{"product_id":"merc-118","title":"Mercury - Needle Roller Bearing - 30956T","description":"\u003cp\u003eThe Mercury Quicksilver Needle Roller Bearing 31-30956T is an OEM-style precision bearing used in compatible Mercury, Mariner, and MerCruiser lower-unit gearcase assemblies. This bearing helps reduce rotating friction and support shaft operation inside the gear housing under load.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eMercury\/Quicksilver needle roller bearing\u003c\/li\u003e\n\u003cli\u003ePart number: 31-30956T\u003c\/li\u003e\n\u003cli\u003eAlso referenced as 30956T\u003c\/li\u003e\n\u003cli\u003eLower-unit gearcase bearing component\u003c\/li\u003e\n\u003cli\u003eSupports rotating shaft stability inside the gear housing\u003c\/li\u003e\n\u003cli\u003eGTIN \/ UPC: 745061134867\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003eEngine Compatibility\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eUsed on select Mercury and Mariner outboards, including various 45 Jet, 50 HP, 55 HP, 60 HP, and mid-to-high horsepower applications from 65 HP through 175 HP. Also commonly used on select MerCruiser Alpha One Generation II lower-unit drive assemblies.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eSerial Number Fitment Notice\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eVerify fitment by engine or drive serial number, lower-unit model, gearcase diagram, and original bearing part number before ordering. Gearcase bearings can vary by shaft size, bearing location, gear housing style, and production range.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eWhen This Part Needs Replacement\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eReplace this needle roller bearing if it is worn, noisy, pitted, scored, seized, loose in the housing, contaminated by water intrusion, or damaged during lower-unit disassembly. It should also be inspected during gear, propeller shaft, driveshaft, seal, or bearing-carrier service.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eInstallation Notes\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eInstallation requires lower-unit disassembly and proper bearing removal\/installation tools. Inspect the shaft surface, gear housing bore, seals, gears, and lubricant condition during service. Replace any related worn components and refill the gearcase with the correct lubricant after reassembly.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eAlternate\/Superseded Part Numbers\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003ePrimary Mercury references: 31-30956T and 30956T. Common aftermarket interchanges include Sierra Marine 18-1158, SEI Marine 93-102-12, and GLM 11410.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eParts Desk Insight\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eLower-unit bearings are not parts to match by appearance alone. Even a small difference in bearing size or gearcase location can affect shaft alignment, noise, and gear life, so matching by serial number and lower-unit diagram is the safest route.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eShipping:\u003c\/strong\u003e Locally warehoused, may take up to 3 days to ship. ⚓\u003c\/p\u003e","brand":"MERC","offers":[{"title":"Default Title","offer_id":43563851153444,"sku":"30956T","price":28.67,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/5799\/7604\/files\/67082655-04ca-44fb-ad39-385e3cc681aa.png?v=1779392216","url":"https:\/\/marisolmarine.com\/products\/merc-118","provider":"Marisol Marine Company","version":"1.0","type":"link"}