{"title":"Inner Diameter - 21mm","description":"\u003ch1\u003e21mm\u003c\/h1\u003e\u003ch2\u003e21mm Online shopping\u003c\/h2\u003e","products":[{"product_id":"kt212611-needle-bearing-cage-21x26","title":"KT212611 - Needle Roller Bearing Cage - 21x26x11mm K212611","description":"\u003cp\u003eKT212611 Needle Roller Cage Bearing – Compact \u0026amp; High-Capacity\u003cbr\u003e✔️  21mm x 26mm x 11mm – Cage-Guided, Space-Efficient\u003c\/p\u003e\n\u003cp\u003eThe KT212611 is a needle roller cage bearing engineered for radial load support in tight mechanical spaces. With an 11mm width, it offers greater load distribution compared to shorter variants. Ideal for use in transmissions, gearboxes, and compact power systems, it delivers smooth, efficient performance with low friction and high durability.\u003c\/p\u003e\n\u003cp\u003e✅ Size: 21mm ID x 26mm OD x 11mm width\u003cbr\u003e✅ Type: Needle roller cage bearing (K-type)\u003cbr\u003e✅ Design: Full cage – no inner or outer rings\u003cbr\u003e✅ Dynamic load rating Cr: 11,500 N\u003cbr\u003e✅ Static load rating Cor: 9,390 N\u003cbr\u003e✅ Application: Gear trains, planetary stages, space-restricted systems\u003cbr\u003e✅ Quantity: 1 bearing\u003c\/p\u003e\n\u003cp\u003e💡 What benefits does increasing needle cage width provide in high-load assemblies?\u003cbr\u003eA wider needle cage distributes load across a greater contact area, reducing surface stress and extending service life - crucial for high-torque, compact assemblies running under continuous radial forces.\u003c\/p\u003e\n\u003cp\u003eOptimized for tight spaces and heavy loads - your go-to for efficient motion in demanding systems.\u003cbr\u003e\u003c\/p\u003e","brand":"VXB","offers":[{"title":"Default Title","offer_id":49312744276161,"sku":"KT212611","price":9.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0828\/0955\/3089\/files\/kt212611-needle-bearing-cage-21x26x11mm-k212611-vxb-ball-bearings-1-32679944093931_25cfaacb-0297-4859-ad60-7564cfd4e5dc.jpg?v=1748647227"},{"product_id":"kt212610-needle-bearing-cage-21x26","title":"KT212610 - Needle Roller Bearing Cage - 21x26x10mm K212610","description":"\u003cp\u003eKT212610 Needle Roller Cage Bearing – Compact High-Load Design\u003cbr\u003e✔️  21mm x 26mm x 10mm – Needle Cage for Radial Load Support\u003c\/p\u003e\n\u003cp\u003eThe KT212610 is a precision needle roller cage bearing designed for high radial loads in space-restricted applications. Its cage-guided needle rollers offer low-friction performance and even load distribution, making it ideal for gearboxes, transmissions, and other compact mechanical assemblies.\u003c\/p\u003e\n\u003cp\u003e✅ Size: 21mm ID x 26mm OD x 10mm width\u003cbr\u003e✅ Type: Needle roller cage bearing (K-type)\u003cbr\u003e✅ Design: Cage-guided, no inner or outer ring\u003cbr\u003e✅ Dynamic load rating Cr: 11,000 N\u003cbr\u003e✅ Static load rating Cor: 9,090 N\u003cbr\u003e✅ Application: Gear trains, planetary gears, compact power systems\u003cbr\u003e✅ Quantity: 1 bearing\u003c\/p\u003e\n\u003cp\u003e💡 Why use a needle roller cage bearing without outer or inner rings?\u003cbr\u003eThis design reduces bearing wall thickness and weight while maximizing load capacity and space efficiency - ideal for integrating directly into precision-machined housings and shafts.\u003c\/p\u003e\n\u003cp\u003eEngineered for precision fit and high radial performance in ultra-compact designs.\u003cbr\u003e\u003c\/p\u003e","brand":"VXB","offers":[{"title":"Default Title","offer_id":49312744407233,"sku":"KT212610","price":9.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0828\/0955\/3089\/files\/kt212610-needle-bearing-cage-21x26x10mm-k212610-vxb-ball-bearings-1-32679944126699_0955b1cc-b3cc-4754-96c4-1fe71fa25038.jpg?v=1748647227"},{"product_id":"gs81104-cylindrical-roller-thrust","title":"GS81104 Cylindrical Roller Thrust Washer 21x35x2.75mm","description":"AZ12269 Cylindrical Roller Thrust Bearings Bronze Cage 12x26x9 mm\u003cbr\u003e\u003cdiv style=\"text-align: justify;\"\u003e\u003ccenter\u003e\u003c\/center\u003e\u003c\/div\u003e\u003ccenter\u003e\u003ctable cellspacing=\"2\" cellpadding=\"10\" bg=\"\" border=\"1\"\u003e\u003ctbody\u003e\u003ctr\u003e\u003ctd align=\"center\"\u003e\u003cfont face=\"Tahoma\" style=\"font-size:20px\"\u003eGS81104 Cylindrical Roller \u003cbr\u003eWasher\u003cbr\u003e21mm x 35mm x 2.75mm\u003c\/font\u003e\u003c\/td\u003e\u003c\/tr\u003e\u003c\/tbody\u003e\u003c\/table\u003e\u003c\/center\u003e\u003ccenter\u003e\u003ctable border=\"0\"\u003e\u003ctbody\u003e\u003ctr\u003e\n\u003ctd colspan=\"11\" align=\"Center\"\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp align=\"justify\"\u003e\u003cspan style=\"font-family: Tahoma; text-align: -webkit-center;\"\u003eGS81104\u003c\/span\u003e\u003cspan style=\"font-family: Tahoma; text-align: -webkit-center;\"\u003e\u003c\/span\u003eOuter Ring for Cylindrical Roller Bearing. Inner diameter is 21mm, outer diameter is 35mm and width is 2.75mm.