{"product_id":"cam-follower-needle-roller-stud-track-bearings-kr10-kr72","title":"10-72mm Cam Follower Needle Roller Stud Track Bearings KR10(CF3) to KR72(CF24-1)","description":"\u003cdiv class=\"hdiy-desc\"\u003e\n\n\u003cdiv class=\"hdiy-overview\"\u003e\n\u003ch2\u003eCam Follower Needle Roller Stud Track Bearings — Precision Stud-Type Rollers for Linear \u0026amp; Cam Mechanisms\u003c\/h2\u003e\n\u003cp\u003eWhen a worn or mismatched track roller causes vibration, premature wear, or binding in your cam mechanism or linear guide system, finding the exact replacement model matters. Engineers, maintenance technicians, and DIY machine builders rely on stud-type cam follower bearings to keep motion systems running smoothly under radial and axial loads.\u003c\/p\u003e\n\u003cp\u003eThese cam follower needle roller stud track bearings are available in models KR10 (CF3) through KR72 (CF24-1), covering outer diameters from approximately 10 mm (0.39 in) to 72 mm (2.83 in). Each unit features a needle roller complement housed within a thick-walled outer ring, mounted on a threaded stud shaft for direct installation into cam tracks, guide rails, and follower mechanisms.\u003c\/p\u003e\n\u003cp\u003eTypical applications include CNC router cam followers, conveyor track rollers, automated assembly line guide systems, and custom linear motion rigs — anywhere a stud-type roller bearing must handle continuous radial loading along a track surface.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"hdiy-compat\"\u003e\n\u003cspan class=\"hdiy-compat-icon\"\u003e🔧\u003c\/span\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed as direct replacements for CF3–CF24-1 series cam followers. Verify your existing model number (KR10–KR72) before ordering. Stud thread dimensions vary by model — see variant options for exact sizing.\n\u003c\/div\u003e\n\n\u003cdiv class=\"hdiy-features\"\u003e\n\u003ch2\u003e✅ Key Features of These Cam Follower Needle Roller Stud Track Bearings\u003c\/h2\u003e\n\u003cdiv class=\"hdiy-list\"\u003e\n\u003cdiv class=\"hdiy-icon\"\u003e🎯\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eWide Model Range: KR10 to KR72\u003c\/strong\u003e\u003cbr\u003e\nCovers 14 distinct models (CF3 through CF24-1) in a single product listing, so you can match your exact replacement spec without sourcing from multiple suppliers.\n\u003c\/div\u003e\n\u003cdiv class=\"hdiy-icon\"\u003e⚙️\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eNeedle Roller Complement\u003c\/strong\u003e\u003cbr\u003e\nNeedle rollers provide a high load capacity relative to the bearing's cross-section, making these suitable for compact cam and track applications where space is limited.\n\u003c\/div\u003e\n\u003cdiv class=\"hdiy-icon\"\u003e🔩\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eThreaded Stud Shaft Design\u003c\/strong\u003e\u003cbr\u003e\nThe integrated stud allows direct bolted installation into cam plates, follower arms, and track frames without requiring a separate housing bore.\n\u003c\/div\u003e\n\u003cdiv class=\"hdiy-icon\"\u003e🛡️\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eThick-Walled Outer Ring\u003c\/strong\u003e\u003cbr\u003e\nThe robust outer ring is engineered to roll directly on cam tracks and guide rails, resisting deformation under sustained radial loads.\n\u003c\/div\u003e\n\u003cdiv class=\"hdiy-icon\"\u003e📐\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003ePrecision-Ground Running Surface\u003c\/strong\u003e\u003cbr\u003e\nThe outer ring running surface is ground to tight tolerances, ensuring smooth, low-vibration rolling contact along linear and curved cam profiles.\n\u003c\/div\u003e\n\u003cdiv class=\"hdiy-icon\"\u003e🔄\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eAvailable in 1 Pcs or 2 Pcs Quantities\u003c\/strong\u003e\u003cbr\u003e\nOrder a single unit for a targeted replacement or a pair for symmetrical cam follower setups — select your quantity above.