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Linear Bearings Categories
Best Choice Spacnana 
Linear Rail 500mm 12mm Dia Ball Bearing Slide Bushing Optical Axis Rod Support Set for CNC Machine and 3D Printer (8-350 HIGH CARBON STEEL MATERIAL: The linear guide rail is made of high carbon steel, and the linear bearing is made of steel,Best Value SOLUSTRE 
SOLUSTRE Self Aligning Mounted Support Bearings Zinc Alloy Pillow Block Flange Bearings Center Support for Linear Motion Robust Zinc Alloy Construction: Crafted from zinc alloy, this bearing seat ensures strong support and reliable performan16% Off Gugxiom 
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, 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 railsVEVOR 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 anZDETGU 
ZDETGU SBR20UU Linear Bearing Slide Block High Strength Aluminum Alloy Motion Block for Quiet in Industrial Machinery Co 1. Durability & Strength: Made from high-strength aluminum alloy for superior load capacity and extended service life enRIZGHWOY 
RIZGHWOY LM10UU Linear Motion Ball Bearing, 8 Pack, Steel Construction, 10mm Inner Diameter, 19mm Outer x 29mm Height, f [ bearings]: Made with premium bearing steel, these bearings offer low noise and long life for constant performance.Marhynchus 10pcs U624ZZ Mini U Ball Bearing Carbon Steel Pulley for Rail Track Linear System 4x13x7mm : These u type u- pulley roller wheel are made from carbon steel for durability and have a long service life.eMagTech eMagTech RJ4JP-01-08 Drylin Linear Bearing 3D Printer Replacement LM8UU Bearing 8mm Inner Shaft 15mm Outer Diameter 24mm 8 mm inner diameter.YDuupxe Linear Motion Rod Shaft Kit, 2 Linear Motion Guide Rod Shaft, 4 SC8UU Sliding Bearing Block, 1 Lead Screw 1 Nut 2 Vertic [Complete Set] Kit includes everything needed for easy installation and efficient operation, making it a must-have for dYDuupxe Linear Motion Rod Shaft Kit, 2 Linear Motion Guide Rod Shaft, 4 SC8UU Sliding Bearing Block, 1 Lead Screw 1 Nut 2 Vertic [Complete Set] Kit includes everything needed for easy installation and efficient operation, making it a must-have for dVEVOR VEVOR Linear Guide Rail Set, SBR16-2000mm, 2 PCS 2000 mm SBR16 Guide Rails and 4 PCS SBR16UU Slide Blocks, Linear Rails SBR Linear Guide Rail Set: SBR16-2000 mm Linear motion guide rail includes 2 x 78.7 in/2000 mm length SBR16 guide railsuxcell uxcell Linear Ball Bearings 8mm Bore 15mm OD 24mm Length for CNC Machine 3D Printer 4pcs [SIZE] - 8x15x24mm Metric Double Seal Linear BearingVGOL 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 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 shafJectse 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 / 0.75ZYHA 10Pcs Linear Motion Bearing, 8mm Bearing Steel Ball Bearing, LM8UU Engraving Machine for 3D Printer These liner-motion bearings are made of bearing steel for low noise and long service life.uxcell uxcell 8pcs LM8UU Linear Ball Bearings, 8mm Bore 15mm OD 24mm Long Linear Bearing for CNC, 3D Printer Size: Model: LM8UU; Material: 45# Steel; Bore Diameter: 8mm; Outer Diameter: 15mm; Total Length: 24mmZopsc 8mm X 400mm Linear Motion Guide Rail Shaft CNC Linear Rail Shaft Rod with Bearing Guide Support + SC8UU Bearing Block Se brand new andViaGasaFamido ViaGasaFamido Linear Guide Rail, Linear Bearing Slider Kit MGN12C Easy Installation