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Best Choice Lokkr 
Lokkr GT2 Idler Pulley (5PCS) 20 Teeth 5mm Bore 6mm Width Timing Pulley Wheel Aluminum for 3D Printer CNC Machine Access ➤High Quality Material: Simple structure, high quality bearings, which is fine workmanship, smooth transmission, preciseCNBTR 
CNBTR Iron Bearing Steel Cable Pulley U-Shape Groove Wheel 12x50x13mm Bearing Idler Pulley Load-Bearing 512KG for Indust Outer diameter is 50mm, Inner diameter is 12mm, Groove Width: 10MM ,Groove depth: 7.5MM , Load Bearing is 512kg.SHANOER 
50x13mm Titanium U Shape Iron Bearing Steel Cable Wheel Bearing Idler Pulley 1.Mainly made of Iron, the middile bearing is made of bearing steel.EMSea 
EMSea 4Pcs GT2 Smooth Idler Pulley 20 Teeth 5mm Bore 10mm Width Synchronous Belt Wheels with Double Bearings for 3D Prin GT2 toothless idler pulley, 20 teeth, 5mm bore, 10mm wide.Best Value Yinpecly 
Yinpecly 2Pcs Roller Idler Bearing Pulley Sliding Conveyor Wheel Threaded Rod M67 White [Size] - Thickness: 7mm/0.28"; Outer Diameter: 22mm/0.87"; Step : 0.3mm/0.01"uxcell 
uxcell 4pcs 8x32x12mm Roller Idler Bearing Pulley Sliding Guide Conveyor Rolling Wheel for Driving Mechanical Equipment Main Color: white; Material: POM, MetalBQLZR 
BQLZR 50x13mm Titanium Color Iron Bearing Steel Cable Pulley U-Shape Wheel Bearing Idler Pulley Load-Bearing 512KG for G Mainly made of Iron, the middile bearing is made of bearing steel.MOTO1988 Starter Clutch+One Way Bearing+Gear Idler Kit For YAMAHA 1987-2014 Raptor Warrior Big Bear Moto 4 350 YFM350 1994-1998 K Compatible Models:For Yamaha Big Bear 350 1990-1998 Kodiak 400 1994-1998 Moto 4 1988-1995 Raptor 350 2005-2013 Warrior 3Aexit Aexit DR30C2L12 (Material handling) M6x12mm Thread 30mm Dia F Type Idler Bearing (54ry859qf259) Pulley 2pcs Main Color: Silver Tone, White; Material: Nylon, Metaluxcell uxcell Chain Idler Sprocket, 12mm Bore 1/2" Pitch 13 Tooth Tensioner, Black Oxide Finish C45 Carbon Steel with Insert Si Specifications: Number of Teeth: 13; Bearing Model: 6001Z; Outside Diameter: 58mm / 2.28-inch; Bump Width: 3.5mm / 0.14-BQLZR BQLZR 73x10mm Silver Iron Bearing Steel Cable Pulley V-Shape Wheel Bearing Idler Pulley Load-Bearing 215KG for Gym Equip Mainly made of Iron, the middile bearing is made of bearing steel.Gates Gates Engine Idler Pulley 38018 Steel and thermoplastic construction designed to tight manufacturing tolerances for high durability and quality performaTMHCRDS Idler Wheel Kit for Pool Cleaner Includes Two Idler Wheel,Four Bearings,Two Spacer,Two Bolt,Compatible with Polaris 280 Ample Set Components：The package contains 2 idler wheels, 4 bearings, 2 washers, and 2 bolts, providing enough parts forATIE ATIE Pool Cleaner Small Idler Wheel Kit C16 Assembly with Ball Bearing C60, Wheel Screw C55 and Wheel Washer C64 for Pol Package included: 1 idler wheel C16, 2 wheel ball bearing C60, and 1 wheel screw C55 and 1 wheel washer C64.13% Off HARFINGTON HARFINGTON 2pcs 2GT Idler Pulley 3mm Bore 13mm Dia. Aluminum Timing Belt Toothless for 6mm Width Belt 3D Printer CNC Mac Size - Teeth Type: Toothless, Bore: 3mm, Width: 6.5mm, Height: 8.5mm, Outer Diameter: 13mmQitinDasen FULARR 10Pcs Premium Aluminum Alloy Timing Belt Idler Pulley, 20 Teeth 5mm Bore GT2 Idler Pulley, with Dual Ball Bearing ✪ This item is made with high quality aluminum alloy material for rugged and durable use. It is easy to use and installBeck/Arnley Beck Arnley 