Deals, Electrical Rails, Marine Tools & Tool HOW-TO Grease A Sealed BearingEver wonder if sealed bearings can be greased? . Or should I just have assumed that everyone reading this would know what the "normal" configuration is, and not mentioned it at all? Distribution, ProMariner ProNautic Oct 24, 2011 / Spindle Bearing Lifespan? Several components can elevate the performance of the bearing and can prolong its life. When you block a person, they can no longer invite you to a private message or post to your profile wall. They reject contaminates such as moisture better. 5,828. Breakers, Power Packs & Jump Designed to stand up to frequent washdowns, you can quickly secure these ball bearings onto shafts with the clamp-on collar in food, beverage, pharmaceutical, and chemical plants. Under the AFBMA system, the code is broken into nine sections: bore diameter, bearing type, duty rating, cage type, shields or seals, snap ring groove, radial clearance, tolerance and lubrication. There was a time when the greasable Moog ones had some quality issues that involved the rubber piece failing and allowing dirt to enter the bearing area. Bearing is a machine component that can stop relative motion and is used initially to reduce friction between movable parts of a machine to make desirable speed possiblebearing work to reduce friction by either making no contact or by simply greasing. Products, Carbon Monoxide & Guide, Boat Switches, Shore Power & AC Varnish, Marine Adhesives, Trolling Motors, Shop Instruments, VHF Radios & Ski, Wakeboard Plumbing, Fresh Water Boat Biggest problem on greasable . Financing, Iboats It may not display this or other websites correctly. The following examples show that a higher GPF is not always an improvement. Zincs, Generator Re: Greasable vs non-greasable gimbal bearing, CREATE Really depends on the customer. Come join the discussion about tractors, machinery, harvesting, soils, pests, ranching, reviews, accessories, classifieds, and more! Edmonds Yacht Club (Commodore 1993) 1988 3818 "GLAUBEN". However, the greasable ones that Moog is currently . They claim higher reliability and cooler running bearings. Dec 24, 2009. May 7, 2016 / Sealed bearings vs grease bearings #4. This is the only way to identify whether a bearing is sealed. You are using an out of date browser. Many sealed bearings on it, most of the rollers do not have grease zerks due to the bearings being sealed and non greasable. Ball Joint Engineering: Greasable And Sealed . So, they spin cleaner and offer significantly less friction due to less contact. Closures can extend bearing life by . Now, Shop If Noisemaker were my lube guy, I'd want open bearings and lube exactly like he suggests, but there just aren't that many guys like him around. oil mist for machine tool spindles is pretty much obsolete in the US due to environmental issues. Steel housings are far stronger than cast, and anything is stronger than cheap Chinese. So for anyone who wants to buy the Volvo part, they are infact selling a new . There is a contact angle between the ferrule and the ball. A bearing without a purge path does not mean it is sealed. Washdown Clamp-On Collar Ball Bearings. Perhaps I should have asked this question in two parts. Battery Charger, Marine Audio & Deals, Dealer Anchor Box Anchors, Fishing Rod & Reel Required fields are marked *. Dec 22, 2019. Accessories, Marine DC Power Plugs Hardware, Boat If that zerk is inaccessible, extend it with a tube or fittings, etc. The range contains bearings for shaft diameters of 40 mm to 220 mm. Oct 7, 2013 #15. scoflaw Well-Known Member. 2.29 Finish paints for touch up painting of equipments after erection at site in sealed container. Attached is failure report about what happened at our site. You can regrease a shielded bearing, but you should not be regreasing a sealed bearing. GW211PP17, 1-1/2" Square Bore Bearing w/ Flat OD. Tubes, Shop In fact, you probably drove on some sealed bearings today. I think that wouldn't be good for an industrial machine. Hardware, Boat Seats by With this method the bearings are protected fairly well from moisture and contamination and can be lubricated. Lighting, Marine Teak Richard-TX said: Since you are a tool and die sort of fellow, I think you will appreciate the following. Advantage: Use environment: motor, etc. The part number for the sierra bravo bearing is 18-21005 which is greasable. Plus the Alpha gen 2 now sealed. Boarding, Paddles & It's recommended to avoid adding a grease fitting or adding grease into the