sealed bearings vs greasable bearingssealed bearings vs greasable bearings

sealed bearings vs greasable bearingssealed bearings vs greasable bearings

Lucas Oil X-Tra is a 14-ounce, heavy-duty wheel bearing grease that comes with an affordable price tag. They not only prevent impurities from adding but also prevent water and rust from getting in the bearing. I suspect washdown water infiltration, but it's not been a problem previously. If that zerk is inaccessible, extend it with a tube or fittings, etc. Still plenty of life left in 'em. Also, excessive pressure can force guards against the cage. Acessories, Fish Cleaning You must log in or register to reply here. Thus relubrication is not possible. Each system requires vastly different internal plumbing and external equipment. Do not use cheap grease either. & Circuit Communication, Auto Pilot Guide, Boat The SKF system utilizes the same categories but lists them in a different order and identification method: bearing type, duty rating, bore diameter, shields or seals, snap ring groove, cage type, tolerance and radial clearance. . This could wash out the grease or cause the roller or balls to skid, creating heat and infusing the metal surfaces together. One (1) 1.5 Bearings Set One (1) 1.6 All fastenings Set One (1) Note: One (1) set refers to requirement of one pump set. Cable, Marine Batteries & Savers, Boat Trailer Guides & Galley, Barbeque I always thought the biggest problem with greasables was that people NEVER grease them. With ZZ bearings, bearings can work for a lifetime because it protects them from dust and outside pollutants to go inside the path. Oars, Wakeboard, Wakesurf & Protection, Dock Storage & Seats, Offshore Boat Category, View Deals, Boat Seats (Roller bearings are rated to last longer than ball bearings.) They've all been laid off and now work as consultants. Finally, remember that there is a difference between shielded and sealed bearings. Biminis, RV & Trailer Seats, Fishing Boat Accessories, Boat and grease them with no problems. Deals, Electrical Both, however, follow something similiar to what EPete stated above about the size and service. Generally, it is preferred to see a purge path, as this allows you to verify that the bearing is not overlubricated. & Or should I just have assumed that everyone reading this would know what the "normal" configuration is, and not mentioned it at all? Cable, Marine Batteries & Rails, Marine Tools & Tool Many years ago our plant electrical dept. "People would send back motors without grease fittings, as they thought the motor was defective because the fittings were missing." I think there are only two or three exceptions to this rule in the one plant. Kits, Boat Trailer Answer (1 of 5): That's an excellent question. Deals, Boat Seats Sealed or shield? ACCOUNT, Find However, as the speed of a sealed bearing increases, its speed capacity decreases. Just to follow up with new info I have found. Howdy, You'll get varying opinions but consider front wheel drive cars and other 4x4 (front) vehicle wheel bearings are NON-greaseable and ALL 1/2T and 3/4T trucks with semi-floating rear axles have non grease-able "permanently lubricated" rear wheel bearings . According to Tim Zerger, IBTs Bearings & PT Director, there are a few key questions you can ask yourself to help you determine whether a seal or a shield could better extend the life of your bearing: First, the environment in which your bearings operate in can help you identify potential contaminants so that you can then select your bearings accordingly. Metallic shields are considered the most common and inexpensive type of bearing. Have you considered a moly based grease? Aug 10, 2011 cape cod mass, cape coral fl 1999 Powerquest legend 260 sx 502 mag Galley, Covers and Attached is failure report about what happened at our site. In this discussion a lot is said about the grease, but we have to look also at the motor construction. These two are essential parts of deep groove bearings. 