051-3954 Idler Pulley Bearing Matches OE form, fit, and functionuxcell uxcell 2Pcs Nylon Roller Wheel with Bearings, 1/4" Bore x 1" Width x 2" Length, CNC Guiding Wheel Flat Belt Idler, Nylon What You Get: The package contains 2 nylon roller wheels with 606ZZ bearings insert. Size: bore diameter 1/4" (6mm), outGeneric 11T MTB ycle Rear Derailleur Wheel Ceramic Bearing Pulley CNC Road Bike Roller Idler 4mm 5mm 6mm Titanium 🦄Suitable for all cycling applications, whether it is road, MTB, or tria on, these pulley wheels will optimize your reauxcell uxcell #40 Chain Idler Sprocket, 12mm Bore 1/2" Pitch 13 Tooth Tensioner, Black Oxide Finished C45 Carbon Steel with Ins Specifications: Number of Teeth: 13; Bearing Model: 6001Z; Outside Diameter: 58mm / 2.28-inch; Bump Width: 3.5mm / 0.14-Belleone Belleone Idler Pulley Fits for Husq Craftsman Mower- Idler Pulley Bearing Compatible with Hus AYP Craftsman TS342, TS343 【Replace OEM Part Number】Replaces #532196104, 196104, 197380, 532197380. Please check the size and replacement part numbuxcell uxcell 2Pcs Nylon Roller Wheel with Bearings, 5/8" Bore x 1-7/8" Width x 2" Length, CNC Guiding Wheel Flat Belt Idler, N What You Get: The package contains 2 nylon roller wheels with 6001ZZ bearings insert. Size: bore diameter 5/8" (15mm), ouxcell uxcell 2Pcs Nylon Roller Wheel with Bearings, 1/4" Bore x 1" Width x 1" Length, CNC Guiding Wheel Flat Belt Idler, Nylon What You Get: The package contains 2 nylon roller wheels with 688Z bearings insert. Size: bore diameter 1/4" (6mm), outeHARFINGTON HARFINGTON 5pcs 2GT Idler Pulley 16 Teeth 3mm Bore 13mm Dia. Aluminum Timing Belt for 6mm Width Belt 3D Printer CNC Mach Size - Teeth Type: 16 Teeth, Bore: 3mm, Width: 6.5mm, Height: 8.5mm, Outer Diameter: 13mmLyreh Lyreh Pool Cleaner Wheels Replacement Parts, Includes C16 Pool Cleaner Idler Wheel with Ball Bearing C60 Screw C55 and W Package Contents: You will receive 1 piece of idler, 2 pieces of bearings, 1 piece of washer, 1 piece of screw, and 1 piuxcell uxcell 4Pcs Nylon Roller Wheel with Bearings, 1/4" Bore x 1" Width x 1" Length, CNC Guiding Wheel Flat Belt Idler, Nylon What You Get: The package contains 4 nylon roller wheels with 686Z bearings insert. Size: bore diameter 1/4" (6mm), outeLUXRILIX Upgraded Dryer Repair Kit for SAM-SUNG,with(DC97-16782A) Drum Roller &(DC93-00634A) Idler Pulley&(6602-001655) Dryer Bel Dryer Replacement Kits: 4 x Dc97-16782a dryer drum roller (with upgraded ball bearing) fit for Samsung dryer drum wheelbeienta Pool Cleaner Small Idler Wheel Kit C16 Assembly with Ball Bearing C60, Wheel Screw C55 and Washer C64 for Polaris 280 18 Package included: 1 idler wheel C16, 2 wheel ball bearing C60, and 1 wheel screw C55 and 1 wheel washer C64.uxcell uxcell 2Pcs Nylon Roller Wheel with Bearings, 5/16" Bore x 13/16" Width x 1-1/4" Length, CNC Guiding Wheel Flat Belt Idl What You Get: The package contains 2 nylon roller wheels with 608ZZ bearings insert. Size: bore diameter 5/16" (8mm), ouuxcell uxcell 2Pcs Nylon Roller Wheel with Bearings, 3/8" Bore x 1-1/4" Width x 2" Length, CNC Guiding Wheel Flat Belt Idler, N What You Get: The package contains 2 nylon roller wheels with 6000-2RS bearings insert. Size: bore diameter 3/8" (10mm),NutriEss 2000lbs Trailer Axle Kit Heavy Duty High Load Bearing 4 On 4in Screw Idler Hub Round Bt8 Spindle for Cargo Boat Trailer [VERSATILE APPLICATION] This 2000lbs trailer axle kit is designed for cargo boat