\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"hdiy-table-wrap\"\u003e\n\u003ch2\u003e📐 Technical Specifications — Cam Follower Needle Roller Stud Track Bearings\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eModel Range\u003c\/th\u003e\n\u003ctd\u003eKR10 (CF3) to KR72 (CF24-1)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBearing Type\u003c\/th\u003e\n\u003ctd\u003eStud-Type Cam Follower \/ Needle Roller Track Bearing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOuter Diameter Range\u003c\/th\u003e\n\u003ctd\u003e10 mm – 72 mm (0.39 in – 2.83 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRoller Element\u003c\/th\u003e\n\u003ctd\u003eNeedle Rollers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eStud Thread Size\u003c\/th\u003e\n\u003ctd\u003eSee variant options\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eStud Length\u003c\/th\u003e\n\u003ctd\u003eSee variant options\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eInner Bore \/ Stud Diameter\u003c\/th\u003e\n\u003ctd\u003eSee variant options\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOverall Width\u003c\/th\u003e\n\u003ctd\u003eSee variant options\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eBearing steel (outer ring, needle rollers, stud shaft)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eLubrication\u003c\/th\u003e\n\u003ctd\u003eGrease-lubricated (sealed or with lubrication hole — see variant options)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eLoad Direction\u003c\/th\u003e\n\u003ctd\u003eRadial (primary); limited axial guidance\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAvailable Quantities\u003c\/th\u003e\n\u003ctd\u003e1 Pcs \/ 2 Pcs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"hdiy-faq\"\u003e\n\u003ch2\u003e❓ Frequently Asked Questions\u003c\/h2\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eHow do I identify which KR model I need?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eMatch the model number stamped on your existing bearing — it will read KR10, KR12, KR13, KR16, KR19, KR22, KR26, KR30, KR32, KR35, KR40, KR47, KR52, or KR72. The number corresponds to the outer diameter in millimeters. The CF designation in parentheses (e.g., CF3, CF4) is an equivalent designation used in some catalogues for the same bearing.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eWhat is the difference between the KR and CF designations?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eKR and CF are parallel designation systems for stud-type cam followers. KR is the INA\/FAG-style designation, while CF is used in other manufacturer catalogues. KR10 = CF3, KR12 = CF4, KR13 = CF5, and so on. Both refer to the same bearing geometry — the number after KR indicates the outer diameter in mm.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eAre these bearings suitable for use on hardened steel cam tracks?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eYes. The outer ring running surface is designed to roll on hardened cam tracks and guide rails. For best service life, the mating track surface should have a hardness of 58 HRC or higher and a ground finish. Running on unhardened or rough surfaces will accelerate outer ring wear.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eCan these cam followers handle axial loads?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eThese stud-type cam followers are primarily designed for radial loading — the load applied perpendicular to the stud axis as the outer ring rolls along a track. They can tolerate limited axial (thrust) forces, but for applications with significant combined radial and axial loads, consider a crowned outer ring variant or a separate thrust element in your design.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eHow do I install a stud-type cam follower bearing?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eThread the stud into the tapped hole in your cam plate or follower arm and tighten to the torque specification for the stud thread size. Ensure the outer ring is free to rotate and makes full contact with the cam track surface. Do not press or hammer the outer ring — load must be applied through the stud, not the outer ring.