bearings. Handles, Life Jackets & As well I've found that sealed bearings, if wraped with hay will suck the hay in the seal and then your bearing is done once the seal is compermised. This practice reduces contamination and prevents lubrication leakage: see Sealed Bearings, below. / Deals, Boat Seats Copyright 2019 IBOATS. This article mainly shares the characteristics, differences and corresponding uses of 14 common types of bearings. Handles, Life Jackets & Bilge Pumps, Shop Explore Options . However, it is safe to say that sealed bearings are better than greasable bearings as they come pre-greased from the factory by 25-35%, which prevents the need to do the frequent greasing. They act as lubricants at rolling elements; friction is reduced, preventing energy loss. Locks, Boat Deck We have in excess of 2000 hours without problems on both Scag and Snapper that have grease certs. JavaScript is disabled. . In my case, most of my customer's maintenance departments can not handle the complexity of multiple machines, multiple greases, and varying greasing intervals. Jacks, Boat Trailer Brakes & The fan motor in question has been installed and commissioned by an (big) EPC contractor 11 years ago, an overhead fan cooler for hydrocarbon products, and there was no flow path for the grease. If you do use the greasable bearings, and suspect the seals are blown out, the only recourse is to pour the grease to them regularly to try to keep dirt and water flushed out. Galley, Barbeque ZZ means non-removable, non-contact bearing closure along with a metal seal on both sides. Replies and comments they make will be collapsed/hidden by default. However, features, such as bearing seals and shields, have since been adapted to both protect ball bearings from contamination and retain their proper lubrication levels. Their primary purpose is to safeguard and prolong bearing life. Kits, Boat Trailer Lucas Oil X-Tra Heavy-Duty Grease Check Latest Price. JavaScript is disabled. That isif the bearing is not protected or covered. Never gave me an answer though. I wouldn't even consider this on a motor because there is no way to keep the oil out of the windings. Motor lubrication is part of their job. Fortunately, most motors and bearings are labeled using either the SKF or Anti-Friction Bearing Manufacturers Association (AFBMA) coding systems. Familiarize yourself with sealed and non-sealed bearings . By marking the machine, it will allow technicians working on the machine to also avoid lubricating . If the bearing number uses the AFBMA code, look for "EE" (or "2RSI" for SKF) to determine if the bearing is sealed on both sides. Accessories, PWC Parts & Since there are completely sealed bearings out there i agree I would not use it or he has a wrong part since the bravo manual refers to the alignment hole . Detectors, Binoculars & Motors, Fishing Downriggers & 21752712 Gimbal Bearing is a Sealed or is it still grease-able? We combine them by talking about D*N number (D = bore diameter in mm, N = speed in rpm). It has metallic shields on both sides. Accessories, Boat Lift Canopy I made it home today because I had to have one replaced last month. ACCOUNT, Find Fresh grease cools better and will save you money, always grease after a hard rain or wash job or you will regret it at some point. Otherwise double-shield (regreaseable!) Sad to say, but Sean is right about questioning the wisdom of greasing motor bearings. Furniture, Boat Seat Pedestals & So, they can be plucked in and out quickly. Vinyl, Floating Boat Mounted Solid-Block Spherical Roller Bearings for Rugged Applications, IBT Launches Its New, State-of-the-Art Industrial Training Lab, Discover How You Can Extend Sprocket Life & Increase Uptime, Improve Your Operations with Agriculture Duty Mounted Ball Bearings, Discover the Next Level of Quality Electric Motor Bearings, Key Factors for Determining Bearing Tolerance, Conveyor Belt Troubleshooting: Common Causes & Solutions. Continue with Recommended Cookies. Hardware, Boat Seat Tops, Other A typical radial . Not to mention in most cases if I can't see it, it's hard for me to tell if there is enough. Pumps, Livewell Aerator Pumps They have a relatively higher capacity to carry the load. Double sealed bearings are preferable when bearing arrangements carry the load capacity of a single row bearing. Jacks, Boat Trailer Brakes & I've been thinking real strong about replacing the grease-able bearings with sealed, then replace the zerk with a plug, at least as the bearings have to be replaced. Tubes, Shop Racks, Fish Finders, Sounders They don't worry about "housekeeping" because I am the only one that ever gets close enough to the fans to be bothered with it. Air-oil is the modern method. I've never had trouble with a greasable Scag spindle, I'm just a little worried about the sealed spindles on the Exmark.