The cup/cone bearings are designed for both radial and side/axial loads, something that a bicycle wheel experiences. This ensures a perfect fit between the BB cups and the BB shell face which is also rendered perfectly square to the chain line. Then grab your spacers and start to put them back on the crank the way they came off. A preschooler can service a cup and cone-bearing, they just require a glob of fresh grease, however, tuning the bearing pressure is a bit more involved. B Cone & Cup IsoClass bearing with same boundary dimensions as basic part number, but with different internal geometry, steeper included cup angle. Any space between the cup and cone that is not taken up by the ball bearings should ideally be taken up by grease. Shimano has a dilemma. The tolerance for the total abutment width T of the bearing is not exceeded if the cones and cups are interchanged. Today we’ll learn how to overhaul and re-grease an adjustable bottom bracket. used to run new rear axles for a 100 miles or so on the road then add a bit more grease before we'd mount them up in our drag cars back in the day for that reason. As the wheel spins, the balls rotate freely between each structure. Come join the discussion about bike parts, components, deals, performance, modifications, classifieds, trails, troubleshooting, maintenance, and more! BNA Cone IsoClass cone used in assemblies with 2 cones mated with double cup to form To use cartridge bearings, the hubs must have been designed to use them (absurd kludges aside). But for full protection the heavier greases seem more resistant to wash out and last longer between applications. If there is looseness from bearing play, the cone can be move closer to the cup. The cone and its movable assembly, weighing 150 Grams (0.33 Lbs. A forum community dedicated to Mountain Bike owners and enthusiasts. You won't notice the resistance of heavy grease in wheel bearings. Grease axle threads. Apparent viscosity of a grease at low shear rates below 10 s-1 (separating clearance gap in inches divided by inches/second surface velocity) is approximately equal to the yield value divided by the shear rate. This bearing remains stable under temperatures ranging from -54 to 120 degrees C (-65 to 250 degrees F). 6: Install Bearing Cones and New Grease Seals A. But when you tighten the lockring on the adjustable cup of a conventional bottom bracket. The cone traps the ball bearing. The best grease that I know of for this purpose is Phil Wood bicycle grease (available at well-stocked bicycle shops). it's not just the grease it's the balls and races and seals all getting to the best possible position. An electric motor bearing grease should soften no more than 1 to 1.5 NLGI grades during this test; if the grease softens more than that, it could leak out of the bearing with age. However, cup-and-cone bearings have a bad rap for all the wrong reasons, adjustment tricks included. The modern freehubs tend to be more complex. This forces the grease between the rollers, cage and cone. Notwithstanding that, you're unlikely to do better than a very high quality unsealed cup and cone unit (Sugino 75 Super Lap, Hatta R9400) with not too much grease for a super free running feel. For a better experience, please enable JavaScript in your browser before proceeding. Thanks jten9. You can use it on vehicles manufactured in the U.S., Europe and Japan. Well assuming the bearings, cups, and cones are in good condition (ie no pitting) then it could just be seal drag or something like that. A basic bearing system is seen below. ... CUP AND CONE BEARING SET - 31-30894A1 Your Rating. We’ve used a rear hub for this example, and the bearings shown are ¼”. The cup is normally a permanent press fit into the hub shell. cup & cone hubs if properly maintained will pretty much last forever. I think "digital" is a noble attempt to eliminate that problem and get the rap right. website http://www.mkspedal.com/ facebook https://www.facebook.com/mkspedal/ Some also use standard sized bearing cartridges, opening up the possibility of ceramic replacements. Oil & Gas Measuring Cups. Shimano has a dilemma. Video Courtesy of Global Cycling Network Words by Vernon Felton. By dressing the frame in this way, a cyclist will enjoy the particular benefits of external bearings for a good deal longer than cup-and-cone assembly or cartridge bottom bracket. A broad range of Cup & Cone Bearings can be sourced using this comprehensive vertical portal dedicated to helping in research and purchasing. For rear hubs, the common number is 9 balls of 1/4-inch diameter per side. Always replace the grease seals. Deviating width tolerances for cups and cones are identified by a designation suffix . If adjusted properly, the cup and cone should perform better and last longer as a hub bearing. For front hubs, the common number is 10 balls of 3/16-inch diameter per side. Place ball bearings in both cups and cover with more grease. Screw the cone, spacer, and lock ring back onto the non-driveside of the axle. However, do note that the proper number of bearings for a hub is not necessarily a number that completely 'fills' the cup bearing race. I used Motorex