-node=\"27\"\u003eThe LSH20BK-F1N-N-D-M6 is widely used in small and medium-sized precision equipment:\u003c\/p\u003e\n\u003cul data-path-to-node=\"28\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"28,0,0\"\u003e\u003cb\u003eElectronic \u0026amp; Semiconductor Equipment:\u003c\/b\u003e X\/Y axis motion for pick-and-place machines, and dispensing machines.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"28,1,0\"\u003e\u003cb\u003e3D Printers:\u003c\/b\u003e Printhead movement axis for industrial-grade FDM printers.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"28,2,0\"\u003e\u003cb\u003eSmall CNC Machine Tools:\u003c\/b\u003e Feeding mechanism for engraving machines and laser cutting machines.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"28,3,0\"\u003e\u003cb\u003eMedical Devices:\u003c\/b\u003e Pipetting arms for automated biochemical analyzers.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"28,4,0\"\u003e\u003cb\u003eReplacement Maintenance:\u003c\/b\u003e Perfect substitute for flange-type blocks such as \u003cb\u003eHIWIN HGW20CC\u003c\/b\u003e and \u003cb\u003eTHK HSR20R\u003c\/b\u003e.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003c!----\u003e\u003c\/p\u003e","brand":"AirTAC","offers":[{"title":"Default Title","offer_id":51714622882073,"sku":null,"price":69.77,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/2225\/0265\/files\/WX20251125-221049_2x_61225840-8cbe-43b3-a87c-83cc7c46ed3d.png?v=1764079984","url":"https:\/\/airtac-shop.com\/products\/airtac-lsh20bk-f1n-n-d-m6-20mm-flange-linear-guideway-carriage-standard-n-class","provider":"AirTAC Shop","version":"1.0","type":"link"}