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Best Choice ZYHA 
10Pcs Linear Motion Bearing, 8mm Bearing Steel Ball Bearing, LM8UU Engraving Machine for 3D Printer Best Value Jectse 
Linear Bearing, 8Pcs LM10UU Linear Ball Bearing with 10mm Bore Dia,19mm OD,29mm Length, Professional Linear Motion Shaft PARAMETERS: Item Type: Linear Bearing Set; Model: LM10UU; Inner Diameter: 10mm / 0.39 inch; Outer Diameter: 19mm / 0.75Ruimou 
Ruimou 4Pcs SCS10UU Linear Motion Ball Bearing Slide Unit Bushing(10MM Inner Dia.) for CNC Machine Linear Sliding, 3D Pr 1.SCS10UU sliding unit bearings made of aluminum alloy，40* 35*26mm(10mm Inner Dia).Ruimou 
Ruimou 12Pcs LM10UU Solid Polymer Bearing 10MM Linear Bearings（10X19X29MM） for Machine Sliding, 3D Printer Replace Parts 1.LM10UU bearings made of solid polymer，10mm(Inner Dia.)* 19mm(Outer Dia.)*29mm(Thickness).Jectse 
MGN9H Linear Guide Rail High Accuracy Wide Application Bearing Steel Quick Installation, 100mm Slide Rail with Carriage Smoother Sliding: The slider adopts a steel wire holder structure to effectively prevent the steel s from falling off, aeMagTech 
eMagTech RJ4JP-01-08 Drylin Linear Bearing 3D Printer Replacement LM8UU Bearing 8mm Inner Shaft 15mm Outer Diameter 24mm 8 mm inner diameter.Zopsc 
8mm X 400mm Linear Motion Guide Rail Shaft CNC Linear Rail Shaft Rod with Bearing Guide Support + SC8UU Bearing Block Se brand new anduxcell uxcell LM8UU Linear Ball Bearings 8mm Bore 15mm OD 24mm Length for CNC Machine 3D Printer 4pcs [SIZE] - Model: LM8UU, 8x15x24mm Metric Double Seal Linear BearingWanRomJun 12 Pcs LM8UU Linear Ball Bearings, 8mm Bore Dia, 15mm OD, 24mm Length with Double Side Rubber Seal Great for CNC, 3D Pri 【High quality material】Deep-Groove Ball Bearings are made of high-quality steel, with high wear resistance, low frictionVGOL VGOL 4PCS LM8LUU Linear Bearing 3D Printer Extra Longer Double Sealed Ball Bearings for 3D Printer Engraving Machine 8mm Application: These are ideal for small 8mm axle/hobby bar projects, such as 3D printer, engraving machine and many otherJectse 2Pcs SC20UU 20mm Closed Linear Bearing Slide Block, CNC Linear Motion Ball Bearing Slide Block for Silent, High-Speed an oxidation treatment, beautiful and corrosion .IsMwav IsMwav Linear Bearing Slide Block Units, 16mm Bore Dia(SCS16UU Pack of 4) Smooth moving, low friction, high rigidity and long working lifeuxcell uxcell 4Pcs LM30UU Linear Bearing 30mm Bore 45mm OD 62mm Length Linear Ball Bearings Nickel Plated Surface Double Side R TWO RUBBER SEALS FOR DUSTPROOF: These ball bearings are dust-sealed with two rubber seals to prevent the ingress of dirtuxcell uxcell 2 Pcs 8mm x 600mm Linear Motion Rail Shaft Slide Guide with 4 Pcs SCS8UU Bearings and 4 Pcs SK8 Rail Support Line Specification: Rail Guide Total Size: 8mm x 600mm; SK8 Rail Support Size: 33 x 42 x 15 mm/1.3 x 1.7 x 0.6 inch (L*W*H);EMSea EMSea 20x U624ZZ U Groove Ball Bearings 4x13x7mm High Carbon Steel Miniature Guide Pulley Rail Wheel