Maintenance, Pumps and Ropes, Boat Tapered bearings are mounted pairs . QUOTE=Lawnfella]I've always ran Scag equipment now I am stuck between going with a new Exmark lazer Z or a Toro Z Master. Parts, Rule 1500 GPH Automatic Insurance, Boat A forum community dedicated to lawn care and landscaping professionals and enthusiasts. About a year and half ago we started a centralized lube group with responsibility for the whole site. They also feature patented duo-cone seals to keep the oil sealed . Speed also has a key role to play in the seals vs. shields debate. Finally, remember that there is a difference between shielded and sealed bearings. Shielded bearings are designed to prevent sizable particles from passing into the bearing. Honda 5hp Outboard, Boat Drink Holders. And I assumed the drive end was the coupling or sheave end, since that is the end that is "driving" the application (and which usually has the bigger bearing). How to Tell the DifferenceThere is a difference between shielded and sealed bearings. Shelters, Boat just make a stedfast routine of peekin at your oil level everyday and . Riptide Terrova 80 Trolling Motor w/i-Pilot & Bluetooth, Inflatable 1997 Volvo Penta 7.4GI PLKDCE, drive unit s/n: 4112026411. You are using an out of date browser. As the world's third largest bearing manufacturer, we have over 68 plants worldwide and 100 years of premium . 2.29 Finish paints for touch up painting of equipments after erection at site in sealed container. Tubes, Shop Switches, Shore Power & AC GW211PP17, 1-1/2" Square Bore Bearing w/ Flat OD. Marine Battery Chargers, Shop Harware, Marine Nuts, Bolts, & So if grease zerts are used then the grease gets pumped into the windings. 1. 2021 Association of Asset Management Professionals Inc.    All, Boat Bimini After all, performing scheduled maintenance at regular periods is an age-old concept. a sealed greasable bearing as long as you give it a few shots of grease it will last a long time. 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. Use environment: motor, etc. & Circuit Huh. Varnish, Marine Adhesives, They have some of each on a couple of roaster ovens. The Scag Cub has 750 hrs. If housing has no place for seals and a grease fitting, then you would use bearings that are sealed on one side. Sealed or shield? for Sale, Buy A If not, you probably never will have one. I had a customer ask if on TEFC motors it is better to have sealed bearings or bearings that can be lubricated. Premature failures, like those of the first-generation Chevy Trailblazer or Ford Transit Connect, contribute to a negative perception of the sealed joint design. You will save time, money . Deals, Dealer & Sonar, Trolling They stopped greasing motors altogether and had the rebuild shop use sealed bearings for all motor rebuilds. There have been post in this forum about sealed bearing failing in spindles on some brand. Motor lubrication is part of their job. Hardware, Boat Cabin Locks, Boat Deck Hardware, Boat Seats by Sealed bearing effective as an oil seal? Keep up to date on product news and latest offers. Handles, Life Jackets & Bearings have been the cornerstone of IBT Industrial Solutions since the company was founded in 1949. Systems, Lowrance Hook2-4 GPS So I've discussed this with people beforesome of them quite knowledgeableand none of us know. Systems, Marine Plumbing Messages. Now a question arises which is the best bearing? If the housing calls for seals on each end and has a grease fitting, then you would use open bearings. Cable, Marine Batteries & When using housings with bearings, or split bearing units, you can select from a wide assortment of SKF seals. I guess we know different people. When trying to decide whether a bearing is sealed using the AFBMA or SKF code, note the shields or seals section. HOW-TO Grease A Sealed BearingEver wonder if sealed bearings can be greased? Plumbing, Fresh Water Boat Consequently, they have low torque qualities. Accessories, Electronic Navigation 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). Wells, Toilet & Waste They guarantee a longer bearing life when revealed to heavy airborne dust and splashes out water. So, they can be plucked in and out quickly. These are shields and seals. Covers, Boat Shrink Wrap In this ongoing debate, there are several factors that we have discussed above. These bearings are not re-greasable which saves from the need to re-grease but limits the overall bearing life. Metallic shields are considered the most common and inexpensive type of bearing. Still plenty of life left in 'em. While seals are constructed from various elastomeric materials which means it is designed to contact the bearing inner circle with the lip of the seal. I recently started a blog about welding gear.I am also a DIY welding enthusiast because it is affordable for any household work. A sealed bearing is a non-greasable bearing meaning the amount of grease that is inside it is all that is required for the life of that bearing. i always . & Live Bait They are mounted under the ovens, with the non-drive end up. 1.7 Motor . Protection, Dock Storage & But how do you know which one to choose? 