{"product_id":"blackbearing-2rs-b3-bearing-r4-6-35-x-15-875-x-4-98-mm","title":"BLACKBEARING 2RS B3 BEARING | R4 (6.35 X 15.875 X 4.98 MM)","description":"\u003cp\u003eThe Blackbearing B5 R4-2RS Bearing 6.35x15.875x4.98mm is designed to deliver enhanced reliability and fluidity for cycling applications. Built to handle the stresses of varied road conditions, it offers long-lasting smoothness and dependable performance for everyday riders.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOEM-Compatible Design: \u003c\/strong\u003eCommonly used as original equipment on many bicycles, this bearing serves as a perfect 100% replacement for your existing setup. Its precise dimensions and high manufacturing standards ensure seamless compatibility and effortless installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHigh-Grade Chrome Steel Construction: \u003c\/strong\u003eMade from SAE52100 chrome steel, the balls and rings provide excellent hardness, wear resistance and strength. The chrome steel cage maintains structural stability, ensuring consistent rotation under demanding use.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSealed for Protection and Longevity\u003c\/strong\u003e: Equipped with double “2RS” seals, the bearing effectively prevents water, dust and debris from entering. This protection helps retain lubrication, extending service life and maintaining smooth rotation over time.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003ePre-lubricated with premium-quality grease, the B5 R4-2RS Bearing guarantees reduced friction and effortless rolling. Designed and assembled with precision, it combines reliability, durability and efficiency for riders who value consistent performance.\u003c\/em\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cem\u003eFeatures\u003c\/em\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eOEM-Compatible Design: Precisely manufactured to match original equipment standards, ensuring seamless fitment and easy installation on most bicycles.\u003c\/li\u003e\n\u003cli\u003eHigh-Grade Chrome Steel Construction: SAE52100 chrome steel balls, rings and cage deliver superior hardness, wear resistance and consistent strength.\u003c\/li\u003e\n\u003cli\u003eDouble Sealed Protection: Equipped with 2RS seals that effectively block dust, water and debris while maintaining internal lubrication for extended life.\u003c\/li\u003e\n\u003cli\u003ePre-Lubricated for Smooth Rotation: Factory-filled with premium grease to minimize friction and provide effortless rolling under variable road conditions.\u003c\/li\u003e\n\u003cli\u003eEngineered for Durability: Designed for long-term reliability, combining precision assembly and superior materials for stable, smooth operation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eProduct Number: UB-R4-B5\u003c\/li\u003e\n\u003cli\u003eSeal Type: Double Sealed (2RS)\u003c\/li\u003e\n\u003cli\u003eDimensions: 6.35 x 15.88 x 4.98 mm\u003c\/li\u003e\n\u003cli\u003eBearing Inner Diameter: 6.35 mm\u003c\/li\u003e\n\u003cli\u003eBearing Outer Diameter: 15.88 mm\u003c\/li\u003e\n\u003cli\u003eThickness: 4.98 mm\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"BLACKBEARING","offers":[{"title":"Default Title","offer_id":47404768428084,"sku":"UB-R4-B5","price":590.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/1504\/8756\/files\/blackbearing-b5-r4-2rs-bearing-635x15875x498-mm-the-bike-affair-2206054.png?v=1769619259","url":"https:\/\/www.madoverbiking.com\/products\/blackbearing-2rs-b3-bearing-r4-6-35-x-15-875-x-4-98-mm","provider":"MADOVERBIKING","version":"1.0","type":"link"}