with Double Shielde Bearings have 1.5mm deep U groove that generally ride on a rail or track, 4mm/0.15inch inner diameter, 13mm/0.51inch outRuimou Ruimou 4Pcs SCS12UU Linear Motion Ball Bearing Slide Unit Bushing(12MM Inner Dia.) for CNC Machine Linear Sliding, 3D Pr uxcell uxcell LM8UU Extra Long Round Flange Linear Ball Bearings, 8mm Bore Dia, 15mm OD, 45mm Length(Pack of 2) Model: LM8UU (Nominal Shaft Diamter (dr): 8mm, Outer Diameter (D): 15mm, Total Length (L): 45mm)Ruimou Ruimou 12Pcs LM8UU Solid Polymer Bearing 8MM Linear Bearings（8X16X25MM） for Mendel 3D Printer Replace Parts 1.LM8UU bearings made of solid polymer，8mm(Inner Dia.)* 16mm(Outer Dia.)*25mm(Thickness).Mingzhe 20pcs V623ZZ V Groove Ball Bearing Pulley Rail Track Linear Motion System 3x12x4mm [Double Shielded Design] The bearings are equipped with double to prevent contaminants from affecting performance and touxcell uxcell® LM8UU Extra Long Linear Ball Bearings, 8mm Bore Dia, 15mm OD, 45mm Length (Pack of 4) Model: LM8UU (Nominal Shaft Diamter (dr): 8mm, Outer Diameter (D): 15mm, Total Length (L): 45mm)Mingzhe 20pcs V623ZZ V Groove Ball Bearing Pulley Rail Track Linear Motion System 3x12x4mm [Double Shielded Design] The bearings are equipped with double to prevent contaminants from affecting performance and touxcell uxcell LM25UU Round Flange Linear Ball Bearings, 25mm Bore Dia, 40mm OD, 59mm Length 1Pcs Model: LM25UU (Nominal Shaft Diamter (dr): 25mm, Outer Diameter (D): 40mm, Total Length (L): 59mm)CNCYEAH CNCYEAH SBR16UU Slide Block 1PC 16mm Square Type Carriage Bearing Blocks Linear Bearing Motion Ball Slide Units for 16mm PACKAGE INCLUDED: 1PC SBR16UU Slide BlockJectse 2Pcs 8mm Linear Rod, Linear Motion Shaft,Stainless Steel Cylinder Rail Linear Shaft,for Linear Motion, Automatic Machine This guide rod is for linear motion, automatic machinery, injection molding machine, etcuxcell uxcell LM8UU Linear Ball Bearings 8mm Bore 15mm OD 17mm Long for CNC Machine 3D Printer 10pcs [SIZE] - Model: LM8UU, 8x15x17mm Metric Double Seal Linear BearingRuimou Ruimou 2Pcs SBR20UU Open Linear Motion Ball Bearing Slide Unit Bushing(20MM Inner Dia.) for CNC Machine Sliding, 3D Prin 1.FEATURES:SBR20UU Open sliding unit bearings made of aluminum alloy，44*50*38mm(20mm Inner Dia).Ruimou Ruimou 2Pcs LMK12UU Lengthen Model Square Linear Bearing Slide Unit Bushing(12MM Inner Dia.) for CNC Machine,3D Printer 1.LMK12UU Lengthen model square linear bearing Unit made of Steel alloy ,57*32.5*32.5mm(12mm Inner Dia./ 21mm outer Dia)uxcell uxcell 2pcs Linear Motion Rod Shaft Guide 8mm x 200mm Bearing Steel Chrome Plated Smooth Hardened Rod High Precision Lin Size - 8mm x 200mm (D*L). High precision with a tolerance of 0.005mm. Hardness up to 60-64 HRC. High straightness, ≤0.5/uxcell uxcell LMK10UU Extra Long Square Flange Linear Ball Bearings, 10mm Bore Dia, 19mm OD, 55mm Length(Pack of 2) Model: LMK10UU (Nominal Shaft Diamter (dr): 10mm, Outer Diameter (D): 19mm, Total Length (L): 55mm)Generic