{"product_id":"nsk-3304b-2rsrtng-c3-angular-contact-ball-bearing-rubber-sealed-20x52x22-2-mm","title":"NSK 3304B 2RSRTNG C3 Angular Contact Ball Bearing, Rubber Sealed 20x52x22.2 mm","description":"\u003ch3\u003e\u003cstrong\u003e\u003cu\u003eDescription:\u003c\/u\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cdiv\u003e\n\u003cul type=\"disc\"\u003e\u003c\/ul\u003e\n\u003cp class=\"MsoNormal\"\u003e \u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e \u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cstrong\u003eNSK 3304B-2RSRTNGC3 YRLN5 — Angular Contact Ball Bearing (Double Row), Double Sealed, C3 Clearance (20x52x22.2 mm)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul type=\"disc\"\u003e\n\u003cli class=\"MsoNormal\" style=\"font-weight: bold;\"\u003e\u003cstrong\u003eBrand: NSK\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"font-weight: bold;\"\u003e\u003cstrong\u003eItem Number \/ MPN: 3304B-2RSRTNGC3 YRLN5\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"font-weight: bold;\"\u003e\u003cstrong\u003eCategory: Angular Contact Ball Bearing — Double Row\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"font-weight: bold;\"\u003e\u003cstrong\u003eBore Type: Cylindrical bore\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"font-weight: bold;\"\u003e\u003cstrong\u003eSeal: 2RSR — Rubber seals on both sides (contact lip seals)\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"font-weight: bold;\"\u003e\u003cstrong\u003eCage Type: TNG — Glass-fibre reinforced polyamide 66 cage\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"font-weight: bold;\"\u003e\u003cstrong\u003eRadial Internal Clearance: C3 (greater than normal \/ slightly increased clearance)\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"font-weight: bold;\"\u003e\u003cstrong\u003ePrecision \/ Tolerance Class: P0 \/ PN2 \/ ABEC 1 (standard precision)\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"font-weight: bold;\"\u003e\u003cstrong\u003eLubrication: YRL — Grease for operating temperature range -30°C to +120°C\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"font-weight: bold;\"\u003e\u003cstrong\u003eHeat Stabilization: None (up to 120°C)\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"font-weight: bold;\"\u003e\u003cstrong\u003eRing Design: Standard (not split)\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"MsoNormal\" align=\"center\"\u003e\u003chr size=\"2\" width=\"100%\" align=\"center\"\u003e\u003c\/div\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cstrong\u003eDimensions \u0026amp; Weight\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul type=\"disc\"\u003e\n\u003cli class=\"MsoNormal\" style=\"font-weight: bold;\"\u003e\u003cstrong\u003eBore (d): 20 mm (0.7874 in)\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"font-weight: bold;\"\u003e\u003cstrong\u003eOutside Diameter (D): 52 mm (2.0472 in)\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"font-weight: bold;\"\u003e\u003cstrong\u003eWidth (B): 22.2 mm (0.8740 in)\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"font-weight: bold;\"\u003e\u003cstrong\u003eWeight: 0.216 kg (≈ 0.48 lb)\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"MsoNormal\" align=\"center\"\u003e\u003chr size=\"2\" width=\"100%\" align=\"center\"\u003e\u003c\/div\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cstrong\u003eContact Angle \/ Internal Design\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul type=\"disc\"\u003e\n\u003cli class=\"MsoNormal\" style=\"font-weight: bold;\"\u003e\u003cstrong\u003eB: Contact angle designation per NSK series (commonly associated with an angular contact design)\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"font-weight: bold;\"\u003e\u003cstrong\u003eNote on contact angle: Your data set mentions 40° for a comparable double-row design; this NSK designation is listed as B = 25° contact angle in the suffix notes. For listing purposes, I’m keeping the NSK suffix definition exactly as provided (B = 25°).