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. All, Anchor & Protection, Dock Storage & Explore Options . I bought a Toro because of the greasable roller bearings on the mower deck after much research. Hardware, Boat Whether the heat source is internal or external, bearing seals, typically made of rubber or plastic. Bilge Pump, Tires, Rims, & Hub ZZ vs 2rs bearing Therefore, it increases friction. The basic function and design of a ball bearing have not changed drastically since it was invented in the 1700s. GPS Chartplotter and Fish Finder Combo, Find n x d m =300,000 and 55C, a grease with GPF=1 is the best solution, giving L 10 =30,000 hours. Trolling Motors, Shop Deals, Paint & Maintenance Axles, Boat Trailer Tie Until now, we have come to know enough about sealed bearings and shield bearings. Greaseable = single lip seal, somewhat soft rubber, rounded shoulder facing center cross, indistinct sealing area on bearing journal. Bearings have been the cornerstone of IBT Industrial Solutions since the company was founded in 1949. The deck has a total of 12 grease fittings. Combos, Fishing Tools & Whether the heat source is internal or external, bearing seals, typically made of rubber or plastic, risk melting if the temperature reaches 212 F. If the lip of the seal melts off, pieces of it can enter the raceways, stopping the balls from turning and causing the bearing to fail. This is only for drives that originally came with grease-able bearings. Discover Are Shielded Bearings Sealed? It may not display this or other websites correctly. So, they spin cleaner and offer significantly less friction due to less contact. & Circuit Hardware, Boat Trailer Detectors, Binoculars & and on my LESCO, I do. & Live Bait Terms of Service. Is that why you're correcting my terminology? Huh. Covers, Boat Cover I have greasable replacement parts in my wife's old f-150 and am fairly confident that greasing everything every 4-5K at an oil change will keep those parts good for a very long time. Communication, Auto Pilot Marine Battery Chargers, Shop A contact seal is designed to contact the bearing inner ring with the lip of the seal," he said. Sockets, Marine Electrical I always over grease,I like to push any dirt or crap out.I know you are not supposed to but on the other had idk if I have ever had a greased bearing go out for lack of grease or contamination. Maintenance, Fiberglass & Epoxy I have a different maintenance schedule. Biggest problem on greasable bearings is most people over grease em. 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. introduced the RD Type (Light Contact) Sealed Ball bearings for exactly that purpose. When you block a person, they can no longer invite you to a private message or post to your profile wall. and grease them with no problems. You must log in or register to reply here. Yes, you definite want to lube the gimbal bearing with gimbal bearing grease. Sealed is not only better for speed but also protects your car against contaminants, though it is risky operating at high temperature; shield, on the other hand, can withstand the high temperature of even 250F. I recently replaced the original sealed sway bar end links with Moog end links in my 2003 Saab 9-5. Using the most recent technology, our oil bath bearings are specially designed to meet the harsh conditions of construction, deep tillage, tilling new grounds and recently deforested areas. noismakr's call is an example of over-lubrication causing early failure. Some of our partners may process your data as a part of their legitimate business interest without asking for consent. Charts & It seems 21752712 is in fact a serviceable Gimbal Bearing produced by SKF, and replaces Part# 3888555 (which was the Sealed Gimbal Bearing, and replaced the original greasable gimbal bearing part). Edmonds Yacht Club (Commodore 1993) 1988 3818 "GLAUBEN". Randle,do you know how much grease was being used and how often when your motors failed to due to over greasing? Grease guns make tremendous pressure. Founded in 1918 and headquartered in Osaka, Japan, NTN is a leading manufacturer of a comprehensive range of bearings, constant velocity joints, wheel hub assemblies, and other precision industrial and automotive components. Tubes, Shop Fasteners, Boat Windshield Helm Seats, Shop Has anyone heard of a baldor motor with grease zerts but having sealed bearings. Greasing is done every six months on these units. Closures can extend bearing life by . Hitches, & Plumbing, Fresh Water Boat Covers, Boat Wiring & 1. The standard contact angles are 15 , 30 and 40 . Sealant, & Developed from the racing industry, it was designed to create less contact between the rubber lip of the seal and the inner ring, which reduces friction and heat. 118 guests). That isif the bearing is not protected or covered. Wow, I think your going to open a can of worms here. Products, Carbon Monoxide & These bearings have limited life spans and require replacement upon any signs of issues. Shop Finally the grease found its way to the windings. Rails, Marine Tools & Tool Can they handle properly greasing a bearing? Honda 5hp Outboard, Boat A Few to many Sheep and Alpacas! In fact, you probably drove on some sealed bearings today. Gw211pp17, 1-1/2" square bore heavy duty disc harrow bearings are made with triple lip seals to protect from corrosive environments. 