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 . Richard-TX said: Since you are a tool and die sort of fellow, I think you will appreciate the following. Tools Bible is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising & linking to Amazon properties. Guide, Boat Covers, Boat Wiring & My rake had sealed on the wheels, they also expected you to take them apart once a year and repack 14 wheels, sounds like BS to me. It provides a better seal and protects against the contaminated environment but makes excessive contact. 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. AN Software, Digital Air-oil is the modern method. If your grease gun delivers around 1.35 grams per stroke, that means the bearing needs 6 strokes every 13 months; you could average it out to a stroke every 8 weeks or so. Accessories, Boat On the contrary, everything comes with pros and cons. An AFBMA number might look something like 90BC03JPPN30X. #2. Failed bearings can only mean two things to mine operators: downtime and disruption. Accessories, Pontoon Bimini Terminals, Marine Fuse Blocks & For example, shielded bearings have a gap that can allow finer contaminants or water from washdown applications to enter the bearing and get into the raceways. grease will let things sneak up on you. Attached is failure report about what happened at our site. 122 online (4 members If no grease fitting then it would be sealed bearings on both sides. I would think that the need one would have for sealed bearings would be limited to extremely wet or washdown environments. 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). Plumbing, Anchor Axles, Boat Trailer Tie My feeling is all your doing is pushing out the seals. One thing to mention - there are at least three choices: sealed, shielded, open. Tops, Bimini Top Whether the heat source is internal or external, bearing seals, typically made of rubber or plastic. your boats Gel Coat Match, Shop Parts, Sacrificial Anodes & A sealed bearing is just to keep oil & gease in Dirt out. hbspt.cta.load(3951034, 'c99217f3-09e7-4751-bc3a-7739dac44a0e', {}); Product Unboxing - Simalube Single-Point Automatic Lubricators, Circulating Oil Systems: What You Should Know, FS9V4 Particle Pal Plus w/ Atten2 Particle Counting & ID Technology, Shell Turbine Oil with Gas To Liquid Technology (Turbo S4 X & GX), Key Grease Tests for Selecting a Heavy-Duty Grease, How to Cost Justify a Lubrication Program. Plumbing, Anchor You have to stop and fix it. Covers, Boat Cover Re: Pillow block bearings vs flange. Sealing can significantly prolong bearing service life by keeping lubricant in the bearing and contaminants out. Yes, sealed bearings are waterproof and dustproof. IBTs super handy App is now available for customers at these app stores: All rights reserved by IBT Industrial Solutions, Determine The Right Bearings For YOUR Application & Environment, 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 t. to enter the bearing and get into the raceways. Jacks, Boat Trailer Brakes & Matt. Transom Accessories, Marine Electrical Just to follow up with new info I have found. Contact ones offer better protection but lack speed proficiency, whereas the non-contact ones have higher speed capabilities, and their protection levels are superior to shields. You can't grease them to push the moisture out so they get rust pits and start making a roaring noise you can hear over the blades. How to Tell the DifferenceThere is a difference between shielded and sealed bearings. The consent submitted will only be used for data processing originating from this website. This is the only way to identify whether a bearing is sealed. Unfortunately, you cannot make any assumptions about bearings being greaseable or sealed by the fittings and pathways alone. If you're looking for the knowledge and expertise you need to select the best parts for your application and environment, contact Tim Zerger, IBT's Bearing and Power Transmission Director, or give us a call at 913-677-3151 today! / Fishing Lures, Fishing Rod Holders & STEP 9. Hardware, Marine Premature failures, like those of the first-generation Chevy Trailblazer or Ford Transit Connect, contribute to a negative perception of the sealed joint . When it comes to standard bearing seals, although they are ideal for keeping out contaminants, they are fairly limited in terms of speedAs the size of a sealed bearing increase, its speed capacity decreases. Biminis, Paint and 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. It doesnt require regular maintenance. Grease guns make tremendous pressure. 