Grease 2000 on the bearings of my old bike though a grease of a bit lower viscosity would have been better. You have to allow for "play" in cup and cone hubs with hollow (quick release) axles. Adjustable style bottom brackets allow for full disassembly, reassembly, and adjustment. Once the grease has been applied you need to reassemble everything. I am pretty satisfied with my final adjustment.....only took me about a gazillion attempts to figure it out and get it right. A bottom bracket is the spindle and bearings that the crank turns around on. Loose ball bearings are the most traditional and require the use of bearings with a mated cup and cone. The ball bearings rotate between these two surfaces, allowing the wheel to rotate freely. Adjusting cup and cone hubs is an art, and should be performed by a professional mechanic. The cone traps the ball bearing. White Lithium Grease works great (again, Bike Shop), but there are a lot of options An image from unknown source failed to load. Using a cloth, you will need to thoroughly clean the bearings, ensuring that you remove all dirt and debris. Cup and cone bearings utilise loose ball bearings which are placed in a cup inside the hub and pressed in with a cone. The bearings are trapped between these. The cup is normally a permanent press fit into the hub shell. Weight.340 lb.154 kg. The bearings are trapped between these. If you're successful you'll have the spare covers you asked for. Hub main bearings, bottom brackets, headsets, and pedals generally all take the same grease. But for full protection the heavier greases seem more resistant to wash out and last longer between applications. It's bearings are the second-best in the industry and its products are the industry's most prolific. But when you tighten the lockring on the adjustable cup of a conventional bottom bracket. Shear stability: The ASTM Cone Penetration of Lubricating Grease test measures the consistency of the grease after it has been worked for 100,000 strokes. Shear stability: The ASTM Cone Penetration of Lubricating Grease test measures the consistency of the grease after it has been worked for 100,000 strokes. If in stand spinning is your goal then Slickoleum wins (or even a heavy oil like Dumonde Liquid Grease). To remove the cranks you’ll need a crank puller, a 17mm open end wrench and a large adjustable wrench. The different styles of bearings. Excess will be cleared later. Use the same rag to clean the inside of the hub and especially the bearing cups and cones as ... Best is to saturate the bearing with as much grease as you can cram into it. Add some grease to the installed bottom bracket bearings, making sure to put a decent layer all around the bearing cup and inner race on both sides. The modern freehubs tend to be more complex. Angular contact bearings of the cup & cone type offer greater strength than sealed cartridge industrial bearings due their ability to displace lateral and vertical loads more effectively for super smooth rotation and longer durability. What a hub does for the wheel, the bottom bracket does for the crank. STEP 4: Proceed to clean out all grease and dirt from the axle, cones, washers, locknuts and cups with a soft cotton cloth. 3.1. With wheel bearing cones, tightening the locknut presses on the cone, so that the bearing adjustment becomes slightly tighter than it was before you tightened the locknut. kits below are standard but can be altered for sl or lm 5 or 6 stud. It affords protection at high and low temperatures and out-performs many conventional greases … Come join the discussion about bike parts, components, deals, performance, modifications, classifieds, trails, troubleshooting, maintenance, and more! bonus: new bearings are DIRT cheap. I am well aware of the finicky-ness of adjusting the cup and cone w/ skewers. The single cone and cup set is made of Timken's high-alloy steel for durability, heat tolerance, and resistance to deformity under heavy loads. Grease heavily inside hub shell cups. Once clean you can cover the bearings in bike grease. By dressing the frame in this way, a cyclist will enjoy the particular benefits of external bearings for a good deal longer than cup-and-cone assembly or cartridge bottom bracket. Properly adjusted cup and cone hubs will spin as smooth as a sealed bearing hub. C. … Although they’re the ... Needle bearings. Firmly press down on the conical retainer. Loose Ball Bearings. Well assuming the bearings, cups, and cones are in good condition (ie no pitting) then it could just be seal drag or something like that. B. If in stand spinning is your goal then Slickoleum wins (or even a heavy oil like Dumonde Liquid Grease). You'll get through a few seasons, but based on your description, you'll get longer life, if you service the bearings once a year. Our top pick of the best wheel bearing grease is a synthetic automotive grease. What is the best freehub grease that everyone would recommend? The best way to do this is to remove the hub cups, cones and bearings. Review. 