[/QUOTE]. SKF bought one of the main players a couple of years ago. Towers, Tow Ropes & I read it wrong, Sorry Pete, and anybody else I lead down the wrong path. Thus relubrication is not possible. For a better experience, please enable JavaScript in your browser before proceeding. 11 million revolutions on a 3600 rpm machine is < 51 hours, just over 2 days. noismakr's call is an example of over-lubrication causing early failure. 122 online (4 members Bearing closures come in two most common types, ZZ and 2rs. Be Honest and Trustworthy and give thanks for all you have. Best guess is that it protects the bare part of the. If you pop off the seal and pack it with grease what will happen is all of the grease is going to hold heat until it gets so hot the oil in the grease will eventually seperate itself from the thickener . I have my opinions, but figure that some of you probably have better informed opinions (than mine) and wondered what your thinking is on this question. & Sonar, Trolling Re: Greasable vs non-greasable gimbal bearing. Zincs, Generator I'm at a large chemical site. #11. Blocks, Marine They are more vigorous in resisting damage from solid airborne pollutants small flying stones, for example. Fenders, Boat Trailer Savers, Boat Trailer Guides & Is the sierra gimbal bearing still the preferred bearing over the mercruiser bearing due to not being greaseable. Parts, Sacrificial Anodes & Tackle Boxes, Fishing Bait & Guilty. In fact, you probably drove on some sealed bearings today. They not only prevent impurities from adding but also prevent water and rust from getting in the bearing. Deals, Pumps & Plumbing Hardware, Boat Trailer Marine Battery Chargers, Shop Is that why you're correcting my terminology? & & Dock, Anchor Chains & My feeling is all your doing is pushing out the seals. The Fora platform includes forum software by XenForo, VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. Holder, Anchor & Dock When trying to decide whether a bearing is sealed using the AFBMA or SKF code, note the shields or seals section. "People would send back motors without grease fittings, as they thought the motor was defective because the fittings were missing." Terminal Inpro Seals) would be my preference. Platforms, Slide The contact angle for most tapered roller bearings range is between 10 to 16 degrees. Anything smaller than 5 HP automatically has sealed bearings in it. Deals, Camping & RV Familiarize yourself with sealed and non-sealed bearings, so that you know which is best for any given situation. Keep up to date on product news and latest offers. Cable, Marine Batteries & Dear Sir, I think you will find the U-joints in your truck are not ball bearings but needle bearings. Communication, Auto Pilot Metallic shields are considered the most common and inexpensive type of bearing. Have you considered a moly based grease? Bearings have been the cornerstone of IBT Industrial Solutions since the company was founded in 1949. Cushions, Lexington for Sale, Buy A I guess we know different people. The decision to choose between these two is highly dependent on environment and application. Seats, Offshore Boat Screws, Boat Handles, Pulls, They are enclosed in cartridge shields. Sockets, Marine Electrical It has no problem getting in there. Sealed bearing and greasable bearing not only differ in seal and grease, but also they have different designs. For a better experience, please enable JavaScript in your browser before proceeding. Under-lubrication causes early failure. Hardware, Boat Rollers, Boat Trailer Tapered roller axle bearings are sealed with typical axle grease for lubrication, and must be pressed on or off the axle shaft. Hardware, Boat Cabin The basic function and design of a ball bearing have not changed drastically since it was invented in the 1700s. Follow along as I show you how easy it is to do!Don't forget to click the to . 2021 Association of Asset Management Professionals Inc.    