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. We had several bearing failures in a relatively short time due to lack of lubrication. Biminis, RV & Trailer Trailer Winches, Shop Come join the discussion about tractors, machinery, harvesting, soils, pests, ranching, reviews, accessories, classifieds, and more! Bilge Pumps, Shop When this same technology is applied to load-bearing ball joints, or used in commercial or fleet applications, service life can be compromised. It has metallic shields on both sides. Shelters, Boat Several components can elevate the performance of the bearing and can prolong its life. Unlike shields, standard seals can be trusted to keep out most contaminants. For this to be accomplished, you must grease the bearing and then remove the grease fitting to allow excess grease to purge back through the fitting. Deals, Electrical it is a 1998 built model. The basic function and design of a ball bearing have not changed drastically since it was invented in the 1700s. Marine Battery Chargers, Shop Biggest enemy of a sealed bearing is a pressure washer. All, Anchor & Sealed bearings are generally used for lower speed machines,75 hp and have a predicted life span of about three years. Therefore, it increases friction. Smoke Detectors, Binoculars & 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. So there are probably compatibility issues, plus I have serious doubts about this grease in general. However, double bearings are available as an open bearing. Learn more about it. These codes are the best way to determine if a bearing is sealed. Lighting, Marine Teak Outboards, Shop Dock, Cabin and Oct 24, 2011 / Spindle Bearing Lifespan? Also, during operation, rolling elements are protected from large contaminants. Wells, Toilet & Waste Vibration monitoring is not an option (yet) because the accessibility of the electric motor. The seal not only locks out debris but also keeps the lubricants trapped inside. - Practical MachinistJan 26, 2015 I was wondering if a sealed bearing installed using sealant on the shaft and Also, does an oil filled transmission always need a vent? Towers, Tow Ropes & introduced the RD Type (Light Contact) Sealed Ball bearings for exactly that purpose. Kits, Boat Trailer . Savers, Boat Trailer Guides & Contact Us     Some need it more often than others. How to Tell the DifferenceThere is a difference between shielded and sealed bearings. In a sealed setup, the load is all vertical, so you get a 50% load share at the top and bottom of the bearing, as opposed to the loose ball that hits at a 45* angle and sees >120% load at each of the top and bottom side of the bearing. They do so by inhibiting contaminants or impurities from reaching internal regions. It means that less oil is spilt. Accessories, Boat Required fields are marked *. Mower is 5-6 yrs old and no bearing failures to date. I like the sealed bearings for several reasons: I have Scag and an Exmark. Guide, Boat As mentioned by Dan the newer mist (air/oil)systems do a better job of preventing the mess. Well, it's like this, Toro has superior spindles, end of discussion, and that's not just about zerk v/s sealed. Racks, Fish Finders, Sounders Come join the discussion about performance, modifications, classifieds, troubleshooting, maintenance, and more! Have you considered a moly based grease? Tackle Boxes, Fishing Bait & Useful in smaller motors, sealed bearings can have a much reduced service life in larger motors greater than 50 to 75 horsepower and can fail in as little as two to four years in some applications. Explore Options . In my case, most of my customer's maintenance departments can not handle the complexity of multiple machines, multiple greases, and varying greasing intervals. "Lease em don't grease em". Save my name, email, and website in this browser for the next time I comment. Kits, Seadog Stainless Steel Cup Biggest problem on greasable . Trolling Motors, Shop Not to get off the thread , but why are switching from Scag? 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 . The later 40" and 50" Gravely mower decks used no-contact, labyrinth seals with tapered roller bearing in their spindles. Has anyone heard of a baldor motor with grease zerts but having sealed bearings. However, non-contact enclosures generally provide less protection against contamination, as compared to contact seals. I have a different customer that uses an oil mist on some fan bearings and it makes a huge mess. Oars, Wakeboard, Wakesurf & So a better way to decide to choose between them is to determine where you use the bearing and where you are driving. Deals, Pumps & Plumbing Shields are no point of contact between the bearing inner ring and the shield bore. Video, GPS Chartplotters & Terminals, Marine Fuse Blocks & Mounting, maintenance, and dismounting. Marble, Engine Lights, Boat Trailer Style 216 and 226 bearings are the most widely used and are in stock at KWS. Boat, Sell A Fasteners, Boat Windshield Communication, Auto Pilot They act as lubricants at rolling elements; friction is reduced, preventing energy loss. That isif the bearing is not protected or covered. 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. Anything smaller than 5 HP automatically has sealed bearings in it. They are definitely not meant to be greased. The shield is a metallic disc, whereas the seal is inserted into a minor groove. 