{"product_id":"airtac-lsh20bk-hn-n-b-m6-linear-guide-block-20mm-compact-low-profile-high-precision-block","title":"AirTAC LSH20BK-HN-N-B-M6 Linear Guide Block | 20mm Compact Low-Profile High-Precision Block","description":"\u003ch2\u003eModel: LSH20BK-HN-N-B-M6\u003c\/h2\u003e\n\u003ch3\u003e1. Executive Summary\u003c\/h3\u003e\n\u003cp data-path-to-node=\"4\"\u003eThe \u003cb\u003eAirTAC LSH20BK-HN-N-B-M6\u003c\/b\u003e is the \u003cb\u003e20mm standard square block\u003c\/b\u003e from the LSH Heavy Load Linear Guide series.\u003c\/p\u003e\n\u003cp data-path-to-node=\"5\"\u003eThis model features a flange-less, compact design (BK type) paired with the \"golden size\" 20mm rail, making it the most versatile core component for light automation, 3D printing, and electronic equipment. While maintaining a \u003cb\u003elow assembly height of 30mm\u003c\/b\u003e, it provides industrial-grade load capacity and rigidity. It is a highly cost-effective alternative to models like the \u003cb\u003eHIWIN HGH20CA\u003c\/b\u003e or \u003cb\u003eTHK HSR20B\u003c\/b\u003e.\u003c\/p\u003e\n\u003chr data-path-to-node=\"6\"\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=\"8\"\u003e\u003ci\u003ePlease note the following:\u003c\/i\u003e\u003c\/p\u003e\n\u003cul data-path-to-node=\"9\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"9,0,0\"\u003e\u003cb\u003eLSH:\u003c\/b\u003e \u003cb\u003eSeries Name\u003c\/b\u003e — High Assembly Standard Linear Guide.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"9,1,0\"\u003e\u003cb\u003e20:\u003c\/b\u003e \u003cb\u003eSize Specification\u003c\/b\u003e — Nominal rail width 20mm.\u003c\/p\u003e\n\u003cul data-path-to-node=\"9,1,1\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"9,1,1,0,0\"\u003e\u003ci\u003ePositioning:\u003c\/i\u003e Lighter and shorter than the 25mm series (30mm height), suitable for small and medium-sized equipment.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"9,2,0\"\u003e\u003cb\u003eBK:\u003c\/b\u003e \u003cb\u003eBlock Type\u003c\/b\u003e — Square Block.\u003c\/p\u003e\n\u003cul data-path-to-node=\"9,2,1\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"9,2,1,0,0\"\u003e\u003ci\u003eCore Feature:\u003c\/i\u003e No side flanges (wings); block width is only 44mm.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"9,2,1,1,0\"\u003e\u003ci\u003eMounting:\u003c\/i\u003e Threaded holes are machined directly into the block. Screws pass through the workbench and lock directly into the block. Ideal for installation environments with narrow lateral space.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"9,3,0\"\u003e\u003cb\u003eHN:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul data-path-to-node=\"9,3,1\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"9,3,1,0,0\"\u003e\u003cb\u003eH:\u003c\/b\u003e \u003cb\u003eAccuracy Class\u003c\/b\u003e — Class H (High).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"9,3,1,1,0\"\u003e\u003cb\u003eN:\u003c\/b\u003e \u003cb\u003ePreload Class\u003c\/b\u003e — N (Standard Preload), ensuring smooth running with minimal resistance.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"9,4,0\"\u003e\u003cb\u003eN:\u003c\/b\u003e \u003cb\u003eDust Protection Code\u003c\/b\u003e — Standard Dust Protection (end seals).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"9,5,0\"\u003e\u003cb\u003eB:\u003c\/b\u003e \u003cb\u003eRail Hole\/Packaging Code\u003c\/b\u003e — Compatible with \u003cb\u003eType B Mounting Holes\u003c\/b\u003e \/ Independent Packaging.\u003c\/p\u003e\n\u003cul data-path-to-node=\"9,5,1\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"9,5,1,0,0\"\u003eIndicates that this block is compatible with standard \u003cb\u003eType B (counterbore)\u003c\/b\u003e rails, and usually denotes a standard shipping state (not part of a specific pairing set).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"9,6,0\"\u003e\u003cb\u003eM6:\u003c\/b\u003e \u003cb\u003eGrease Nipple Spec\u003c\/b\u003e — Standard M6 threaded oil nipple connector.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-path-to-node=\"10\"\u003e\n\u003ch3\u003e3. Core Technical Advantages\u003c\/h3\u003e\n\u003cp\u003eA. Compact Square Design\u003c\/p\u003e\n\u003cp\u003eCompared to the Flange Type (F1N), the width of the LSH20BK square block is reduced from 63mm to 44mm. This \"slimmed-down\" design allows for easy side-by-side installation in dense mechanical structures or mounting within width-restricted aluminum profile grooves.\u003c\/p\u003e\n\u003cp\u003eB. Versatility of the 20mm Specification\u003c\/p\u003e\n\u003cp\u003eThe 20mm size is one of the most widely used dimensions in the automation industry. It offers better rigidity (bending resistance) than the 15mm series while being lighter and more economical than the 25mm series. For motion platforms with loads under 100kg, the LSH20 offers the optimal balance point.