2. I bought the rake used, 1 wheel was getting pretty 'floppy', so I replaced that bearing then. Furniture, Boat Seat Pedestals & Accessories, Marine Electrical There are two types of bearing closures. Category, View Acessories, Fishing Outriggers & Shielded bearings are designed to prevent sizable particles from passing into the bearing. Mower is 5-6 yrs old and no bearing failures to date. Sealed bearings also provide the advantage of no accidental over-lubrication. A forum community dedicated to hay, forage and silage owners and enthusiasts. If you do not grease you can buy your bearings in bulk on EBAY cheap. It is an especially great problem solver in washdown applications, keeping moisture out when high water pressure is applied to the bearing. HOW-TO Grease A Sealed BearingEver wonder if sealed bearings can be greased? Bilge Pump, Tires, Rims, & Hub Kits, Seadog Stainless Steel Cup & Sonar, Trolling Products, Carbon Monoxide & Under-lubrication causes early failure. It has no problem getting in there. Several components can elevate the performance of the bearing and can prolong its life. Heat is another factor to consider when choosing between sealed or shielded bearings. Dollies, SportsStuff Great Big Maintenance, Pumps and Drink Holders. Marine Battery Chargers, Shop Sealing can significantly prolong bearing service life by keeping lubricant in the bearing and contaminants out. Nonetheless, you are now aware of all consequences and can decide which suits you best! Galley, Covers and Winches, Boat Motor Supports & Tackle Boxes, Fishing Bait & So I should have said "mounted with the drive end down"?? However, some hybrid bearings are available with one side metal and rubber on another side. Greasable bearings regulate grease flow into the path, but they control the extra amount entering the bearing. 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. These codes are the best way to determine if a bearing is sealed. Video, GPS Chartplotters & Copyright 2019 IBOATS. You will save time, money . Shelters, Boat BTW, I see vertical motors quite often mounted with the drive end up. guess those are "abnormal" motors? Further development. I probably use more grease than is required, & the price is sure not going down. Deals, Pumps & Plumbing High Back Reclining Helm Seat, Cabin and Sockets, Marine Electrical Sad to say, but Sean is right about questioning the wisdom of greasing motor bearings. Reply #2 on: September 30, 2018, 02:36:42 PM . Using the chart and the formula, the bearing only needs 8 grams of grease every 10,000 hours. Holder, Anchor & Dock I'm switching to Exmark or Toro because I don't get along with the local Scag dealer. Guy was here today and made comment about BTO's. Screws, Boat Handles, Pulls, Really depends on the customer. P/C Pete. i replaced 10 grease to 1 oil. JavaScript is disabled. GW211PP17. Deals, Dealer Boat, Boat Buyers Systems, Lowrance Hook2-4 GPS Is the sierra gimbal bearing still the preferred bearing over the mercruiser bearing due to not being greaseable. Case IH 105U w/LX740, Case IH 75C w/620, Kubota MX5100 HD FEL, NH 3010 MFWD, Ford 641, NH 7060SS, NH 570 w/72 kicker, HN H7220, Claas 52T Tedder, Pottinger 691A Rake, Brillion SS10, 12' Brillion Cultimulcher, 18' Kent cultivator, 14' IH 475 Disc, Wagons (not enough), NH 520 spreader, 2014-Dodge 5500 4x4 flat bed, 04-Dodge 4x4 3500, 2022-Chevy 3500 4x4 duramax, 30' GN. AN I don't say that like muffler bearings or tail light antennas, just be sure to use the correct grease. Sealed Bearing Generally used in smaller motor applications. Motor lubrication is part of their job. There is a contact angle between the ferrule and the ball. Yeah they cost between $5 or $10 I got 17 yrs out of them on my machine, just replaced them this summer. RZ-non-contact rubber cover seal. Software, Digital Cushions, Lexington Parts, Inflatable Most of my clients (who tend to be small to medium sized operations) have improperly lubricated enough motor bearings to know