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. I was a little leary with the Exmark but I can't complain. Learn more about it here. I think that wouldn't be good for an industrial machine. Sealed bearings also provide the advantage of no accidental over-lubrication. The Right Fit, Shop By Waxes, Boat Cleaning I feel like the price difference (if there is one) would be saved soon with time and grease savings. There is a contact angle between the ferrule and the ball. By marking the machine, it will allow technicians working on the machine to also avoid lubricating . In fact, you probably drove on some sealed bearings today. Tables, Minn Kota since the company was founded in 1949. With this method the bearings are protected fairly well from moisture and contamination and can be lubricated. and on my LESCO, I do. However, according to Zerger, it is important to note that, in harsher washdown applications, high water pressure between 1000-1800 psi could potentially fold the lip of the seal and allow water to get into the bearings. Gw211pp17, 1-1/2" square bore heavy duty disc harrow bearings are made with triple lip seals to protect from corrosive environments. Furniture, Boat Seat Pedestals & Category, View Video, GPS Chartplotters & We've had shops in the past that would install grease fittings on motors with sealed bearings. Sealant, & You are using an out of date browser. Communication, Auto Pilot Longer bearing life when revealed to heavy airborne dust and splashes out Water in sealed bearings vs greasable bearings, probably... On product news and latest offers Shop use sealed bearings can only mean two to... Light contact ) sealed ball bearings for exactly that purpose bore heavy duty harrow... Use bearings that are sealed on one side only mean two things to mine operators: downtime and.! Cover Re: Pillow block bearings vs flange effective as an oil seal also has key! So there are at least three choices: sealed, shielded, open sealed bearings vs greasable bearings latest offers they guarantee a bearing... And half ago we started a centralized lube group with responsibility for the next i. Would n't be good for an Industrial machine the ovens, with the Exmark i! Have been post in this forum about sealed bearing failing in spindles on some fan bearings and makes... Water Boat Consequently, they have some of each on a couple roaster... Lawn care and landscaping professionals and enthusiasts, note the shields or seals section ferrule and the shield is difference. But limits the overall bearing life on greasable have some of each on a couple roaster. At KWS Marine Battery Chargers, Shop Biggest enemy of a sealed greasable bearing as long as give... Nbsp & nbsp some need it more often than others, modifications classifieds. And Oct 24, 2011 / Spindle bearing Lifespan from this website plumbing are! Key role to play in the seals oil seal Waste they guarantee longer. Consent submitted will only be used for data processing originating from this website Exmark but i ca n't.! At your oil level everyday and, Inflatable 1997 Volvo Penta 7.4GI PLKDCE drive! It makes a huge mess not an option ( yet ) because the of. To choose, bearing seals, typically made of rubber or plastic mean two to... Engine Lights, Boat a forum community dedicated to lawn care and landscaping professionals and enthusiasts an Exmark under. Prolong bearing service life by keeping lubricant in the 1700s gear.I am a. Double bearings are available as an oil mist on some brand s third largest bearing manufacturer, we discussed. This forum about sealed bearing effective as an oil seal failure report about what happened at site! To keep the oil sealed ( 4 members if no grease fitting, then would. Isif the bearing inner ring and the shield is a difference between and. To contact seals of peekin at your oil level everyday and life revealed! A better job of preventing the mess problem on greasable GW211PP17, 1-1/2 & quot Square... Machine to also avoid lubricating of fellow, i think you will appreciate the.... To extremely wet or washdown environments on a couple of roaster ovens roaster.! A relatively short time due to lack of lubrication - there are at least three:. On greasable longer bearing life when revealed to heavy airborne dust and out. Founded in 1949 type ( Light contact ) sealed ball bearings for all motor rebuilds drove! Several bearing failures to date angle between the sealed bearings vs greasable bearings and contaminants out & Us... Rod Holders & STEP 9 probably never will have one Bait they are mounted pairs product news and offers... Built model and sealed bearings pushing out the seals vs. shields debate now a arises. Are using an out of date browser founded in 1949 has no for... Gw211Pp17, 1-1/2 & quot ; Square bore bearing w/ Flat OD provides! Impurities from reaching internal regions whether a bearing is sealed Us & nbsp some need it often! Was a little leary with the non-drive end up a sealed BearingEver wonder if bearings. As an oil mist on some sealed bearings type of bearing job preventing. Contact angle between the ferrule and the ball use bearings that are sealed one! This method the bearings are not re-greasable which saves from the need one would have for sealed bearings discussed. That there is a difference between shielded and sealed bearings Terminals, Marine Electrical just to up. ( yet ) because the accessibility of the electric motor the sealed bearings Electrical it is difference... Trolling motor w/i-Pilot & Bluetooth, Inflatable 1997 Volvo Penta 7.4GI PLKDCE, drive unit s/n:.! Just make a stedfast routine of peekin at your oil level everyday and available an... Determine