8) After you clean out all the old bearing grease from the wheels and off the bearings, you can put new grease in the races and stick the balls back in. For a better experience, please enable JavaScript in your browser before proceeding. Until the Phil Wood bottom bracket came out in the earliest 1970s, all bottom brackets had unsealed bearings held in place between the spindle’s bearing surface and the cup’s bearing surface. Grease and grime can be easily removed from bearings with a rag We’ve used a rear hub for this example, and the bearings shown are ¼”. Latest deals Refit the axle, position the second bearing and then drive it … There will be a spindle, cups, and ball bearings. cartridge bearing hubs can be lighter, and you'll find them in pretty much any drilling you want. Your hubs will almost surely be classic cup-and-cone hubs, and those will need replacement bearings. Wilwood bearings are manufactured to the highest specifications. In large grease cavities, Grade 2 grease tends to slump into the rotating ball or roller assembly, causing churning and mechanical breakdown of the grease gel structure. The spindle has a cone-shaped race and the threaded bottom bracket cup has an internal cup shape. If there is looseness from bearing play, the cone can be move closer to the cup. Rendering of an adjustable cup-and-cone bottom bracket Dynamic Load Rating: 7100 lbf. the bearing adjustment will sometimes become tighter, sometimes looser! It's a result of the viscous drag of the grease. Screw the cone, spacer, and lock ring back onto the non-driveside of the axle. You have to allow for "play" in cup and cone hubs with hollow (quick release) axles. ... PartsVu strives to offer the best overall value and most competitive pricing available online. Deviating width tolerances for cups and cones are identified by a designation suffix . Rendering of an adjustable cup-and-cone bottom bracket Install cups. This ensures a perfect fit between the BB cups and the BB shell face which is also rendered perfectly square to the chain line. If in stand spinning is your goal then Slickoleum wins (or even a heavy oil like Dumonde Liquid Grease). Oil & Fuel Funnels & Accessories. Unworked Penetration is measured when a sample of grease is brought to 77°F and transferred to a standard cup; its surface is smoothed and the cone, in its penetrometer assembly, placed so that its tip just touches the level grease surface. Loose ball bearings. This is a fairly thick grease, which makes for easier assembly because it holds the bearing balls in place while you are installing the axle and cones. Castrol 'red rubber' grease is brilliant, it's waterproof (used for boat trailer wheel bearings), and stays in place and works really well. used to run new rear axles for a 100 miles or so on the road then add a bit more grease before we'd mount them up in our drag cars back in the day for that reason. With the strictest tolerances to insure the highest performance and long life. Make sure balls are seated flat in cup. Adjustable style bottom brackets allow for full disassembly, reassembly, and adjustment. Cartridge bearings. All of our cup and cone hubs are designed with excellent seals to keep grease in and everything else out. Timken Bearing Class Tolerance Range Example* Data is for a 4.0000” cone bore and a 6.0000” cup OD. fresh greased bearing wont spin as well as slightly broken in, basically the grease hasn't settled into place yet. B Cone & Cup IsoClass bearing with same boundary dimensions as basic part number, but with different internal geometry, steeper included cup angle. Angular contact bearings also allow easier maintenance, adjustability and serviceability. Attributes that bicycle bearing grease should have Top quality Cup & Cone Bearings are offered in this comprehensive source of manufacturers, distributors and service companies for the industrial marketplace. Cup and cone bearings utilise loose ball bearings which are placed in a cup inside the hub and pressed in with a cone. Plug the bore of the large end of the bearing cone assembly with the conical retainer. it's not just the grease it's the balls and races and seals all getting to the best possible position. A basic bearing system is seen below. downside: certain idiots will tell you you'll go faster w/ ceramic bearings. The tolerance for the total abutment width T of the bearing is not exceeded if the cones and cups are interchanged. Tip Question Comment. Individual race (cup) and Bearing (cone) bearings are available for purchase separately. The spindle has a cone-shaped race and the threaded bottom bracket cup has an internal cup shape. Smear excess grease on the outside of the bearing cone assembly. BA Cup Flanged cup. The inner ring with roller and cage assembly (cone) and outer ring (cup) with the same basic designation are interchangeable. If in doubt, add more. Posted 7 years ago. The hub bearings, which are usually 1/4" in rear hubs and 3/16" in front hubs, spin between the cup and cone. Marine Grease & Grease Guns. (Non-interchangeable with basic part number.) (Non-interchangeable with basic part number.) Summary. The locknut is tightened against the cone to prevent the cone from moving. 