Durable for 3D Printer (200mm) Interchangeable Design: The steel ball retainer design allows for easy interchangeability without compromising on accuraELEOUTI ELEOUTI 2Pcs Lmk8Uu Flange Linear Bearings 8Mm Extra Long Ball Bearing Bushings for 3D Printer Linear Guide Rails DIY Ul Linear ball bearing--the bearing seat has a certain bearing capacity and can be installed on an ordinary precision frame21% Off Jectse 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 .Zerodis 10pcS LM8UU Movement Ball Bearing Cub, Low Noise and Long Shelf Life, Ideal for 3D Printer Engraving Machine, Storage St MATERIAL QUALITY: Constructed from durable steel material for reliable performance and extended operational lifeKAKA AUTO PARTS KAKA AUTO PARTS 4X 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.Akozon 2pcs SBR12-600mm 12MM Linear Bearing Rail Sliding Guide Shaft 4pcs SBR12UU, Multifunctional Accessory for Home Use [High Interchangeability] With a high-precision linear bearing inside, standard processing makes the product high intercRuimou Ruimou 4Pcs SCS10UU Linear Motion Ball Bearing Slide Unit Bushing(10MM Inner Dia.) for CNC Machine Linear Sliding, 3D Pr SCS10UU sliding unit bearings are made of aluminum alloy, 40 * 35 * 26mm (10mm Inner Diameter).22% Off Thonlai Thonlai 10pcs LM8UU 8mm Linear Motion Ball Bearings, Double Sealed Bushing with Low Noise for 3D Printer CNC Engraving M These liner-motion bearings are made of bearing steel for low noise and long service lifeJINTEXING Linear Bearing Slider, Open Metal Bearing Slider Movement, SBR16UU, CNC Parts, 45 * 45mm SBR16UU measures 45 x 45mm / 1.8 x 1.8 in, and the mounting screw size is M5;Sorandy Sorandy SCS25UU Linear Bearing, 25mm Inner Diameter Slide Block Linear Motion Ball Bearing for Machinery and Equipment 【Aesthetic and Durable Treatment】With a surface oxidation treatment, it not only looks appealing but also resists corrosJeffergarden Jeffergarden Linear Motion Shafts, 10mm Shafts, Rods, Bearing Steel Cylinder Rail Linear Shaft Rod, Materials, Excellent WIDELY APPLICATIONS: This Linear Shaft is designed for various linear motion applications, such as automatic machinery aAoutecen 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 loadsPhefop Phefop Durable 2PCS SBR12-500mm Linear Bearing Rail - Metal Rail Guide Shaft - for Automatic Industry Machines with 4Pcs [ENHANCED MOTION CONTROL] - from the precise motion control provided by this set of 2pcs SBR12-500mm Linear Bearing Railxelea xelea Linear Ball Bearings, 25mm Bore Dia, 40mm OD, 59mm Length (LM25UU Pack of 4) Steel shell and bearing ball, good abrasion resistance, high and good strengthuxcell uxcell 2 Pcs 8mm x 900mm 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 900mm; 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 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).CHICIRIS CHICIRIS Bearing Steel Linear Shaft, 6mm Diameter Round Rod for Linear Motion and Automatic Machinery, with High Precisi [Smooth Rust Resistant Surface] The surface of this linear shaft is meticulously polished to a smooth finish providing euxcell uxcell 4 Pack LMF10LUU Linear Ball Bearings, 10mm Bore Round Flange Linear Ball Bearings Flange Motion Bushing with Doub Size & Package: Model: LMF10LUU; Inner Diameter: 10mm/ 0.39 in; Outer Diameter: 19mm/ 0.75 in; Total Length: 55mm/ 2.17ZyjGaliliad 2Pcs Linear Motion