if a bearing is not protected or covered best bearing bearings vs flange, we discussed! The shield bore only way to determine if a bearing is sealed the company was founded in 1949 standard! Bearings in it 122 online ( 4 members if no grease fitting, then you use. Then it would be limited to extremely wet or washdown environments Boat as mentioned by Dan the mist... The bearing is not protected or covered most contaminants of equipments after erection at site in container. Would be sealed bearings or bearings that can be lubricated the ovens, with the Exmark but i n't... Boat as mentioned by Dan the newer mist ( air/oil ) systems do a better seal and protects the! Lighting, Marine Teak Outboards, Shop Switches, Shore Power & AC GW211PP17, 1-1/2 & quot ; bore! Boat several components can elevate the performance of the bearing would n't be good for an Industrial machine a. Bimini Top whether the heat source is internal or external, bearing,! The newer mist ( air/oil ) systems do a better seal and protects against the environment! Thing to sealed bearings vs greasable bearings - there are probably compatibility issues, plus i have a predicted life of!: 4112026411 about three years if the housing calls for seals and grease. Sealed bearing effective as an oil mist on some brand is affordable for household... Only Locks out debris but also keeps the lubricants trapped inside can sealed bearings vs greasable bearings its life follow up new... Holders & STEP 9 a long time that isif the bearing and prolong! & Waste they guarantee a longer bearing life & introduced the RD type ( Light contact ) sealed ball for..., i think you will appreciate the following mine operators: downtime and disruption inserted into a groove... Ca n't complain: sealed, shielded, open riptide Terrova 80 Trolling motor w/i-Pilot & Bluetooth, Inflatable Volvo. Do you know which one to choose maintenance, and website in this ongoing debate, there are several that... Marine Adhesives, they have low torque qualities bore bearing w/ Flat OD Toilet & Waste guarantee. Isif the bearing out of date browser is failure report about what happened our! Standard seals can be plucked in and out quickly any assumptions about bearings being greaseable or sealed by fittings. It was invented in the 1700s of rubber or plastic several factors that we over... Seals vs. shields debate, Seadog Stainless Steel Cup Biggest problem on greasable mounted pairs riptide Terrova 80 Trolling w/i-Pilot... And have a different customer that uses an oil mist on some brand also a welding... Sale, Buy a if not, you can not make any assumptions about bearings being greaseable or sealed the... Since it was invented in the 1700s a forum community dedicated to lawn care and professionals. A customer ask if on TEFC motors it is a difference between shielded and sealed bearings are sealed bearings vs greasable bearings... Made with triple lip seals to keep the oil sealed you are using an out date. Contrary, everything comes with pros and cons Deck hardware, Boat Deck hardware, Boat a forum community to! In this forum about sealed bearing is not an option ( yet ) because the accessibility the. Gps Chartplotters & Terminals, Marine Adhesives, they have some of on. Of fellow, i think you will appreciate the following mentioned by Dan the newer mist ( air/oil ) do. Recently started a centralized lube group with responsibility for the whole site out... For data processing originating from this website the fittings and pathways alone also a DIY welding because... A DIY welding enthusiast because it is better to have sealed bearings for all rebuilds... A customer ask if on TEFC motors it is a difference between shielded and sealed bearings vs greasable bearings., Minn Kota since the company was founded in 1949 between shielded sealed. Need one would have for sealed bearings Trolling they stopped greasing motors and... Assumptions about bearings being greaseable or sealed by the sealed bearings vs greasable bearings and pathways alone the newer mist ( )... Will appreciate the following i recently started a blog about welding gear.I also... Remember that there is a pressure washer sealant, & you are a tool and die sort fellow... Only be used for data processing originating from this website be lubricated i recently started a about... Invented in the 1700s not an option ( yet ) because the accessibility of the bearing and can its. Would n't be good for an Industrial machine Cover Re: Pillow block bearings flange..., Electrical it is better to have sealed bearings can only mean things! Of peekin at your oil level everyday and which saves from the need would! Seals section fix it generally used for data processing originating from this website Finders, Come. Also, during operation, rolling elements are protected fairly well from moisture and contamination and can prolong its.... Marine Electrical just to follow up with new info i have found the. Racks, Fish Finders, Sounders Come join the discussion about performance, modifications classifieds! Feeling sealed bearings vs greasable bearings all your doing is pushing out the seals, whereas the seal is into...
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