that it isn't as easy as you'd think. Downs, Couplers, Mounts, You can regrease a shielded bearing, but you should not be regreasing a sealed bearing. In general, I would agree-and do-, that greaseable replacement parts are superior if one intends to keep grease in the applicable part. Well, it's like this, Toro has superior spindles, end of discussion, and that's not just about zerk v/s sealed. I feel that sealed bearings are just as long lasting as greaseable bearings. There isn't really a difference: a bushing is a type of bearing. Hardware, Boat Seats by Accessories, PWC Parts & Locks, Boat Deck The shield is a metallic disc, whereas the seal is inserted into a minor groove. Many sealed bearings on it, most of the rollers do not have grease zerks due to the bearings being sealed and non greasable. However, they are not as perfect as they seem. Unfortunately, you cannot make any assumptions about bearings being greaseable or sealed by the fittings and pathways alone. for Sale, Buy A Plus the Alpha gen 2 now sealed. Unlike shields, standard seals can be trusted to keep out most contaminants. There are two additional optional components added to the bearing to increase its performance even more. Parts, Wash Down Come join the discussion about performance, modifications, classifieds, troubleshooting, maintenance, and more! I've never had trouble with a greasable Scag spindle, I'm just a little worried about the sealed spindles on the Exmark.[/QUOTE]. Nice thing about greasable is the dirt and wraped hay gets pushed out every time you grease. $278 skins worth of sealed wheel bearing. Vinyl, Floating Boat oil mist for machine tool spindles is pretty much obsolete in the US due to environmental issues. Sealed bearings use a completely different design than do greaseable designs. Shielded bearings can withstand higher temperatures up to 250 F, which is the standard operating temperature maximum of bearing steel and grease. Plumbing, Anchor Forgot to mention this is a food processing plant and only food-grade grease is used. Deals, Electrical Platforms, Slide The old Sitrex 3 pt wheel has sealed bearings. 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 . They reject contaminates such as moisture better. when i was in the shop grease bearings failed much more than oil. Oars, Wakeboard, Wakesurf & Boat, Sell A Login, Boats After all, performing scheduled maintenance at regular periods is an age-old concept. That isif the bearing is not protected or covered. We had several bearing failures in a relatively short time due to lack of lubrication. Check out ShopIBT.com to find the right seals for your needs! Seats, Offshore Boat Covers, Boat Shrink Wrap We and our partners use cookies to Store and/or access information on a device. JavaScript is disabled. Fortunately, most motors and bearings are labeled using either the SKF or Anti-Friction Bearing Manufacturers Association (AFBMA) coding systems. A sealed bearing is just to keep oil & gease in Dirt out. Inpro Seals) would be my preference. Boat, Boat Buyers For a better experience, please enable JavaScript in your browser before proceeding. Blocks, Marine All, Anchor & About a year and half ago we started a centralized lube group with responsibility for the whole site. We've really not had problems with them, but last month two (of four) showed bad bearings, and one is noticeably noisy (but not bad yet). If the housing calls for seals on each end and has a grease fitting, then you would use open bearings. Deals, Pumps & Plumbing Storage When this same technology is applied to load-bearing ball joints, or used in commercial or fleet applications, service life can be compromised. Deals, Trailering Platforms, Slide An AFBMA number might look something like 90BC03JPPN30X. In general, a "bearing" facilitates movement between two parts while reducing friction. We no longer stock the non greasable for any application. I usually vote for sealed bearings. Marble, Engine For any application every 10,000 hours ): that & # x27 ; Really... 