trailer spindles ensuring compatibilitySurla Surla Car Belt Tension Pulley 97834-29010 For Hyundai Elantra Tucson Rio Spectra Product Name: Car Belt Tensioner PulleyMellisso Mellisso 20Pcs/Slot POM Plastic Wheel Pulleys Ball Bearings 625ZZ 3D Printer Parts Round Idler Gear Part V 3D Printer Ac Usually installed on rails or tracks.RTREWVJV Compatible for FYSETC Zero G Mercury One.1 Motion Kit with 6M Belt & Bearing Idler - 3D Printer Parts This motion kit brings smooth movement to your 3D printer, with the 6M belt and bearing idler working together to make euxcell uxcell Chain Idler Sprocket, 20mm Bore 3/8" Pitch 25 Tooth Tensioner, Black Oxide Finish C45 Carbon Steel with Insert Si Specifications: Number of Teeth: 25; Bearing Model: 6204ZZ; Outside Diameter: 80mm / 3.15-inch; Bump Width: 7.3mm / 0.29zozoye Puller Tool & One Way Starter Clutch Bearing Idler Gear kit for Yamaha XVS1100 V-Star 1100 1999-2009 UNLOCK SUPERIOR HANDLING FOR YAMAHA: Elevate your off-road adventures with our puller tool and one way starter clutch beDEOIWQNM 1pcs MXL 16T/18T/20T/24T/25T/30 Tooth Idler Timing Pulley Double Side Bearing Synchronous Wheel Width 11mm Bore 3/4/5/6m 1pcs MXL 16T/18T/20T/24T/25T/30 Tooth Idler Timing Pulley Double Side Bearing Synchronous Wheel Width 7/11mm Bore 3/4/5/uxcell uxcell #35 Chain Idler Sprocket, 10mm Bore 3/8" Pitch 15 Tooth Sprocket Tensioner, C45 Carbon Steel 35 Roller Chain Spro Specifications: Number of Teeth: 15; Outside Diameter: 49mm / 1.93-inch; Bump Width: 5mm / 0.2-inch; Total Width: 14mm /Mellisso Mellisso 10Pcs Big Plastic Pulley Wheel with Bearing Idler Pulley Gear for 3D Printer Material: POM+steelGeneric Idler Wheel | with Seals and Bearings Pool Cleaner Idler Wheel Replacement Part,Heavy-Duty Accessories for Maintenance R Sturdy Structure: Made with advanced wear-resistant components, the idler wheel replacement kit significantly extends itBeaquicy 12001541 Dryer Drum Repair Kit & WP33002535 Dryer Drum Belt & WP6-3700340 Idler Pulley by Beaquicy - Replacement for Ken 【DRYER REPAIR KIT DESCRIPTION】: The UPGRADE Dryer Drum Repair Kit includes 2 x 12001541 303373K Dryer Drum Roller Kit, 1Generic Pool Cleaner Replacement Parts, Pool Cleaning Idler Wheel, 8.5x3.35in Seals and Bearings Kit, Heavy Duty Washer Upgrade The Pool Cleaner Idler Wheel with Seals and Bearings is a vital replacement part designed to restore and the performanceLrocaoai 10Pcs Big Plastic Pulley Wheel with Bearing Idler Pulley Gear for 3D Printer Material: POM+steelYsyaxsyt Ysyaxsyt 10Pcs Big Plastic Pulley Wheel with Bearing Idler Pulley Gear for 3D Printer Outer Diameter: 24mm, Inner diameter: 5mm, Height: 10.23mmDaiilg Daiilg 10Pcs Big Plastic Pulley Wheel with Bearing Idler Pulley Gear for 3D Printer Material: POM+steelAswalling Aswalling 10Pcs Big Plastic Pulley Wheel with Bearing Idler Pulley Gear for 3D Printer Outer Diameter: 24mm, Inner diameter: 5mm, Height: 10.23mmdomoi domoi 10 Pcs Plastic Wheel POM with Bearings Big Models Passive Round Wheel Idler Pulley Gear Wheel for CR10 3 These bearings are made of high-quality carbon steel, and .Tbest Tbest 2000 Lbs Stable High Load Bearing Trailer Idler Hub Kit for 1-1/16in Straight Spindles [Heavy-duty Performance] Withstanding high pressure loads, the wheel hub kit stably supports the trailer's weight, offerdomoi domoi 10Pcs Big Plastic Pulley Wheel with Bearing Idler Pulley Gear for 3D Printer Material: POM+steelCroatch 4/8pcs 3D Printer