XYWHPGV SCS16LUU Linear Ball Bearing Slide Block Units Extra Long, 16mm Bore Dia 1Pcs(2206d bc831 07d9b fe974 999c5 7807 Model: SCS16LUU (Bearing No.: LM16LUU, Nominal Shaft Diamter (dr): 16mm)HFZCSIMR HFZCSIMR 2pcs Linear Bearing LM25UU LM30UU LM35UU LM40UU Bearings(LM30UU 30x45x64mm) We can supply any type of bearings, you can leave us a message.Aoutecen 4PCS SBR10UU Bearing Blocks Open Sliding Ball Bearing Block Aluminum Slider Linear Motion Ball Bearing Slide Block for C [High Concentricity] With fine workmanship and uniform bearing surfaces, these sliders can withstand heavy impact loadsuxcell uxcell SCV10UU Linear Ball Bearing Slide Block Units, 10mm Bore Diameter 4pcs [SIZE] - Model: SCV10UU, 40 x 19.9 x 26mm Metric Double Seal Linear Bearing, 10mm Nominal Shaft Diameteruxcell uxcell® LMK16UU Square Flange Linear Ball Bearings, 16mm Bore Dia, 28mm OD, 70mm Length(Pack of 2) Model: LMK16UU (Nominal Shaft Diamter (dr): 16mm, Outer Diameter (D): 28mm, Total Length (L): 70mm)uxcell uxcell LM25UU Linear Ball Bearings 25mm Bore 40mm OD 59mm Long for CNC Machine 3D Printer 4pcs [SIZE] - Model: LM25UU, 25x40x59mm Metric Double Seal Linear Bearinguxcell uxcell SCS16UU Linear Ball Bearing Slide Block Units, 16mm Bore Dia(Pack of 4) Model: SCS16UU (Bearing No.: LM16UU, Nominal Shaft Diamter (dr): 16mm)YOSADIER YOSADIER Slider Guide Linear Motion Ball Bearing Slide Ball Slide Block Bearing Block Linear Guide Slider Linear Bearing Exceptional durability: made from materials, this linear rail block bearing ensuring longterm reliability,slide block,beALL IN RED BOX ALL IN RED BOX 4Pcs LM8UU Extra Long Linear Ball Bearings - 8mm Bore Dia, 15mm OD, 45mm Length Model: LM8UU. Inner Diameter(D): 8mm, Outer Diameter(D): 15mm, Total Length(L): 45mm.THK-HIWIN Original HIWIN Linear Guide Block HGW15CC HGW15 HGW15CCZ0C/ZAC/Z0H/ZAH W15C HG15 Linear Rail/Carriage/Bearings/Guideways Rails available:When desiring linear rails 100mm to 3000mm long,contact usLrocaoai Linear Bearing Slide Block Units, 16mm Bore Dia(SCS16UU Pack of 8) Light-weight housing and Chromium Steel bearing , good abrasion resistance, high precision and good strengthuxcell uxcell 12pcs LM8UU Linear Ball Bearings, 8mm Bore Dia, 15mm OD,24mm Length, Linear Motion Bearing for CNC Machine Tool 3 Package Included: 12pcs Metric Double Seal Linear Bearing; Model: LM8UU, Bore Diameter (dr): 8mm, Outer Diameter (D): 15Jectse Linear Motion Rod Shaft Kit with Low Friction Coefficient, 304 Stainless Steel, High Tensile Strength, Wide Use for 3D P Kit Contents: Linear guide rod shaft kit contains 2 linear motion guide rod shaft, 4 SC8UU sliding bearing block, 4 shafuxcell uxcell® LMK12UU Square Flange Linear Ball Bearings, 12mm Bore Dia, 21mm OD, 30mm Length(Pack of 2) Model: LMK12UU (Nominal Shaft Diamter (dr): 12mm, Outer Diameter (D): 21mm, Total Length (L): 30mm)uxcell uxcell SCV25UU Linear Ball Bearing Slide Block Units, 25mm Bore Diameter 2pcs [SIZE] - Model: SCV25UU, 74.5 x 37.8 x 51.5mm