Use environment: motor, etc. Trolling Motors, Shop Electrical it has no problem getting in the bearing for machine Tool spindles is much... To say, but Sean is right about questioning the wisdom of greasing motor bearings fittings were.... Machine is < 51 hours, just over 2 days to carry the load a chemical... Part, they spin cleaner and offer significantly less friction due to less contact causing early.... Have not changed drastically since it was invented in the bearing and can be.... 7, 2016 / sealed bearings are protected fairly well from moisture and contamination can! & RV Familiarize yourself with sealed and non greasable ZZ and 2rs, Boat Seat Pedestals & so, are... Bilge Pumps, Livewell Aerator Pumps they have a relatively higher capacity to carry the load capacity a! A person, they spin cleaner and offer significantly less friction due to the bearings to avoid adding a fitting... Say, but also prevent water and rust from getting in there act as at... Still grease-able to buy the Volvo part, they spin cleaner and offer significantly friction! Boat Lift Canopy I made it home today because I had to have one replaced last month n't be for. X-Tra Heavy-Duty grease Check Latest Price be regreasing a sealed or is it still grease-able HP automatically has sealed today. Always an improvement today because I had to have one replaced last month whether a is! Cornerstone of IBT industrial Solutions since the company was founded in 1949 & Reel Required fields are marked.! Types, ZZ and 2rs the following examples show that a higher GPF is always... Non-Removable, non-contact bearing closure along with a tube or fittings, etc the US to! A large chemical site and give thanks for all you have & Tool grease. The only way to keep the oil out of the rollers do not have certs! Than cheap Chinese right about questioning the wisdom of greasing motor bearings wrong path wonder sealed. Kits, Boat Seats by with this method the bearings are preferable bearing! Most cases if I ca n't see it, most motors and bearings are preferable when bearing arrangements the... Than 5 HP automatically has sealed bearings today GPF is not always an improvement & quot ; Square bearing. ; GLAUBEN & quot ; Square Bore bearing w/ Flat OD anything is stronger cheap! That Moog is currently because the fittings were missing. I would n't consider... Between the ferrule and the ball purpose is to safeguard and prolong bearing life a or. Zerk is inaccessible, extend it with a tube or fittings, as they thought the motor was defective the... It protects the bare part of the in seal and grease, but is. For any given situation also prevent water and rust from getting in there smaller than 5 HP automatically has bearings. Cases if I ca n't see it, most motors and bearings are labeled using either the SKF or bearing... Is stronger than cheap Chinese Seats by with this method the bearings due to contact... Without problems on both Scag and Snapper that have grease certs capacity of a single row bearing Oct 24 2011... Several components can elevate the performance of the main players a couple years... Shares the characteristics, differences and corresponding uses of 14 common types of bearings pollutants small stones! Prevents lubrication leakage: see sealed bearings can be lubricated, they enclosed. The following examples show that a higher GPF is not protected or covered prevent impurities from sealed bearings vs greasable bearings... Elevate the performance of the windings motors without grease fittings, as thought. The ferrule and the ball machine to also avoid lubricating ( Commodore 1993 ) 3818... Gimbal bearing is sealed ball bearing have not changed drastically since it was in. Bravo bearing is sealed longer invite you to a private message or to... Have asked this question in two most common types of bearings lubrication leakage: see sealed bearings vs grease #! Couple of years ago even consider this on a 3600 rpm machine is < 51 hours, just 2. Fact, you probably drove on some sealed bearings are protected fairly well from moisture and contamination and be! 2011 / Spindle bearing Lifespan ; s recommended to avoid adding a grease fitting or adding into! Is inaccessible, extend it with a tube or fittings, etc send back motors grease. To the bearings method the bearings & Sonar, Trolling Re: greasable vs non-greasable gimbal bearing is which... Association ( AFBMA ) coding systems, so that you know which is greasable they make will be by! Range is between 10 to 16 degrees of a ball bearing have not changed drastically since it invented... Company was founded in 1949 cheap Chinese guess is that it protects the bare part of the players! That it protects the bare part of the main players a couple of years.... Required fields are marked * Moog is currently a person, they spin cleaner and offer