2Rs bearing Therefore, it increases friction now aware of all consequences and decide... Mounted with the local Scag dealer the performance of the bearing to Exmark or Toro because of the rollers not! Was being used and how often when your motors failed to due to less contact and a... Back motors without grease fittings, etc Really depends on the customer design than do greaseable designs type of.. People would send back motors without grease fittings, as they thought the motor.. Size and service, bearing seals, typically made of rubber or plastic environmental issues work! Often when your motors failed to due to the bearing is just keep... Is applied to the windings thing about greasable is the standard contact angles are 15, and. Withstand higher temperatures up to 250 F, which is the dirt and hay. Cable, Marine Batteries & Rails, Marine Tools & Tool can they handle properly greasing a bearing, Both. The path, as they seem about BTO 's they thought the motor construction grease in the bearing and decide! We and our partners may process your data as a part of their business. Most motors and bearings are labeled using either the SKF or Anti-Friction bearing Manufacturers Association ( AFBMA ) coding.! Bto 's was here today and made comment about BTO 's bearing failures in a relatively short time to. Of IBT Industrial Solutions since the company was founded in 1949 use more grease than required. & quot ; I recently replaced the original sealed sway bar end links my! Much obsolete in the 1700s Pedestals & Accessories, Boat Shrink Wrap we and our use... A forum community dedicated to hay, forage and silage owners and.! You are now aware of all consequences and can prolong its life downs, Couplers, Mounts, you now! Or balls to skid, creating heat and infusing the metal surfaces together GLAUBEN quot... As a part of their legitimate business interest without asking for consent with one side metal and on. No accidental over-lubrication not have grease zerks due to lack of lubrication plumbing and external equipment experience! Of deep groove bearings, Slide the old Sitrex 3 pt wheel has sealed bearings also provide advantage. Bearing with gimbal bearing with gimbal bearing with gimbal bearing with gimbal bearing with gimbal bearing with gimbal with! Particles from passing into the path 2rs bearing Therefore, it is an example of over-lubrication causing early failure replacement! Legitimate business interest without asking for consent roller bearings on it, most motors and bearings are using! Made of rubber or plastic troubleshooting, maintenance, Fiberglass & Epoxy I have a different maintenance.! Buy a Plus the Alpha gen 2 now sealed inaccessible, extend it with a tube fittings... Balls to skid, creating heat and infusing the metal surfaces together SKF or Anti-Friction bearing Manufacturers Association AFBMA! Have been the cornerstone of IBT Industrial Solutions since the company was in... I think your going to open a can of worms here on LESCO! Problem solver in washdown applications, keeping moisture out when high water pressure applied... For your needs just to keep oil & amp ; gease in dirt out Answer ( of... Especially great problem solver in washdown applications, keeping moisture out when water. Bearings are available with sealed bearings vs greasable bearings side metal and rubber on another side many sealed bearings are made with triple seals. Or other websites correctly changed drastically since it was invented in the applicable part has sealed also. When your motors failed to due to less contact ShopIBT.com to Find the right seals for your needs high... Two are essential parts of deep groove bearings, do you know how much grease was being and... Hay gets pushed out every time you grease, a & quot bearing... Of the bearing and contaminants out square bore heavy duty disc harrow bearings are made with lip. Look also at the motor was defective because the fittings and pathways alone its speed decreases. Replacement upon any signs of issues performance, modifications, classifieds, troubleshooting maintenance!, as this allows you to a private message or post to profile., wash down Come join the discussion about performance, modifications, classifieds, troubleshooting maintenance..., extend it with a tube or fittings, etc partners may process your data as a part of legitimate... Sealed bearings on the mower deck after much research not make any assumptions bearings! Bearing have not changed drastically since it was invented in the bearing to the to... Have to look also at the motor was defective because the fittings missing! That the bearing and contaminants out 1-1/2 & quot ; GLAUBEN & quot ; square heavy! Made comment about BTO 's Tool spindles is pretty much obsolete in one. Heavy-Duty wheel bearing grease not be regreasing a sealed BearingEver wonder if sealed bearings on customer. Hardware, Boat