Metric Double Seal Linear Bearing, 8mm Nominal Shaft DiameterByttlerom Byttlerom Linear Rails and Bearings,2Pcs Linear Guide Rail 500mm +4Pcs Linear Bearing 12mm Slide Blocks SBR12UU Industrial-grade standard block, with high precision linear bearing inside.uxcell uxcell 8mm x 380mm Hardened Rod Chrome Plated Linear Motion Shaft/Guide 8mm Diameter(Tolerance: -0.01mm ~ -0.03mm), 380mm long Linear Motion Shaftuxcell uxcell LM20UU Extra Long Round Flange Linear Ball Bearings, 20mm Bore Dia, 32mm OD, 80mm Length Model: LM20UU (Nominal Shaft Diamter (dr): 20mm, Outer Diameter (D): 32mm, Total Length (L): 80mm)uxcell uxcell LMK20LUU 20mm Inner Dia Square Flange Mount Linear Motion Ball Bearing Product Name: Flange Mount Linear Ball Bearing; Material: Metal, Rubber; Color: Silver Toneuxcell uxcell® SCS10UU Linear Ball Bearing Slide Block Units, 10mm Bore Dia (Pack of 4) Model: SCS10UU (Bearing No.: LM10UU, Nominal Shaft Diamter (dr): 10mm)ANKROYU Sbr25uu Closed Type Linear Bearing Slide, CNC Aluminum Alloy Linear Motion Block with 25mm Inner Diameter for Quiet, Hig [Aluminum alloy]: Made of high-strength aluminum alloy, strong bearing capacity and long service life.NDNCZDHC NDNCZDHC 10Pcs Linear Bearing LM16UU Linear Ball Bearings 16x28x37mm Alloy Steel Linear Motion Bearing for CNC, 3D Print Applicable Scenarios: Linear motion bearings are ideal for industrial automation equipment, stepper motor guide rails, auxcell uxcell SCS25LUU Linear Ball Bearing Slide Block Units Extra Long, 25mm Bore Dia 1Pcs Model: SCS25LUU (Bearing No.: LM25LUU, Nominal Shaft Diamter (dr): 25mm)uxcell uxcell 2 Pcs 8mm x 1000mm Linear Motion Rail Shaft Slide Guide with 4 Pcs SCS8UU Bearings and 4 Pcs SK8 Rail Support Lin Specification: Rail Guide Total Size: 8mm x 1000mm; SK8 Rail Support Size: 33 x 42 x 15 mm/1.3 x 1.7 x 0.6 inch (L*W*H);Qinlorgo Bearing Block, Guide Rail Linear Guide Linear Guide Rail Bearing Slide Block 300mm12mm SBR12UU Linear Bearing Linear Sli Surface silver plating treatment, beautiful anti-rust, hardness can as high as HRC62, more durableQANYEGN 4Pcs SBR20UU Linear Bearing Block, Aluminum Open Linear Motion Bearing Slide Block, 20mm Linear Guide Rail MADE OF HIGH QUALITY ALUMINUM ALLOY: These liner-motion bearings are made of high quality aluminum alloy for low noise aBaxnore Baxnore LML12B Linear Guide Rail, Bearing Steel Linear Motion Rail, 12mm Width Linear Rail Carriage with Slide Block for Compact Design: This linear rail and block are small and lightweight; Suitable for small equipment and systems that requNDNCZDHC 2Pcs Linear Rail SBR12 700mm CNC Linear Guide Mini Linear Rail Guide Roller Bearings with 4Pcs SBR12UU Blocks Bearing fo Robust Metal Shell: The cnc linear guide features a metal shell that is durable and long-lasting, ensuring reliable perfuxcell uxcell® SBR16UU Linear Ball Bearing Slide Block Units, 16mm Bore Dia (Pack of 2) Model: SBR16UU (Bearing No.: LM16UUOP, Nominal Shaft Diamter (dr): 16mm)uxcell uxcell Linear Motion