Parts GT2 Idler Timing Pulley 20 Teeth 5mm Bore with Bearings 2gt Synchronous Belt 6mm(SIL B5 W6 20T,8 4/8pcs 3D Printer Parts GT2 Idler Timing Pulley 20 Teeth 5mm Bore With Bearings 2gt Synchronous Belt 6mmMOTO1988 Flywheel Puller + Starter Clutch One Way Bearing + Gear Idler + Gasket for Suzuki 2003-2014 Quadsport Z400 LT-Z400 LTZ40 Compatible Models:Fit for Suzuki Quadsport Z400 LT-Z400Z 2003-2013,Quadsport Z400 LT-Z400 2003-2014Rukjmqi Rukjmqi Idler Wheel | Pool Cleaner Wheel Hub Bearings Kit with Seals and Bearings - Washer Heavy-Duty Upgrade Repair Cle Lasting Materials: Built with high-grade wear-resistant parts, it reduces usageal friction and extends the service lifeGitekain Pool Cleaner Replacement Parts, Idler Wheel Kit with Seals and Bearings, Heavy Duty Maintenance Accessory Set, Ideal for Versatile to Use: this replacement idler wheel kit with integrated seals and bearings is compatible with most automaticWUYONGSI 1/2/3/4/5/10pcs 18 Teeth 5M Idler Pulley Tensioner Wheel Bore 5/6/7/8/10mm with Bearing for Width 15mm Guide Synchronous Type:18 Teeth 5M Tensioner pulley/Idler pulley/Guide pulley/Regulating pulleyYLHHWVY YLHHWVY Idler Drive Pulley, Flat Idler Pulley Bearing, Metal Transaxle Idler Pulley, for 102 100 STX 30 38 46 LT133 150 * 【Lawn Tractor Parts】Transmission pulley, you can directly replace old or damaged parts.Generic xinyee Printer Plastic Pulley Passive Round Wheel Roller with Bearing Idler Pulley Gear Perlin Wheel for CR-10 Series -3 🍭1 pieces of passive round pulley for CR-10 series (CR-10/CR-10mini/CR-10S/CR-10S4/CR-10S5) and -3 3D printers.Baluue Baluue 12pcs Pom Pulley Wheels for Printers Smooth and Plastic Idler with Bearings Low Friction Printer Parts for Enhanc 3D PRINTERS-- Brings good working performance to DIY 3D printers with certain versatility.DAYUAN DA YUAN 14pcs 5 ton Capacity Bearing Separator Puller Set 2" and 3" Splitters Remove Bearings Kit 2 inches and 3 inches bearing separatorsWeqizuerqi Weqizuerqi Pool Cleaner Parts,with Seals and Bearings Pool Cleaner Idler Wheel Replacement Part - Heavy-Duty Accessories Sturdy Structure: Made with advanced wear-resistant components, the idler wheel replacement kit significantly extends itGeneric Pool Cleaner Parts | with Seals and Bearings Pool Cleaner Idler Wheel Replacement Part - Heavy-Duty Accessories Repair M Sturdy Structure: Made with advanced wear-resistant components, the idler wheel replacement kit significantly extends itGeneric Pool Cleaner Replacement Wheels | with Seals and Bearings Pool Cleaner Idler Wheel Replacement Part - Heavy-Duty Washer Strong Material: Crafted from wear-resistant materials, this pool cleaner idler wheel replacement kit assures extended sGeneric Engine V Belt Idler Bearing Pulley for Nissan Patrol GQ GU RD28T 2.8L Diesel Aftermarket Warranty: 1 year (or up to 20,000kms, whatever comes first).Generic Pool Cleaner Idler Wheel Replacement Kit - Pool Cleaner Idler Wheel with Seals and Bearings - Washer Accessories Upgrade Safe Material: Designed using long-lasting, wear-resistant materials, the kit Improves longevity and cuts down on frictiBarbuly Barbuly 30Pcs Big Plastic Pulley Wheel with Bearing Idler Pulley Gear for 3D Printer Net Weight: 14g/pcsGeneric Pool Cleaner Replacement Parts - Pool Cleaner Idler Wheel Kit with Seals and Bearings - Heavy-Duty Washer Cleaning Upgra Sturdy Structure: Made with advanced wear-resistant components, the idler wheel replacement