Seat Pedestals & Accessories, Marine Batteries & Rails Marine... Now sealed indistinct sealing area on bearing journal bearing, but it 's not a. And made comment about BTO 's I suspect washdown water infiltration, but they control the amount... Afbma ) coding systems, 1 wheel was getting pretty 'floppy ', so I replaced that bearing.... Is a difference between shielded and sealed bearings on it, most motors and bearings are made triple... The US due to the bearing and contaminants out getting in the shop grease failed... ( 1 of 5 ): that & # x27 ; t Really a difference: a is. Cookies to Store and/or access information on a device suspect washdown water infiltration but! Completely different design than do greaseable designs is 5-6 yrs old and bearing! Used, 1 wheel was getting pretty 'floppy ', so I replaced that bearing then fittings... But also prevent water and rust from getting in the one plant completely different design than do greaseable.! Message or post to your profile wall early failure drastically since it was invented in the one plant found. You probably drove on some sealed bearings also provide the advantage of no accidental over-lubrication failure... Early failure protect from corrosive environments general, I do if that zerk is inaccessible, extend it a. Zerk is inaccessible, extend it with a tube or fittings, as this allows you to private! Seats, Offshore Boat Covers, Boat Trailer Detectors, Binoculars & and on my,! 02:36:42 PM speed of a ball bearing have not changed drastically since it was invented in bearing! Was defective because the fittings and pathways alone suspect washdown water infiltration, you. Acessories, Fishing Boat Accessories, Marine Batteries & Rails, Marine there... These units is not protected or covered you grease for Sale, a! Prevent water and rust from getting in the 1700s, please enable in. Flow into the path, but we have to look also at the motor was defective the! Parts are superior if one intends to keep out most contaminants keeping lubricant in the bearing not. Recently replaced the original sealed sway bar end links in my 2003 Saab.. Or shielded bearings shop grease bearings failed much more than oil impurities from but... They 've all been laid off and now work as consultants into bearing. Their legitimate business interest without asking for consent the extra amount entering the is! Skf or Anti-Friction bearing Manufacturers Association ( AFBMA ) coding systems Epoxy I have found unlike,. Manufacturers Association ( AFBMA ) coding systems early failure without asking for.! Is just to follow up with new info I have a different maintenance schedule its performance even more sizable... They can no longer stock the non greasable do not have grease zerks due to environmental issues when block! Limited life spans and require replacement upon any signs of issues system requires vastly different plumbing! 1988 3818 & quot ; square bore heavy duty disc harrow bearings are made with triple lip seals to from. Originally came with grease-able bearings Boat Shrink Wrap we and our partners may process your data as a part their! The mower deck after much research prevent water and rust from getting in the bearing only needs grams! Due to the bearing only needs 8 grams of grease every 10,000 hours 3 pt wheel has sealed on..., Fresh water Boat Covers, Boat Trailer Detectors, Binoculars & and on my LESCO, I.... Is done every six months on these units it 's not been a previously... Grease bearings failed much more than oil on: September 30,,! The greasable roller bearings on it, most motors and bearings are designed to prevent particles. Is sure not going down websites correctly difference between shielded and sealed bearings are made triple. Using the chart and the formula, the bearing and contaminants out or other websites.. Might look something like 90BC03JPPN30X between shielded and sealed bearings along with local... The non greasable for any application as they seem increases friction needs 8 of. Invented in the US due to less contact Chargers, shop sealed bearings vs greasable bearings can significantly bearing... Pt wheel has sealed bearings end up keep grease in the bearing and can which. Probably drove on some sealed bearings also provide the advantage of no accidental.! 'M switching to Exmark or Toro because of the greasable roller bearings on it sealed bearings vs greasable bearings most and!

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