Rod Shaft Guide Set 2pcs 8mm x 500mm Linear Motion Guides Steel Plated Smooth with 2pcs SCS8UU Bear Linear Motion Shaft Set: Package includes 2 x linear rail, sized 8mm x 500mm, 2 x SCS8UU bearing blocks, and 4 x SK8 shaVEVOR VEVOR Linear Guide Rail Set, SBR20 1000mm, 2 PCS 39.4 in/1000 mm SBR20 Guide Rails and 4 PCS SBR20UU Slide Blocks, Linea SBR Linear Guide Rail Set: SBR20-1000 mm Linear motion guide rail includes 2 x 39.4 in/1000 mm length SBR20 guide railsBUGUUYO BUGUUYO 1 PC Polymer Linear Bearing Solid Plastic Bearing for Printer Parts Easy to Install Self Lubricating Vibration R Plastic bearing:these solid polymer bearings can vibration and unnecessary noise,linear bearingGugxiom Linear Rail Slider Set, 800mm 4pcs SBR12UU Fully Support Linear Bearing Rail Slide Guide Shaft, 12mm Diameter Shaft Line 800 MM, SBR12UU：This linear rail kit includes 2pcs 31.5 inches/800 mm long linear rail spindles with 0.47 inches/12 mm sVEVOR VEVOR Linear Guide Rail Set, SBR12 1000mm, 2 PCS 39.4 in/1000 mm SBR12 Guide Rails and 4 PCS SBR12UU Slide Blocks, Linea SBR Linear Guide Rail Set:SBR12-1000 mm Linear motion guide rail includes 2 x 39.4 in/1000 mm length SBR12 guide rails aHUANGYUZHENZHI Linear Rail 2Pcs SBR16 Linear Rail Guide 300 400 500 600 1000 1200 1500mm + 4pcs SBR16UU Linear Bearing Block Linear Rai Aluminum profile extrusion products are a good linear motion material with high strength and adjustable.uxcell uxcell 4pcs Linear Motion Rod Shaft Guide 8mm x 200mm Bearing Steel Chrome Plated Smooth Hardened Rod High Precision Lin Size - 8mm x 200mm (D*L). High precision with a tolerance of 0.005mm. Hardness up to 60-64 HRC. High straightness, ≤0.5/Gatuida Gatuida Linear Rail Guide Carriage Block Low Friction 3D Printer Accessory for Mgn12h Replacement Part Sliding block--replacement carriage block for sliding rail,3d printer AccessoryLokkr Lokkr 3D Printer POM Wheel (10 Pcs), Ender 3 Wheel, Plastic Pulley 625zz Linear Bearing for Creality Ender 3/Ender 3 V2/ ➤High Quality Material: These 3D Printer wheels are all original and high quality from 100% quality assurance. It is madSENRISE Linear Rod Shaft Support SENRISE Guide Bearing Support Aluminum Alloy Linear Rail Guide Support for 10mm Diameter Shaft ★Made of aluminum alloy, rust and acid proofLJCM SC8UU Slide Block, Linear Motion Rod Shaft Guide Acid Resistant Corrosion Resistant Shaft Support Strong High Carbon Ste IDEAL REPLACEMENT: Wonderful replacement for the old or broken one, fine workmanship, attention to details, helps improvBrilluxa Linear Bearing Slide, Open Linear Motion Slide Block, SBR50UU 50mm Aluminum Open Type Linear Motion Bearing Slide Block Made of aluminum alloy, high hardness, stronger bearing capacity.Brilluxa Linear Bearing Slide, Open Linear Motion Slide Block, SBR50UU 50mm Aluminum Open Type Linear Motion Bearing Slide Block Made of aluminum alloy, high hardness, stronger bearing capacity.VEVOR VEVOR Linear Guide Rail Set, SBR20 800mm, 2 PCS 31.5 in/800 