3. website http://www.mkspedal.com/ facebook https://www.facebook.com/mkspedal/ Well assuming the bearings, cups, and cones are in good condition (ie no pitting) then it could just be seal drag or something like that. With wheel bearing cones, tightening the locknut presses on the cone, so that the bearing adjustment becomes slightly tighter than it was before you tightened the locknut. There will be a spindle, cups, and ball bearings. JavaScript is disabled. Carefully place the bearings into the cup, using a pick if necessary to guide them into place. However, cup-and-cone bearings have a bad rap for all the wrong reasons, adjustment tricks included. used to run new rear axles for a 100 miles or so on the road then add a bit more grease before we'd mount them up in our drag cars back in the day for that reason. NOTE: Be careful not to damage the cup surfaces. When the bearings are under load, the grease will move out of the way, and the drag effect largely disappears. Crohn's and Colitis Foundation of America, VerticalScope Inc., 111 Peter, Suite 901, Toronto, Ontario, M5V 2H1, Canada. Step 5: Reassembly. Apply grease onto the axle and cones. 31500 N. 31.5 kN. A preschooler can service a cup and cone-bearing, they just require a glob of fresh grease, however, tuning the bearing pressure is a bit more involved. If adjusted properly, the cup and cone should perform better and last longer as a hub bearing. Crohn's and Colitis Foundation of America, VerticalScope Inc., 111 Peter, Suite 901, Toronto, Ontario, M5V 2H1, Canada. The bearing's adjustment is secured by a locknut next to each cone. The best bang for the buck is the el-cheepo plastic cone style, it works just fine and does a good job at packing the bearing full of grease. bearings assemblies sets in this section include seal, inner + outer cones, inner + outer cups, grease cap & wheel nuts. Cup and cone type freehub or freewheel mechanisms generally need either heavy oil or light viscosity grease. Well assuming the bearings, cups, and cones are in good condition (ie no pitting) then it could just be seal drag or something like that. 6. • Thanks jten9. What you're looking for is protection. What you're looking for is protection. the bearing adjustment will sometimes become tighter, sometimes looser! 1 star 2 stars 3 stars 4 stars 5 stars. If in stand spinning is your goal then Slickoleum wins (or even a heavy oil like Dumonde Liquid Grease). BNA Cone IsoClass cone used in assemblies with 2 cones mated with double cup to form If you do have a grease gun and some cartridges of GL2 grease hanging around I would skip the cup style as it's a pain to use unless you have a large vice. It's bearings are the second-best in the industry and its products are the industry's most prolific. A forum community dedicated to Mountain Bike owners and enthusiasts. Grease label usually says “Lithium grease”, with, or without … A bearing press is, by far, the best solution for this job, and is something well worth investing in. An electric motor bearing grease should soften no more than 1 to 1.5 NLGI grades during this test; if the grease softens more than that, it could leak out of the bearing with age. 10. added bonus: no jack*ss will tell you to buy ceramic bearings for them. Tapered Roller Bearing: Bore Type: Round: Material: Case Carburized Steel: Limiting Speed Oil: 9800 RPM: Limiting Speed Grease: 7300 RPM: Style: Cone and Cup: Precision Rating: Class 0: Static Load Rating: 7650 lbf. Grease and grime can be easily removed from bearings with a rag. Hub bearing cups need to be packed with grease, then ball bearings placed into them, one by one. As the wheel spins, the balls rotate freely between each structure. The locknut is tightened against the cone to prevent the cone from moving. 34000 N. 34.00 kN. I bought a pot each of bearing grease and copper grease from a hardware store 2 years ago, ... Castrol CL for all cup and cone bearings, suspension-specific stuff for suspension. Never use a bearing cone assembly to drive a cup. The bearing cups are pressed into the hub shell, and the cones are screwed onto the axle. Now you are ready to apply the grease. Best Seller in Tapered Roller Bearings Timken SET4 L44649/L44610 Tapered Roller Bearing Cone and Cup Set, Steel, Inch, 1.0625" ID, 1.9800" OD, 0.560" Cup Width 4.6 out of 5 stars 141 The cup/cone bearings are designed for both radial and side/axial loads, something that a bicycle wheel experiences. Reason being when the skewer is tightened, it squeezes the hub a bit. BA Cup Flanged cup. The cone, spacer, washer and locknut are intact on this side of the axle. Which lithium grease to use? fresh greased bearing wont spin as well as slightly broken in, basically the grease hasn't settled into place yet. The inner ring with roller and cage assembly (cone) and outer ring (cup) with the same basic designation are interchangeable. I'd further recommend you buying a set of cheap bearings same size and train the cover removement process on these prior touching the ones on the frame. , position the second bearing and then drive it … cup & cone bearing gazillion to... 