{"product_id":"rna4907-needle-roller-bearing-with-inner-ring-35-55-20mm-heavy-duty-industrial-bearing","title":"RNA4907 Needle Roller Bearing with Inner Ring – 35 × 55 × 20mm | Heavy Duty Industrial Bearing","description":"\u003ch1\u003e\u003cspan\u003eRNA4907 Needle Roller Bearing with Inner Ring – 35 × 55 × 20mm | Heavy Duty Industrial Bearing\u003c\/span\u003e\u003c\/h1\u003e\n\u003ch2\u003e\u003cspan\u003eProduct Description\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eRNA4907 Needle Roller Bearing with Inner Ring\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e is a high-quality, precision-engineered bearing designed to provide excellent radial load capacity, smooth rotation and reliable performance in demanding industrial applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eManufactured from durable bearing steel, this heavy-duty needle roller bearing features precision cylindrical needle rollers, a robust outer ring and a separate removable inner ring. Its compact construction makes it ideal for machinery requiring high load capacity within limited installation space.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe included inner ring provides a hardened and precision-ground running surface for the needle rollers, making the bearing suitable for applications where the shaft cannot be used directly as a bearing raceway.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIdeal for industrial machinery, automation systems, gearboxes, conveyors, agricultural equipment and mechanical transmission applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eKey Features\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eInner Ring Included:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Supplied with a separate removable inner ring for convenient installation and replacement.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eHigh Radial Load Capacity:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Designed to withstand heavy radial loads in demanding industrial environments.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eCompact Design:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Provides excellent load-carrying capability while requiring minimal installation space.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003ePrecision Needle Rollers:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Deliver smooth rotation, efficient load distribution and reduced friction.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eDurable Bearing Steel:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Manufactured for strength, wear resistance and long service life.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eRemovable Inner Ring:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Simplifies assembly and maintenance while providing a precision running surface.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eReliable Performance:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Suitable for continuous operation within manufacturer-specified load and speed limits.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eVersatile Applications:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Ideal for industrial equipment, mechanical drives and rotating shaft assemblies.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003eTechnical Specifications\u003c\/span\u003e\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cspan\u003eSpecification\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003eDetails\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eBearing Model\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eRNA4907 with Inner Ring\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eComplete Assembly Equivalent\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNA4907\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eBearing Type\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNeedle Roller Bearing\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eInner Diameter (ID)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e35 mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eOuter Diameter (OD)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e55 mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eBearing Width\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e20 mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eRoller-Inscribed Diameter (without ring)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e42 mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eInner Ring\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eIncluded – Removable\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eRoller Arrangement\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSingle Row\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMaterial\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eHigh-Carbon Chrome Bearing Steel\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eSeal Type\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eOpen \/ Unsealed\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eLubrication\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eGrease or Oil\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003ePrimary Load Direction\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eRadial\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003e\u003cspan\u003eCommon Applications\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThe RNA4907 Needle Roller Bearing with Inner Ring is suitable for a wide range of industrial and mechanical applications, including:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eIndustrial Machinery:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Manufacturing equipment, production machinery and mechanical assemblies.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eGearboxes and Transmissions:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Supports rotating shafts and gear assemblies under radial loads.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eConveyor Systems:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Used in material handling equipment and mechanical drive systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eCNC Machinery:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Suitable for selected rotating assemblies and mechanical mechanisms.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eAgricultural Equipment:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Used in machinery requiring durable and compact bearing arrangements.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eAutomotive Applications:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Suitable for compatible mechanical transmission assemblies.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eIndustrial Automation:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Used in automated machinery and mechanical drive mechanisms.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eMaintenance and Repairs:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Replacement bearing for compatible industrial equipment.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003eBenefits of Needle Roller Bearings\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eNeedle roller bearings are widely used in industrial equipment because they provide high radial load capacity relative to their compact dimensions.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eTheir long, slender cylindrical rollers create a large contact area between the rolling elements and raceways, enabling efficient load distribution.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCompared with many conventional ball bearings, needle roller bearings can offer greater radial load capacity within a similar radial installation space.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eInstallation and Maintenance Recommendations\u003c\/span\u003e\u003c\/h2\u003e\n\u003col start=\"1\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eVerify shaft diameter, housing dimensions and bearing compatibility before installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eEnsure the shaft and housing surfaces are clean and free from damage.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eInstall the bearing using appropriate tools and correct fitting procedures.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eApply suitable grease or oil according to the operating conditions.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eAvoid excessive misalignment and improper loading.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eInspect bearings periodically for wear, contamination and abnormal noise.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eFollow the manufacturer's recommended operating limits and maintenance requirements.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch2\u003e\u003cspan\u003eImportant Product Information\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eRNA4907:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Standard needle roller bearing without an inner ring, featuring a 42mm roller-inscribed diameter, 55mm outer diameter and 20mm width.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eNA4907:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Complete needle roller bearing with an inner ring, featuring a 35mm shaft bore, 55mm outer diameter and 20mm width.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis product is described as an \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eRNA4907 supplied with a compatible inner ring\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, corresponding dimensionally to an NA4907 assembly.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003ePlease verify the supplied components and specifications before ordering.\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003chr\u003e\u003c\/div\u003e\n\u003ch2\u003e\u003cspan\u003eLearn More – Watch Our Bearing Educational Video\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eWant to learn more about needle roller bearings, how they work and where they are used?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWatch our educational video from \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eRM Engineering \u0026amp; Automation\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, where we explain different types of bearings, their working principles, applications and important considerations when selecting the right bearing for your machinery.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIn this video, you can learn about:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eDifferent types of industrial bearings\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eHow needle roller bearings work\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eBall bearings versus roller bearings\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eCommon industrial bearing applications\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eHow bearings reduce friction and support rotating shafts\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eImportant factors when selecting bearings\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eBearing maintenance and common failure causes\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eWatch Our Bearing Educational Video on YouTube:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/www.youtube.com\/watch?v=G-B4zJTEwAk\u0026amp;t=5s\"\u003e\u003cspan\u003ehttps:\/\/www.youtube.com\/watch?v=G-B4zJTEwAk\u0026amp;t=5s\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eSubscribe to RM Engineering \u0026amp; Automation on YouTube\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e for more educational videos covering mechanical engineering, industrial automation, bearings, motors, sensors, conveyors, robotics and machinery components.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eContact RM Engineering \u0026amp; Automation\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eFor more information about our needle roller bearings, industrial components, mechanical parts or automation solutions, please contact us.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eRM Engineering \u0026amp; Automation\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eWebsite:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/www.rmengineeringautomation.com.au\/\"\u003e\u003cspan\u003ehttps:\/\/www.rmengineeringautomation.com.au\/\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eEmail:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"mailto:info@rmenga.com.au\"\u003e\u003cspan\u003einfo@rmenga.com.au\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWe supply a wide range of industrial bearings, mechanical components and automation products for engineering, maintenance, manufacturing and industrial applications.\u003c\/span\u003e\u003c\/p\u003e","brand":"RM Engineering and automation","offers":[{"title":"Default Title","offer_id":67973552472294,"sku":"RMRNA4907","price":8.23,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0731\/3365\/4246\/files\/NSKRNA4907NeedleBearingSet.png?v=1794001917","url":"https:\/\/www.rmengineeringautomation.com.au\/products\/rna4907-needle-roller-bearing-with-inner-ring-35-55-20mm-heavy-duty-industrial-bearing","provider":"RM Engineering and automation","version":"1.0","type":"link"}