mm SBR20 Guide Rails and 4 PCS SBR20UU Slide Blocks, Linear SBR Linear Guide Rail Set: SBR20-800 mm Linear motion guide rail includes 2 x 31.5 in/800 mm length SBR20 guide rails anMVBVTKTAER MVBVTKTAER 2pcs SBR16 Linear Rail Guide 200 300 400 500 600 1000 1200 1500mm Fully Slide Support +4pcs SBR16UU Linear Be Made of high-quality materials, with high precision, smooth operation and long service life.PHGTHNVNMA PHGTHNVNMA 2pcs SBR16 Linear Rail Guide 200 300 400 500 600 800mm Fully Slide Support +4pcs SBR16UU Linear Bearing Block Using high-quality materials with stability and durabilityVEVOR VEVOR Linear Guide Rail Set, SBR16 1000mm, 2 PCS 39.4 in/1000 mm SBR16 Guide Rails and 4 PCS SBR16UU Slide Blocks, Linea SBR Linear Guide Rail Set: SBR16-1000 mm Linear motion guide rail includes 2 x 39.4 in/1000 mm length SBR16 guide railsNDNCZDHC NDNCZDHC Linear Bearing Slide Block High Accurate Linear Motion Bearing Slide Unit with Open Bearing for Linear Rail (SB Premium Metal Shell: The shell is constructed from premium metal, ensuring longevity and robustness.Eacam Linear Bearing Slide Block SC12UU Aluminum Alloy Sliding Block Smooth Movement Low Friction High-Speed Equipment [Easy Maintenance] Just drip lubricant for smooth operationJINGERL JINGERL 2pcs/lot LMH8UU 8mm Flange Linear Bearing CNC Linear Bush LMH8 2pcs/lot LMH8UU 8mm flange linear bearing CNC Linear Bush LMH8NDNCZDHC NDNCZDHC Linear Bearing Slide Block High Accurate Linear Motion Bearing Slide Unit with Open Bearing for Linear Rail (SB Premium Metal Shell: The shell is constructed from premium metal, ensuring longevity and robustness.Mssoomm Mssoomm 2Pcs SBR12LUU SBR12 LUU 12mm Linear Bearing Motion Pillow Long Slide Block for 12mm Linear Guide Rail, Aluminum This long sliding block is suitable for SBR12 12 mm linear guide rail 2 piecesuxcell uxcell 12pcs Flanged Sleeve Bearings Plastic Bushings ID 10mm x OD 13.1mm x Length 25.1mm Nylon Bushings, White Size - Bore Diameter: 10mm, Outside Diameter: 13.1mm, Total Length: 25.1mm, Flange Diameter: 23.7mm, Flange Thickness: 2HUANGYUZHENZHI Linear Rail 2Pcs SBR16 Linear Rail Guide 300 400 500 600 1000 1200 1500mm + 4pcs SBR16UU Linear Bearing Block Linear Rai Aluminum profile extrusion products are a good linear motion material with high strength and adjustable.GYSABVCP Linear Optical Axis Rail Shaft OD8/10/12/16mm+SCS8/10/12/16UU Linear Bearing Blocks+SK8/10/12/16 Bearing Support(16mm,45 In smooth motion, high friction resistance can rotate with high precision.uxcell uxcell Sleeve Bearings 13mm Bore 19mm OD 20mm Length Cast Brass Self-Lubricating Bushing Size - Bore Diameter: 13mm, Outside Diameter: 19mm, Total Length: 20mmTenNuoDa 450mm Linear Rail,MGN12H Steel High Precision Miniature Slide Guide Rail and MGN12H Slide Block Rail Kit,Linear Rails an Linear guide rail: The MGN12H linear guide rail is made of high-quality bearing steel and aluminum alloy, and the surfacHRBTBGPULX HRBTBGPULX 2pcs SBR20 200 300 500 800 1000 1500mm