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cfont face=\"tahoma\"\u003eGS81104 Cylindrical Roller Washer\u003c\/font\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cfont face=\"tahoma\"\u003eDimensions: 21mm x 35mm x 2.75mm\/Metric\u003c\/font\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cfont face=\"tahoma\"\u003eID (inner diameter)\/Bore d: 21mm\u003c\/font\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cfont face=\"tahoma\"\u003eOD (outer diameter) D: 35mm\u003c\/font\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cfont face=\"tahoma\" color=\"#000000\"\u003eWidth\/Height\/Thickness B: 2.75mm\u003c\/font\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cfont face=\"tahoma\"\u003eSize: 21 x 35 x 2.75mm\u003c\/font\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cfont face=\"tahoma\"\u003eQuantity: 1 Bearing\u003c\/font\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cfont face=\"tahoma\"\u003eDynamic load rating Cr: 25000 N\u003c\/font\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cfont face=\"tahoma\"\u003eStatic load rating Cor: 53000 N\u003c\/font\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cfont face=\"tahoma\"\u003eLimiting speed: 10800 1\/min\u003c\/font\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\u003c\/table\u003e\u003c\/center\u003e\u003cbr\u003e\u003cbr\u003e","brand":"VXB","offers":[{"title":"Default Title","offer_id":49312794280129,"sku":"GS81104","price":14.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0828\/0955\/3089\/files\/gs81104-cylindrical-roller-thrust-washer-21x35x2-75mm-vxb-ball-bearings-1-32680068251883_cf7d47eb-78c4-4fd0-9ffb-347d5af954d5.jpg?v=1748647235"},{"product_id":"nk21-20-needle-roller-bearing-21x2","title":"NK21\/20 Needle Roller Bearing 21x29x20mm - Machined Type","description":"\u003ccenter\u003e\n\u003ctable cellspacing=\"2\" cellpadding=\"10\" bg=\"\" border=\"1\"\u003e\u003ctbody\u003e\u003ctr align=\"middle\"\u003e\u003ctd align=\"center\"\u003e\u003cfont face=\"Tahoma\" size=\"+2\"\u003eNK21\/20 Needle Roller        Bearing\u003cbr\u003ewithout inner ring\u003c\/font\u003e\u003c\/td\u003e\u003c\/tr\u003e\u003c\/tbody\u003e\u003c\/table\u003e\n\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003ctable cellspacing=\"2\" cellpadding=\"5\" border=\"0\"\u003e\u003ctbody\u003e\u003ctr\u003e\n\u003ctd align=\"center\"\u003e\u003cbr\u003e\u003c\/td\u003e\n\u003ctd valign=\"top\" align=\"left\"\u003e\n\u003cp align=\"justify\"\u003e\u003cfont face=\"tahoma\"\u003eMachined type needle          roller bearing NK21\/20 without inner ring. The inner diameter is          21mm, the outer diameter is 29mm, width is 20mm.\u003c\/font\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cfont face=\"tahoma\"\u003eNK21\/20 Bearing\u003c\/font\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cfont face=\"tahoma\"\u003eNeedle Roller            Bearing\u003c\/font\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cfont face=\"tahoma\"\u003eDimensions: 21mm x            29mm x 20mm\/Metric\u003c\/font\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cfont face=\"tahoma\"\u003eSize: 21mm x 29mm x            20mm\u003c\/font\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cfont face=\"tahoma\"\u003eQuantity: 1 Bearing\u003c\/font\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\u003c\/table\u003e\n\u003c\/center\u003e\u003cbr\u003e\u003cbr\u003e","brand":"VXB","offers":[{"title":"Default Title","offer_id":49312886948033,"sku":"NK21-20","price":14.