{"product_id":"ucf204-12-pillow-block-bearing-3-4-in-bore-self-aligning-10-pack","title":"UCF204-12 Pillow Block Bearing 3\/4 in Bore - Self-Aligning 10 Pack","description":"\u003cp\u003eIn this review of the UCF204-12 pillow block bearing pack, the bottom line is simple: this 10 pack is aimed at mechanics, fabricators and maintenance techs who need compact, durable mounted bearings that arrive ready to install. The review finds the set most valuable for applications where simple replacement or stock rotation matters because the bearings come pre-lubricated and include a grease fitting for re-lubrication, while the self-aligning outer diameter helps compensate for minor shaft misalignment during installation.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFour-bolt flange design:\u003c\/strong\u003e The square, 4-bolt mounting provides a stable, repeatable way to secure the bearing to flat surfaces for conveyor frames and machinery bases.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSelf-aligning ball bearing:\u003c\/strong\u003e Wide inner ring ball bearings with a spherical outside diameter reduce the need for perfect shaft alignment and lower installation headaches.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePre-lubricated and serviceable:\u003c\/strong\u003e Bearings arrive pre-lubricated for immediate use and include a grease fitting so they can be re-lubricated for extended life in the field.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable materials:\u003c\/strong\u003e Internal chrome steel (AISI 52100) construction increases wear resistance and improves longevity under load.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReady for multiple applications:\u003c\/strong\u003e The UCF pillow block format suits agricultural equipment, conveyor systems, industrial machinery and food processing with a common, easy-to-replace footprint.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis 10 pack is best for maintenance departments, small fabricators and DIY machinists who want several ready-to-install pillow blocks on hand for routine repairs or small production lines. The pre-lubrication and grease fitting make these bearings practical for teams that will service them periodically rather than replace them after the first run.\u003c\/p\u003e\n\u003cp\u003eThose who need precision-mounted, large-diameter industrial bearings or who require a guaranteed exact external dimension compared to older installations should measure carefully before buying, since some customers have reported perceived differences in size and alignment needs in tight assemblies.\u003c\/p\u003e\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSolid build quality and chromed steel internals deliver reliable wear resistance.\u003c\/li\u003e\n\u003cli\u003ePre-lubricated with a grease fitting makes initial installation quick and future maintenance straightforward.\u003c\/li\u003e\n\u003cli\u003eSelf-aligning feature eases installation on slightly misaligned shafts and reduces binding.\u003c\/li\u003e\n\u003cli\u003eValue pack of 10 provides spares for maintenance programs or multiple machines.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSome installers report alignment challenges in very tight or older housings that expect exact dimensions.\u003c\/li\u003e\n\u003cli\u003eA few users found the units smaller than expected for certain retrofit jobs, so verifying bore and mounting spacing is advised.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel format\u003c\/td\u003e\n\u003ctd\u003eUCF flanged series, square 4-bolt\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBore size\u003c\/td\u003e\n\u003ctd\u003e3\/4 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePack quantity\u003c\/td\u003e\n\u003ctd\u003e10 pieces\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBearing material\u003c\/td\u003e\n\u003ctd\u003eChrome steel (AISI 52100)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting style\u003c\/td\u003e\n\u003ctd\u003e4-bolt flange with set screw locking\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLubrication\u003c\/td\u003e\n\u003ctd\u003ePre-lubricated with grease fitting for re-lubrication\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe UCF204-12 3\/4 in pillow block 10 pack is a practical, cost-effective choice for maintenance crews and hobby shops that need multiple, ready-to-install mounted bearings. Its combination of \u003cstrong\u003eself-aligning\u003c\/strong\u003e design, durable chrome steel construction and serviceable lubrication makes it good value for routine industrial and agricultural uses, provided buyers confirm mounting and bore dimensions for tighter retrofit jobs.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eAre these bearings ready to install?\u003c\/strong\u003e\u003cbr\u003eYes. The bearings come pre-lubricated and include a grease fitting so they are ready for immediate installation and future re-greasing.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill the self-aligning feature fix a badly bent shaft?\u003c\/strong\u003e\u003cbr\u003eNo. The self-aligning spherical outside diameter compensates for minor misalignment but will not correct a severely bent or damaged shaft.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat applications suit these pillow blocks?\u003c\/strong\u003e\u003cbr\u003eThey are suitable for agricultural equipment, conveyor systems, industrial machinery and food processing where a compact, serviceable mounted bearing is needed.\u003c\/p\u003e","brand":"Jeremywell","offers":[{"title":"Default Title","offer_id":48186229752027,"sku":"B01MY71KHD","price":54.45,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/81VI9-7ruwL._SL1500.jpg?v=1769438163","url":"https:\/\/gearmusthave.com\/products\/ucf204-12-pillow-block-bearing-3-4-in-bore-self-aligning-10-pack","provider":"GearMustHave","version":"1.0","type":"link"}