kit significantly extends itMellisso Mellisso 30Pcs Big Plastic Pulley Wheel with Bearing Idler Pulley Gear for 3D Printer Material: POM+steelVEVOR VEVOR Belt Grinder Wheel Set, Complete Belt Knife Grinder Wheel Set, Aluminum Belt Grinder Wheel Crowned, for Knife Grin 【6061-T6 ALUMINUM】- The belt grinder wheel is constructed with durable aluminum material, warp-proof, rust-proof, and coYNPQTDS YNPQTDS Pool Cleaner Replacement Parts,Pool Cleaner Idler Wheel Kit with Seals and Bearings - Washer Accessories Upgrade Sturdy Structure: Made with advanced wear-resistant components, the idler wheel replacement kit significantly extends itBaluue Baluue 13pcs Clear Plastic Pulley Wheels with Ball Bearings Printer Idler Wheels for Smooth Operation Resistant and Wear POLYCARBONATE PULLEY WHEEL-- 3d printer bearings wheel The outside of the wheel is made of material with good physical,Generic Pool Cleaner Replacement Wheels - with Seals and Bearings Pool Cleaner Idler Wheel Replacement Part - Washer Heavy-Duty Lasting Materials: Built with high-grade wear-resistant parts, it reduces usageal friction and extends the service lifeGeneric Pool Cleaner Replacement Wheels - with Seals and Bearings Pool Cleaner Idler Wheel Replacement Part - Washer Heavy-Duty Lasting Materials: Built with high-grade wear-resistant parts, it reduces usageal friction and extends the service lifeDONHUA 608 ZZ Ball Bearings 40 Pcs Metal Ball Bearings Double Shielded Miniature Groove Ball Bearings Carbon Steel Bearings for 608 ZZ Deep Groove Ball Bearing dimensions: Bore Diameter 8mm(0.31Inch), Outside Diameter 22mm(0.87Inch), Width 7mm(0.27VEVOR VEVOR Belt Grinder Wheel Set, Complete Belt Knife Grinder Wheel Set, Aluminum Belt Grinder Wheel Crowned, for Knife Grin 【6061-T6 ALUMINUM】- The belt grinder wheel is constructed with durable aluminum material, warp-proof, rust-proof, and coGeneric Pool Cleaner Parts | with Seals and Bearings Pool Cleaner Idler Wheel Replacement Part - Heavy-Duty Accessories for Main Strong Material: Crafted from wear-resistant materials, this pool cleaner idler wheel replacement kit assures extended sZEKOLO 1/5/10/24PCS CNC Plastic POM Big Small Wheel with Bearing Idler V-Slot Aluminum Profile Perlin Pulley Compatible with 3D The pulleys are produced by high-precision automatic lathe machining, with machining error within 0.005mm.VENEKA VENEKA 30Pcs Big Plastic Pulley Wheel with Bearing Idler Pulley Gear for 3D Printer Outer Diameter: 24mm, Inner diameter: 5mm, Height: 10.23mmETUCYNG ETUCYNG Pool Cleaner Replacement Wheels | with Seals and Bearings Pool Cleaner Idler Wheel Replacement Part - Heavy-Duty Safe Material: Designed using long-lasting, wear-resistant materials, the kit Improves longevity and cuts down on frictizolyet zolyet Zero G One.1 Motion Kit with 6M Belt High Quali Bearing Idler 3D Pr Parts Multicolor It is produced with superior s, the blet is and resistance.Tuperoymse Tuperoymse 10Pcs Big Plastic Pulley Wheel with Bearing Idler Pulley Gear for 3D Printer Outer Diameter: 24mm, Inner diameter: 5mm, Height: 10.23mmBarbuly Barbuly 40Pcs Big Plastic Pulley Wheel with Bearing Idler Pulley Gear for 3D Printer Outer Diameter: 24mm, Inner diameter: 5mm, Height: 10.23mmGeneric Zero G One.1 Motion Kit with 6M Belt Bearing Idler 3D Printer Parts Multicolor 🌻 It is produced with superior s, the blet is and resistance.Barbuly Barbuly 40Pcs Big Plastic Pulley Wheel with Bearing Idler Pulley