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0828\/0955\/3089\/files\/1_4dac416b-c652-4137-b981-316141f5bdb9.jpg?v=1748647255"},{"product_id":"taf212920-needle-roller-bearing-21","title":"TAF212920 Needle Roller Bearing 21x29x20mm - Machined Type","description":"\u003ccenter\u003e\n\u003ctable cellspacing=\"2\" cellpadding=\"10\" bg=\"\" border=\"1\"\u003e\u003ctbody\u003e\u003ctr align=\"middle\"\u003e\u003ctd align=\"center\"\u003e\u003cfont face=\"Tahoma\" size=\"+2\"\u003eTAF212920 Needle Roller        Bearing\u003cbr\u003ewithout inner ring\u003c\/font\u003e\u003c\/td\u003e\u003c\/tr\u003e\u003c\/tbody\u003e\u003c\/table\u003e\n\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003ctable cellspacing=\"2\" cellpadding=\"5\" border=\"0\"\u003e\u003ctbody\u003e\u003ctr\u003e\n\u003ctd align=\"center\"\u003e\u003cbr\u003e\u003c\/td\u003e\n\u003ctd valign=\"top\" align=\"left\"\u003e\n\u003cp align=\"justify\"\u003e\u003cfont face=\"tahoma\"\u003eMachined type needle          roller bearing TAF212920 without inner ring. The inner diameter is          21mm, the outer diameter is 29mm, width is 20mm.\u003c\/font\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cfont face=\"tahoma\"\u003eTAF212920 Bearing\u003c\/font\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cfont face=\"tahoma\"\u003eNeedle Roller            Bearing\u003c\/font\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cfont face=\"tahoma\"\u003eDimensions: 21mm x            29mm x 20mm\/Metric\u003c\/font\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cfont face=\"tahoma\"\u003eSize: 21mm x 29mm x            20mm\u003c\/font\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cfont face=\"tahoma\"\u003eQuantity: 1 Bearing\u003c\/font\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\u003c\/table\u003e\n\u003c\/center\u003e\u003cbr\u003e\u003cbr\u003e","brand":"VXB","offers":[{"title":"Default Title","offer_id":49312890781889,"sku":"TAF212920","price":14.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0828\/0955\/3089\/files\/taf212920-needle-roller-bearing-21x29x20-vxb-ball-bearings-32680255652075_9bea8799-4113-4d1c-b919-55685f07a15b.jpg?v=1748647258"},{"product_id":"nk21-20a-needle-roller-bearing-wit","title":"NK21\/20A Needle Roller Bearing 21x29x20mm - Machined Type","description":"\u003ccenter\u003e\n\u003ctable cellspacing=\"2\" cellpadding=\"10\" bg=\"\" border=\"1\"\u003e\u003ctbody\u003e\u003ctr align=\"middle\"\u003e\u003ctd align=\"center\"\u003e\u003cfont face=\"Tahoma\" size=\"5\"\u003eNK21\/20A Needle Roller Bearing Without Inner Ring\u003cbr\u003e 21mm x 29mm x 20mm\u003cbr\u003eVXB Bearing\u003c\/font\u003e\u003c\/td\u003e\u003c\/tr\u003e\u003c\/tbody\u003e\u003c\/table\u003e\n\u003cbr\u003e\u003ctable cellspacing=\"2\" cellpadding=\"5\" border=\"0\"\u003e\u003ctbody\u003e\u003ctr\u003e\n\u003ctd align=\"center\"\u003e\u003cbr\u003e\u003c\/td\u003e\n\u003ctd valign=\"top\" align=\"left\"\u003e\n\u003cp align=\"justify\"\u003e\u003cfont face=\"tahoma\"\u003eNK21\/20A Needle Roller Bearing Without Inner Ring 21x29x20mm\u003cbr\u003eMachined type needle          roller bearing NK21\/20A without inner ring. \u003cbr\u003eThe inner diameter is          21mm, the outer diameter is 29mm, width is 20mm.\u003c\/font\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cfont face=\"tahoma\"\u003eNK21\/20A Bearing\u003c\/font\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cfont face=\"tahoma\"\u003eNeedle Roller            Bearing\u003c\/font\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cfont face=\"tahoma\"\u003eDimensions: 21mm x            29mm x 20mm\/Metric\u003c\/font\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cfont face=\"tahoma\"\u003eSize: 21mm x 29mm x            20mm\u003c\/font\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cfont face=\"tahoma\"\u003eQuantity: 1 Bearing\u003c\/font\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cfont face=\"tahoma\"\u003eBrand: VXB Bearing\u003c\/font\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\u003c\/table\u003e\n\u003c\/center\u003e\u003cbr\u003e\u003cbr\u003e","brand":"VXB","offers":[{"title":"Default Title","offer_id":49313250771137,"sku":"NK21-20A","price":39.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0828\/0955\/3089\/files\/nk2120a-needle-roller-bearing-without-inner-ring-21x29x20mm-vxb-ball-bearings-32681255764203_a310715e-c1b7-4d4d-a249-06958ba8144d.jpg?v=1748647352"}],"url":"https:\/\/smallbearings.com\/it\/collections\/inner-diameter-21mm.oembed","provider":"Small Bearings","version":"1.0","type":"link"}