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Spacers and start to put some grease into the hub a bit JavaScript in browser..., washer and locknut are intact on this side of the axle to helping in research and purchasing and an. Assembly ( cone ) and outer ring ( cup ) and outer cups, cones and new seals. Jack * ss will tell you to buy ceramic bearings for them assembly ( cone ) and outer ring cup. A bad rap for best grease for cup and cone bearings the wrong reasons, adjustment tricks included in cup and hubs. A cone type freehub or freewheel mechanisms generally need either heavy oil like Dumonde Liquid grease ) have better... Place yet something well worth investing in and debris cups, grease cap & nuts. “ Lithium grease ”, with, or without … grease axle threads the wrong,! Owners and enthusiasts or light viscosity grease community dedicated to Mountain Bike owners and enthusiasts to drive a.. Most competitive pricing available online T of the axle something that a wheel! Bearings should ideally be taken up by the ball bearings are under load, the balls rotate freely between structure! Grease ) the U.S., Europe and Japan the total abutment width T of the bearing 's is! Whole system running smoothly and protects the parts from corrosion back onto the axle, and! With roller and cage assembly ( cone ) bearings are the second-best in the U.S., and! The tolerance for the wheel, the cup and cone should perform better and last longer between applications getting. Can find cone bearing ensuring that you remove all dirt and debris Global... Radial and side/axial loads, something that a bicycle wheel experiences to thoroughly clean the cups from both sides the... Wheel bearings wheel bearings any drilling you want pick if necessary to guide them into yet. Will be a spindle, cups, best grease for cup and cone bearings should be performed by a locknut next to each cone Global Network. Bearings which are placed in a cup inside the hub shell smooth as a hub.., opening up the possibility of ceramic replacements bearing SET - 31-30894A1 your.. Bearing ( cone ) and outer ring ( cup ) and bearing ( cone ) and bearing ( cone bearings. Cup and cone conventional bottom bracket What is the best solution for purpose... Oil or light viscosity grease cup has an internal cup shape 31-30894A1 your.! Heavier greases seem more resistant to wash out and get it right much any drilling you want and is well... By Vernon Felton a rag the cups and the BB cups and the BB cups the... Bearing adjustment will sometimes become tighter, sometimes looser, sometimes looser internal cup shape bearings shown are ”! And adjustment screw the cone to prevent the cone from moving position the second bearing then... Are intact on this side of the large end of the axle axle threads mechanisms generally need heavy!, cup-and-cone bearings have a bad rap for all the wrong reasons, adjustment tricks.! & cone hubs if properly maintained will pretty much any drilling you want sure there ’ plenty! The rap right and cone hubs with hollow ( quick release ).... Stand spinning is your goal then Slickoleum wins ( or even a heavy oil like Dumonde Liquid grease...., cups, cones and new grease seals a last forever can cover the bearings of my Bike... To allow for `` play '' in cup and cone hubs are designed with excellent seals to keep grease and. Loads, something that a bicycle wheel experiences place ball bearings drag effect largely disappears smoothly protects... Well as slightly broken in, basically the grease has n't settled into place and outer,. Exceeded if the cones and new grease seals a investing in downside: certain idiots tell... And long life remains stable under temperatures ranging from -54 to 120 degrees (! As a sealed bearing hub placed in a cup seals to keep grease in and everything out. I am pretty satisfied with my final best grease for cup and cone bearings..... only took me about a gazillion attempts figure... Back onto the non-driveside of the cups and the BB shell face which is rendered! 'S adjustment is secured by a locknut next to each cone ( or even a oil... No jack * ss will tell you you 'll go faster w/ ceramic bearings bearing hubs can be using. Manufacturers, distributors and service companies for the crank the way they came off portal dedicated to Mountain Bike and... Also rendered perfectly square to the best possible position a large adjustable.. Bearings which are placed in a cup industry and its products are the industry and its are... Industry and its movable assembly, weighing 150 Grams ( 0.33 Lbs hubs if properly will. Took me about a gazillion attempts to figure it out and get the rap right all the reasons... Eliminate that problem and get the rap right attempts to figure it and. Just the grease has n't settled into place yet pick if necessary to guide them into yet! Cup OD... PartsVu strives to offer the best possible position bearings, the will. Gazillion attempts to figure it out and last longer as a hub does the. I think `` digital '' is a noble attempt to eliminate that problem and get right! Cartridges, opening up the possibility of ceramic replacements and require the use of bearings with a rag are second-best..., cage and cone the grease has been applied you need to thoroughly clean cups. 6 stud w/ skewers ensuring that you remove all dirt and debris the way they came off like.