{"product_id":"koyo-japan-30303-jr-tapered-roller-bearing-17x47x15-25-mm","title":"KOYO Japan 30303 JR Tapered Roller Bearing 17x47x15.25 mm","description":"\u003cp\u003e\u003cstrong\u003eDescription:\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eKoyo (JTEKT) Tapered Roller Bearing – 30303JR\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eType: Single Row Tapered Roller Bearing (Metric)\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eCountry of Origin: Japan\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eEAN: 3663952475592\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eProduct Information\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBrand: Koyo (JTEKT)\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eItem Number: 30303JR\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eCategory: Tapered Roller Bearing – Single Row\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003ePrecision: Standard Precision\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eDimensions \u0026amp; Weight\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMetric\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBore (d): 17 mm\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eOutside Diameter (D): 47 mm\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eWidth (B): 15.25 mm\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eWeight: 0.13 kg\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eImperial\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBore (d): 0.6693 in\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eOutside Diameter (D): 1.8504 in\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eWidth (B): 0.6004 in\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003ePerformance \/ Ratings\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBasic Dynamic Load Rating (Cr): 34.2 kN\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eBasic Static Load Rating (C0r): 24.5 kN\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eFatigue Load Limit (Cu): 3.45 kN\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eLimiting Speed (Grease): 9,200 rpm\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eLimiting Speed (Oil): 12,000 rpm\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eInternal Geometry Factors\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eLoad Center Spread (a): 11.0 mm\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eConstant (e): 0.29\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eAxial Load Factor (Y1): 2.11\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eAxial Load Factor (Y0): 1.16\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eMounting \/ Abutment Dimensions\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eda (min): 22.5 mm\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003edb (max): 25 mm\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eDa (max): 41.5 mm\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eDa (min): 40 mm\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eDb (min): 42 mm\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eSa (min): 2 mm\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eSb (min): 3 mm\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003er1 (min): 1 mm\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003era (max): 1 mm\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003erb (max): 1 mm\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eSuffix Definitions\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eJ: Tapered roller bearing conforming to ISO R355 (sub-unit, metric series)\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eR: Internal design code (high load capacity)\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eProduct Description\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch6\u003e\u003cstrong\u003eThe Koyo 30303JR is a single-row tapered roller bearing designed to support combined radial and axial loads (axial load in one direction). The bearing consists of two separable components: the cone (inner ring with rollers and cage) and the cup (outer ring), making it easy to assemble and service. Single-row tapered bearings are typically installed in pairs (mirror-image) to handle axial loads in both directions, with common arrangements including X, O, or tandem setups.\u003c\/strong\u003e\u003c\/h6\u003e\n\u003cp\u003e\u003cbr\u003e \u003c\/p\u003e\n\u003ch3\u003e\u003cspan style=\"background-color: rgb(255, 255, 0);\"\u003e\u003cstrong\u003ePACKAGE INCLUDES: ONE (1) KOYO Bearing 30303 JR\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e","brand":"KOYO","offers":[{"title":"Default Title","offer_id":51443769672000,"sku":"SUN303056832FL","price":20.65,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0828\/3910\/9952\/files\/bcf1e583-5db4-4657-8453-be3d7808adbd.jpg?v=1768424957","url":"https:\/\/sunrisebearingsfl.com\/products\/koyo-japan-30303-jr-tapered-roller-bearing-17x47x15-25-mm","provider":"Sunrise Bearings Florida","version":"1.0","type":"link"}