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eHow often should I re-lubricate these bearings?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eRe-lubrication intervals depend on operating speed, load, and environment. For moderate-duty applications, inspect and re-grease every 500–1,000 operating hours. Models with a lubrication hole (hex socket in the stud end) can be re-greased in place using a grease nipple adapter. Sealed models are pre-greased for the service life of the bearing.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eWhy should I order 2 Pcs instead of 1 Pcs?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eMany cam and linear guide designs use paired cam followers on opposite sides of a track or rail. Ordering 2 Pcs ensures both rollers are from the same production batch, with matched dimensional tolerances — reducing the risk of uneven preload or misalignment in symmetrical follower arrangements. It also gives you an immediate spare if one unit fails unexpectedly.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003c\/div\u003e\n\n\u003cdiv class=\"hdiy-cta\"\u003e\n🛒 Select your Model and Amount above, then add to cart.\n\u003c\/div\u003e\n\n\u003c\/div\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How do I identify which KR model I need?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Match the model number stamped on your existing bearing — it will read KR10, KR12, KR13, KR16, KR19, KR22, KR26, KR30, KR32, KR35, KR40, KR47, KR52, or KR72. The number corresponds to the outer diameter in millimeters. The CF designation in parentheses is an equivalent designation used in some catalogues for the same bearing.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What is the difference between the KR and CF designations?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"KR and CF are parallel designation systems for stud-type cam followers. KR is the INA\/FAG-style designation, while CF is used in other manufacturer catalogues. Both refer to the same bearing geometry — the number after KR indicates the outer diameter in mm.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Are these bearings suitable for use on hardened steel cam tracks?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes. The outer ring running surface is designed to roll on hardened cam tracks and guide rails. For best service life, the mating track surface should have a hardness of 58 HRC or higher and a ground finish.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Can these cam followers handle axial loads?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"These stud-type cam followers are primarily designed for radial loading. They can tolerate limited axial forces, but for applications with significant combined radial and axial loads, consider a crowned outer ring variant or a separate thrust element.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How do I install a stud-type cam follower bearing?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Thread the stud into the tapped hole in your cam plate or follower arm and tighten to the torque specification for the stud thread size. Ensure the outer ring is free to rotate and makes full contact with the cam track surface. Do not press or hammer the outer ring.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How often should I re-lubricate these bearings?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"For moderate-duty applications, inspect and re-grease every 500–1,000 operating hours. Models with a lubrication hole can be re-greased in place using a grease nipple adapter. Sealed models are pre-greased for the service life of the bearing.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Why should I order 2 Pcs instead of 1 Pcs?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Many cam and linear guide designs use paired cam followers on opposite sides of a track or rail. Ordering 2 Pcs ensures both rollers are from the same production batch, with matched dimensional tolerances — reducing the risk of uneven preload or misalignment in symmetrical follower arrangements.