\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"MsoNormal\" align=\"center\"\u003e\u003chr size=\"2\" width=\"100%\" align=\"center\"\u003e\u003c\/div\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cstrong\u003eSuffix \/ Code Meaning\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul type=\"disc\"\u003e\n\u003cli class=\"MsoNormal\" style=\"font-weight: bold;\"\u003e\u003cstrong\u003eB: 25° contact angle\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"font-weight: bold;\"\u003e\u003cstrong\u003e2RSR: Rubber seals at each side of the bearing\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"font-weight: bold;\"\u003e\u003cstrong\u003eTNG: Cage made of glass-fibre reinforced polyamide 66\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"font-weight: bold;\"\u003e\u003cstrong\u003eC3: Internal clearance larger than normal\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"font-weight: bold;\"\u003e\u003cstrong\u003eYRL: Lubricant for operating temperature -30°C to +120°C\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"font-weight: bold;\"\u003e\u003cstrong\u003eN: Normal filling (35%)\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"font-weight: bold;\"\u003e\u003cstrong\u003e5: Standard single pack (boxed packaging)\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"MsoNormal\" align=\"center\"\u003e\u003chr size=\"2\" width=\"100%\" align=\"center\"\u003e\u003c\/div\u003e\n\u003ch6 class=\"MsoNormal\"\u003e\u003cspan\u003eNSK \u003cb\u003e3304B-2RSRTNGC3 YRLN5\u003c\/b\u003e is a \u003cb\u003edouble-row angular contact ball bearing\u003c\/b\u003e designed to support \u003cb\u003ecombined loads\u003c\/b\u003e (radial loads plus axial loads in both directions). The double-row construction provides a compact solution similar to a matched pair of single-row angular contact bearings. This version features \u003cb\u003erubber seals on both sides (2RSR)\u003c\/b\u003e to retain lubrication and reduce contamination, a \u003cb\u003eglass-fibre reinforced polyamide cage (TNG)\u003c\/b\u003e, and \u003cb\u003eC3 internal clearance\u003c\/b\u003e for applications where operating temperature or press fits may reduce clearance during operation. The bearing is supplied with \u003cb\u003eYRL grease\u003c\/b\u003e rated for \u003cb\u003e-30°C to +120°C\u003c\/b\u003e operating conditions.\u003c\/span\u003e\u003c\/h6\u003e\n\u003cdiv class=\"MsoNormal\" align=\"center\"\u003e\u003chr size=\"2\" width=\"100%\" align=\"center\"\u003e\u003c\/div\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003e\u003cspan\u003eTypical Applications\u003c\/span\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan\u003eCommonly used in:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul type=\"disc\"\u003e\n\u003cli class=\"MsoNormal\"\u003e\u003cspan\u003eElectric motors and compact industrial drives\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003e\u003cspan\u003ePumps and compressors\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003e\u003cspan\u003eGearboxes and general machinery\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003e\u003cspan\u003eEquipment requiring a compact bearing that can handle axial load in both directions with sealed lubrication\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"MsoNormal\"\u003e \u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e \u003c\/p\u003e\n\u003ch3 class=\"MsoNormal\"\u003e\u003cspan style=\"background-color: rgb(255, 255, 0);\"\u003e   PACKAGE INCLUDES: ONE (1) NSK Bearing 3304 2RS TNG C3 YRLN5 \u003c\/span\u003e\u003c\/h3\u003e\n\u003c\/div\u003e","brand":"NSK","offers":[{"title":"Default Title","offer_id":51390452859200,"sku":"SUN330456678FL","price":69.65,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0828\/3910\/9952\/files\/2aa07340-0a3a-4fbc-bd4d-0f0e0dac42c9.webp?v=1767037451","url":"https:\/\/sunrisebearingsfl.com\/products\/nsk-3304b-2rsrtng-c3-angular-contact-ball-bearing-rubber-sealed-20x52x22-2-mm","provider":"Sunrise Bearings Florida","version":"1.0","type":"link"}