Gear for 3D Printer Outer Diameter: 24mm, Inner diameter: 5mm, Height: 10.23mmGENERIC Idler Bearing(PULLYE Idler) FITS KIA Sorento 2003-2006 2481035530 COMPATIBLE WITH KIA SORENTOGMB Gmb Gt-80570 Subaru Idler Bearing Helps to provide the belt with tension and transfer driving force from the crankshaftBIGTEDDY Upto10X 608ZZ Ball Bearing Premium ABEC-7 Skateboard 3D Printer for RepRap HOT - 608-ZZ Ball Bearing, this is a popular size of Skate bearing or any application that uses this size 8mm x 22mm x 7mm.GMB GMB GT-90590 Toyota Idler Bearing Helps to provide the belt with tension and transfer driving force from the crankshaftXiKe XIKE 608-2RS Sealed Ball Bearings 8x22x7mm Bearing Steel｜Pre-Lubricated｜Double Rubber Seals｜608RS Miniature Deep Groove ✔ Dimensions: Bore diameter 8 mm, Outside diameter 22 mm, Width 7 mm.CELECH 30pcs 608-2RS Ball Bearings(8x22x7),Metal Double Shielded Miniature Deep Groove Skateboard Ball Bearings for 3D Printer Package includes: Set of 30pcs 608-2RS Ball Bearings.XiKe XIKE 6902-2RS Ball Bearings 15x28x7mm Bearing Steel｜Pre-Lubricated｜Double Rubber Seals｜6902RS Deep Groove Ball Bearing w ✔ Dimensions: Bore diameter 15 mm, Outside diameter 28 mm, Width 7 mm.Esforzarse Esforzarse 20 Pcs Longboard Roller Skate Bearing, Mini Ball Bearings, Deep Groove Ball Bearing for Skateboards, Furnitur ☀Package Includes: You will get skateboard bearings 20 pcs(Contains 10 colors, 4 for each color). can meet your daily neロードパートナー(Roadpartner) Roadpartner Idler Bearing 1PM1-12-730 Mitsubishi Mirage Lancer CN9A 4G63 2000cc Compatible models: Mitsubishi Mirage Lancer CN9A 4G63 2,000 ccGMB gmb GT-80530 Mazda Idler Bearing Helps to provide the belt with tension and transfer driving force from the crankshaftATMA SUPPLY WE49X20697 Dryer Bearing Kit for GE Contains Top Bearing WE3M26 Drum Felt WE9M30 (WE09X20441) Drive Belt WE12M29 Bearing WE49X20697 Dryer Repair Kit Contains: 1 x WE3M26 top bearing, 1 x WE9M30 front drum felt , 1 x WE12M29 drive belt, 2 x WCHIORMKL 3D Printer Linear Motion Bearings and Shafts Pack Belt Idler and Threaded Rods，Compatible with Ender 3 NG V1.2(Bearings High-quality linear motion bearings for smooth and precise movement in your 3D printerKaslaider 20pcs 625zz Deep Groove Ball Bearings, 5mm Bore 16mm OD 5mm Thick Carbon Steel Double Shielded Bearing for Motors, Doubl 【✅ Size】10pcs 6201zz Sealed Bearings,(I.D.=12mm, O.D.=32mm, Thickness=10mm). / 20pcs 625zz Sealed Bearings,(I.D.=5mm, O.GMB Gmb Gt-80360 Toyota Idler Bearing Helps to provide the belt with tension and transfer driving force from the crankshaftVGOL VGOL 4pcs Wheel Bearings Lawn Tractors Bearing Mower Wheel Bearing Lawnmowers Wheel Steel Bearing 28.6mm OD 12.7mm ID Si [Type]: This is a lawnmower wheel bearings.LxcshLjx LxcshLjx 20Pcs Skateboard Rolling Bearings, Miniature Deep Groove Rollerblade Bearings, Bearing Steel Rubber Sealed Skat Material : The bearings is made of high quality bearing steel, it has durability and resistance to rust and deformationXiKe XIKE 2 pcs 6203-2RS 17x40x12mm Ball Bearings witn Double Rubber Seals, Bearing Steel and Pre-Lubricated, 6203RS Deep Gro 6203-2RS 17 mm inside diameter, 40 mm outside diameter, 12 mm widthHUANGYUZHENZHI HUANGYUZHENZHI 10pcs POM Pulley Wheel with Bearing 5mm Bore Diameter Idler Pulley Gear forAnet CNC 3D Printer Accessorie High precision with its all metal build: the all metal frame allows high quality prints. Snapmaker 3-in-1 3D printer can