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e","brand":"HomeDIYer","offers":[{"title":"KR10(CF3) \/ 1 Pcs","offer_id":52448961003794,"sku":"PENG074927x1","price":9.04,"currency_code":"USD","in_stock":true},{"title":"KR12(CF4) \/ 1 Pcs","offer_id":52448961036562,"sku":"PENG074928x1","price":6.87,"currency_code":"USD","in_stock":true},{"title":"KR13(CF5) \/ 1 Pcs","offer_id":52448961069330,"sku":"PENG074929x1","price":5.29,"currency_code":"USD","in_stock":true},{"title":"KR16(CF6) \/ 1 Pcs","offer_id":52448961102098,"sku":"PENG074930x1","price":5.1,"currency_code":"USD","in_stock":true},{"title":"KR19(CF8) \/ 1 Pcs","offer_id":52448961134866,"sku":"PENG074931x1","price":5.29,"currency_code":"USD","in_stock":true},{"title":"KR22(CF10) \/ 1 Pcs","offer_id":52448961167634,"sku":"PENG074932x1","price":6.65,"currency_code":"USD","in_stock":true},{"title":"KR26(CF10-1) \/ 1 Pcs","offer_id":52448961200402,"sku":"PENG074933x1","price":7.87,"currency_code":"USD","in_stock":true},{"title":"KR30(CF12) \/ 1 Pcs","offer_id":52448961233170,"sku":"PENG074934x1","price":10.59,"currency_code":"USD","in_stock":true},{"title":"KR32(CF12-1) \/ 1 Pcs","offer_id":52448961265938,"sku":"PENG074935x1","price":11.08,"currency_code":"USD","in_stock":true},{"title":"KR35(CF16) \/ 1 Pcs","offer_id":52448961298706,"sku":"PENG074936x1","price":18.16,"currency_code":"USD","in_stock":true},{"title":"KR40(CF18) \/ 1 Pcs","offer_id":52448961331474,"sku":"PENG074937x1","price":23.6,"currency_code":"USD","in_stock":true},{"title":"KR47(CF20) \/ 1 Pcs","offer_id":52448961364242,"sku":"PENG074938x1","price":34.88,"currency_code":"USD","in_stock":true},{"title":"KR52(CF20-1) \/ 1 Pcs","offer_id":52448961397010,"sku":"PENG074939x1","price":39.51,"currency_code":"USD","in_stock":true},{"title":"KR72(CF24-1) \/ 1 Pcs","offer_id":52448961429778,"sku":"PENG074940x1","price":83.3,"currency_code":"USD","in_stock":true},{"title":"KR10(CF3) \/ 2 Pcs","offer_id":52448961462546,"sku":"PENG074927x2","price":15.35,"currency_code":"USD","in_stock":true},{"title":"KR12(CF4) \/ 2 Pcs","offer_id":52448961495314,"sku":"PENG074928x2","price":11.08,"currency_code":"USD","in_stock":true},{"title":"KR13(CF5) \/ 2 Pcs","offer_id":52448961528082,"sku":"PENG074929x2","price":8.15,"currency_code":"USD","in_stock":true},{"title":"KR16(CF6) \/ 2 Pcs","offer_id":52448961560850,"sku":"PENG074930x2","price":8.28,"currency_code":"USD","in_stock":true},{"title":"KR19(CF8) \/ 2 Pcs","offer_id":52448961593618,"sku":"PENG074931x2","price":9.45,"currency_code":"USD","in_stock":true},{"title":"KR22(CF10) \/ 2 Pcs","offer_id":52448961626386,"sku":"PENG074932x2","price":12.23,"currency_code":"USD","in_stock":true},{"title":"KR26(CF10-1) \/ 2 Pcs","offer_id":52448961659154,"sku":"PENG074933x2","price":14.67,"currency_code":"USD","in_stock":true},{"title":"KR30(CF12) \/ 2 Pcs","offer_id":52448961691922,"sku":"PENG074934x2","price":20.11,"currency_code":"USD","in_stock":true},{"title":"KR32(CF12-1) \/ 2 Pcs","offer_id":52448961724690,"sku":"PENG074935x2","price":21.01,"currency_code":"USD","in_stock":true},{"title":"KR35(CF16) \/ 2 Pcs","offer_id":52448961757458,"sku":"PENG074936x2","price":35.21,"currency_code":"USD","in_stock":true},{"title":"KR40(CF18) \/ 2 Pcs","offer_id":52448961790226,"sku":"PENG074937x2","price":46.09,"currency_code":"USD","in_stock":true},{"title":"KR47(CF20) \/ 2 Pcs","offer_id":52448961822994,"sku":"PENG074938x2","price":68.67,"currency_code":"USD","in_stock":true},{"title":"KR52(CF20-1) \/ 2 Pcs","offer_id":52448961855762,"sku":"PENG074939x2","price":77.91,"currency_code":"USD","in_stock":true},{"title":"KR72(CF24-1) \/ 2 Pcs","offer_id":52448961888530,"sku":"PENG074940x2","price":165.44,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0884\/8936\/1682\/files\/Picture1of8_68b3079e-2287-4f92-9ad6-39165498bb6d.jpg?v=1783402677","url":"https:\/\/homediyer.com\/products\/cam-follower-needle-roller-stud-track-bearings-kr10-kr72","provider":"HomeDIYer","version":"1.0","type":"link"}