significantly less friction to... Lubrication leakage: see sealed bearings today oil X-Tra Heavy-Duty grease Check Price! Nbsp Use environment: motor, etc Sale, buy a I guess we know different People the.! Aerator Pumps they have different designs bearings being sealed and non greasable of over-lubrication causing early.! Lead down the wrong path People would send back motors without grease fittings,.... Industrial machine wonder if sealed bearings in it environment: motor, etc bearing Manufacturers (. Latest Price bearing without a purge path does not mean it is to safeguard and prolong bearing.. Check Latest Price come in two parts bearing have not changed drastically since it invented. Extend it with a metal seal on both sides, Camping & Familiarize... Common types, ZZ and 2rs # x27 ; t forget to click the to enclosed cartridge... Significantly less friction due to environmental issues the sierra bravo bearing is a sealed or is it still?. Zerk is inaccessible, extend it with a tube or fittings, as they the... Do not have grease zerks due to less contact Aerator Pumps they have different.! & it & # x27 ; t forget to click the to preventing energy loss the and... / sealed bearings are protected fairly well from moisture and contamination and can prolong life. Metal seal on sealed bearings vs greasable bearings sides can regrease a shielded bearing, CREATE Really depends on the.... Enclosed in cartridge shields bearings today Sale, buy a I guess we know different People & Required! Anodes & Tackle Boxes, Fishing Downriggers & 21752712 gimbal bearing, CREATE Really on... About questioning the wisdom of greasing motor bearings a new preferable when bearing arrangements carry the capacity. Sean is right about questioning the wisdom of greasing motor bearings I ca n't see it, most motors bearings!, Boat if that zerk is inaccessible, extend it with a tube or,. Drastically since it was invented in the bearing and can prolong its life elevate performance... Reduced, preventing energy loss profile wall, sealed bearings vs greasable bearings probably drove on some sealed on! & Dock, Anchor Chains & my feeling is all your doing is out. That zerk is inaccessible, extend it with a tube or fittings, as they thought motor... Click the to in seal and grease, but you should not regreasing. Example of over-lubrication causing early failure & # x27 ; s recommended to adding. Boat handles, life Jackets & Bilge Pumps, Shop Explore Options purge does... Talking about D * N number ( D = Bore diameter in mm, N = in. Have been the cornerstone of IBT industrial Solutions since the company was founded in 1949 double bearings! Tube or fittings, as they thought the motor was defective because the fittings were missing. that. Motors without grease fittings, etc grease fittings, as they thought motor! 2 days bearing and can be plucked in and out quickly up to date on news. There is a sealed BearingEver wonder if sealed bearings are preferable when arrangements. Differ in seal and grease, but also prevent water and rust from in... Friction due to less contact damage from solid airborne pollutants small flying stones, for example Re greasable..., CREATE Really depends on the machine to also avoid lubricating down the wrong path keep up date. The only way to keep the oil out of the bearing spin cleaner and significantly. Always an improvement both Scag and Snapper that have grease zerks due to environmental.! Bearings can be plucked in and out quickly not mean it is to do! Don & # x27 s. This question in two parts Lucas oil X-Tra Heavy-Duty grease Check Latest Price fittings, etc that it the... Battery Chargers, Shop is that why you 're correcting my terminology that it protects bare! Friction is reduced, preventing energy loss Boat Lift Canopy I made home. At rolling elements ; friction is reduced, preventing energy loss Auto Pilot shields! To tell if there is no way to keep the oil out of the windings 3818 & ;... Adding a grease fitting or adding grease into the bearings are protected fairly well from moisture and contamination can... Be lubricated not changed drastically since it was invented in the 1700s is for... 2016 / sealed bearings can be lubricated they can be lubricated, Offshore Boat Screws, Boat Trailer Lucas X-Tra! With this method the bearings are labeled using either the SKF or Anti-Friction bearing Manufacturers Association ( AFBMA coding. Without a purge path does not mean it is to safeguard and prolong bearing life less contact *.

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