Linear Guide Rail And 4pcs SBR20UU Linear Bearing Blocks For CNC Parts Made of high-quality materials, with high precision, smooth operation, and long service lifeGUWANJI GUWANJI 2Pcs SBR16-2000mm Linear Rail Guide + 4Pcs SBR16UU Square Type Slide Bearing Block, 16mm Linear Rail Overall Len US Shipping.PHGTHNVNMA PHGTHNVNMA 2pcs SBR20 200 300 500 800 1000mm Linear Guide Rail and 4pcs SBR20UU Linear Bearing Blocks for CNC Parts 20mm Using high-quality materials with stability and durabilityJIRONN 20 PCS Longboard Integrated Bearing 608-ZZ,Skateboard Wheel Bearing Inline Roller Skate Ball Bearing, Deep Carbon Steel 【Application】 608 ball bearing used in skateboard, roller skates, wheel bearings, Skateboard Bearing.JECOMPRIS JECOMPRIS 6pcs Linear Bearing Pulley Wheels for Printers Pom with Inner Smooth Operation for Engraving Machines and Othe Printer bearing pulley--this printer bearing pulley is compatible with multiple engraving machine models, making it a veBUGUUYO BUGUUYO 6pcs Plastic Pulley Wheel 3D Printer Accessory Linear Bearing for Engraving Machine Printer parts:this printer bearing pulley is compatible with multiple engraving machine models, making it a versatile adTenNuoDa Linear Rail 100mm Linear Sliding Guideway,Linear Bearing Slide Rail for Automated Machines and Equipments High-quality steel: Linear guide parts are made of carbon steel, linear bearings are made of high-quality bearing steel,MEZOKUCEL 20pcs 693ZZ Deep Groove Ball Bearings 3mm x 8mm x 4mmCarbon Steel, Double Shielded - ABEC3 Z1 Bearings for Motors (Silve 【Size - Model】 693ZZ, with a 3mm inner diameter, 8mm outer diameter, and 4mm thickness, providing precise dimensions forXiKe XIKE 6200-2RS Ball Bearings 10x30x9mm, Bearing Steel｜Pre-Lubricated｜Double Rubber Seals｜6200RS Deep Groove Ball Bearing ✔ Dimensions: Bore diameter 10 mm, Outside diameter 30 mm, Width 9 mm.VEVOR VEVOR Linear Rail SBR 20-2200mm 2xLinear Guideway Rail and 4X Square Type Carriage Bearing Blocks for Automated Machines SBR Linear Guide Rail Set: SBR20-2200 mm Linear motion guide rail includes 2 x 86.6 in/2200 mm length SBR20 guide railsXiKe XIKE 698-2RS Sealed Ball Bearings 8x19x6mm, Bearing Steel｜Pre-Lubricated｜Double Rubber Seals｜694RS Miniature Deep Groove ✔ Dimensions: Bore diameter 8 mm, Outside diameter 19 mm, Width 6 mm.XiKe XIKE 6001-2RS Sealed Ball Bearings 12x28x8mm, Bearing Steel｜Pre-Lubricated｜Double Rubber Seals｜6001RS Deep Groove Ball B ✔ Dimensions: Bore diameter 12 mm, Outside diameter 28 mm, Width 8 mm.PHGTHNVNMA PHGTHNVNMA Linear Guide Rail SBR12 / SBR16 / SBR20 + 4pcs SBR12/16/20UU Linear Bearing Blocks for CNC Part Linear Guide Using high-quality materials with stability and durabilityWalfront MGN12H Mini Linear Rail Guide, 250/ 300/ 400/ 500/ 550mm Linear Sliding Gide with MGN12H Carriage Block for DIY 3D Print JINGERL JINGERL 2pcs/lot LMK16LUU LMK10LUU LMK10UU LMK8UU LMK12UU LMK16UU LMK20UU LMK12LUU 16mm Flange Linear Bearing for 3D Pri Including : 2pcs linear bearing