\u003c\/p\u003e\n\u003cp\u003eC. High Assembly Heavy Load Design\u003c\/p\u003e\n\u003cp\u003eDespite its small size, the LSH20 series retains the heavy-duty design featuring 4 rows of ball bearings and a 45-degree contact angle. This allows it to perform significantly better than dual-row (light load) guides when subjected to vertical or lateral impact loads.\u003c\/p\u003e\n\u003cp\u003eD. International Standard Interchangeable Dimensions\u003c\/p\u003e\n\u003cp\u003eStrictly adheres to industry-standard mounting dimensions.\u003c\/p\u003e\n\u003cul data-path-to-node=\"16\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"16,0,0\"\u003e\u003ci\u003eEquivalent Models:\u003c\/i\u003e Can directly replace \u003cb\u003eHIWIN HGH20CA\u003c\/b\u003e, \u003cb\u003eTHK HSR20B\u003c\/b\u003e, etc. (mounting hole pitch must be confirmed).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-path-to-node=\"17\"\u003e\n\u003ch3\u003e4. Technical Specifications\u003c\/h3\u003e\n\u003cp data-path-to-node=\"19\"\u003e\u003ci\u003eNote the differences from the 25mm and Flange type blocks:\u003c\/i\u003e\u003c\/p\u003e\n\u003ctable data-path-to-node=\"20\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eValue\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=\"20,1,0,0\"\u003e\u003cb\u003eCompatible Rail\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"20,1,1,0\"\u003eAirTAC LSH20 Series Rail (20mm width)\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=\"20,2,0,0\"\u003e\u003cb\u003eBlock Width (W)\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"20,2,1,0\"\u003e\u003cb\u003e44 mm\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"20,2,2,0\"\u003e(Flange type is 63mm; 25mm square is 48mm)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"20,3,0,0\"\u003e\u003cb\u003eAssembly Height (H)\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"20,3,1,0\"\u003e\u003cb\u003e30 mm\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"20,3,2,0\"\u003e(Total height of block + rail)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"20,4,0,0\"\u003e\u003cb\u003eMounting Hole Pitch\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"20,4,1,0\"\u003e\u003cb\u003e36 mm (Width) x 32 mm (Length)\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"20,4,2,0\"\u003e20mm square blocks often have a rectangular hole pattern, not square. Must verify against old block.\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"20,5,0,0\"\u003e\u003cb\u003eMounting Hole Type\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"20,5,1,0\"\u003e4 x \u003cb\u003eM5 Threaded Blind Holes\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"20,5,2,0\"\u003eScrews must be driven downward from above the connecting plate into the block.\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"20,6,0,0\"\u003e\u003cb\u003eDynamic 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=\"20,6,1,0\"\u003eApprox. 17.7 kN\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=\"20,7,0,0\"\u003e\u003cb\u003eStatic 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=\"20,7,1,0\"\u003eApprox. 27.7 kN\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=\"21\"\u003e\n\u003ch3\u003e5. Target Applications\u003c\/h3\u003e\n\u003cp data-path-to-node=\"23\"\u003eThe \u003cb\u003eLSH20BK-HN-N-B-M6\u003c\/b\u003e is the ideal choice for the following compact equipment:\u003c\/p\u003e\n\u003cul data-path-to-node=\"24\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"24,0,0\"\u003e\u003cb\u003e3C Automation Assembly Lines:\u003c\/b\u003e Dispensing or screw-driving stations for mobile phones and tablets.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"24,1,0\"\u003e\u003cb\u003eSmall Laser Marking Machines:\u003c\/b\u003e X\/Y axis motion modules.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"24,2,0\"\u003e\u003cb\u003eMedical and Biochemical Equipment:\u003c\/b\u003e Test tube transfer mechanisms (requiring smooth, low-noise operation).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"24,3,0\"\u003e\u003cb\u003eParallel Manipulators:\u003c\/b\u003e Guidance columns in space-restricted environments.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"24,4,0\"\u003e\u003cb\u003eXYZ Modules:\u003c\/b\u003e The vertical axis (Z-axis) often uses square blocks to reduce overall volume.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"AirTAC","offers":[{"title":"Default Title","offer_id":51717239800089,"sku":null,"price":62.21,"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-hn-n-b-m6-linear-guide-block-20mm-compact-low-profile-high-precision-block","provider":"AirTAC Shop","version":"1.0","type":"link"}