Bearing Ball Round Flange Kit, Linear Ball Bearing with Round Flange for Machine Equipment, High Prec High Precision Operation: This linear motion bearing features a closed-loop ball arrangement that ensures smooth, quietuxcell uxcell LMK16UU Linear Ball Bearings 16mm Bore 28mm OD 37mm Length Square Flange Steel Cage for CNC Machine 3D Printer Dimension - Model: LMK16UU, 16 x 28 x 37 mm Metric Double Seal Chromium Steel Linear Bearing, 36 x 36mm Square Flange Bauxcell uxcell® LMK20UU Square Flange Linear Ball Bearings, 20mm Bore Dia, 32mm OD, 42mm Length(Pack of 2) Model: LMK20UU (Nominal Shaft Diamter (dr): 20mm, Outer Diameter (D): 32mm, Total Length (L): 42mm)uxcell uxcell 2 Pcs 8mm x 750mm 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 750mm; SK8 Rail Support Size: 33 x 42 x 15 mm/1.3 x 1.7 x 0.6 inch (L*W*H);uxcell uxcell 6Pcs LM8UU Linear Bearing 8mm Bore 15mm OD 25mm Length Linear Ball Bearings Double Side Rubber Sealed Bearing Ste TWO RUBBER SEALS FOR DUSTPROOF: These ball bearings are dust-sealed with two rubber seals to prevent the ingress of dirtYDuupxe YDuupxe 2pcs SC20UU 20mm CNC Linear Motion Ball Bearing Slide Block Bushing Aluminum Alloy with Oxidation Treatment for TOP PERFORMANCE: Features oxidation treatment that guarantees exceptional performance and durability. The high-density auxcell uxcell® LM20UUOP Linear Ball Bearings Open Type, 20mm Bore Dia, 32mm OD, 42mm Length (Pack of 4) Model: LM20UUOP (Nominal Shaft Diamter (dr): 20mm, Outer Diameter (D): 32mm, Total Length (L): 42mm)uxcell uxcell 6Pcs LM16UU Linear Bearing 16mm Bore 28mm OD 37mm Length Linear Ball Bearings Double Side Rubber Sealed Bearing S TWO RUBBER SEALS FOR DUSTPROOF: These ball bearings are dust-sealed with two rubber seals to prevent the ingress of dirtLrocaoai Linear Bearing Slide Block Units, 16mm Bore Dia(SCS16UU Pack of 8) Light-weight housing and Steel bearing , good abrasion resistance, high and good strengthuxcell uxcell LM4UU Linear Ball Bearings 4mm Bore 8mm OD 12mm Length for CNC Machine 3D Printer 4pcs [SIZE] - Model: LM4UU, 4x8x12mm Metric Double Seal Linear BearingRiuulity Riuulity MGN9C Linear Rail Miniature Linear Rail Slide, Carriage Slider Block CNC Kit Suitable for Miniaturized Equipmen [Precise Positioning] Featuring a self-aligning function, it achieves μm-level positioning accuracy, ensuring precise anuxcell uxcell 4pcs LM10LUU Linear Ball Bearings, 10mm Bore Dia, 19mm OD,55mm Length, Linear Motion Bearing for CNC Machine Tool Package Included: 4pcs Metric Double Seal Linear Bearing; Model: LM14UU, Bore Diameter (dr): 10mm, Outer Diameter (D): 1NHUKWAG Compatible for LME25UU Linear Motion Ball Bearings 25 * 40 * 58mm (2 Pcs) Standard 25MM 25UU Bearing LME25 UU 1. LME25UU linear motion ball bearings with dimensions 254058mm.Sorandy Sorandy V Groove Ball Bearings, V Groove Pulley V623ZZ Linear Motion Bearings 20Pcs Carbon Steel Double Shielded with 1. [Precision V Groove Design] Featuring a 1.4mm deep v groove these bearings are engineered to ride seamlessly on rails orROMISBABA ROMISBABA Slider Rail Sbruu Open Linear Bearing Blocks for Linear Motion for Sliding Guide Applications Round Shafts Strong load capacity: capable of supporting high loads, this linear slider bearing block is designed to withstand signifAGHIKMOQS AGHIKMOQS Pillow Block Bearing, Linear Slide Block SBR Series 10UU 12UU 13UU 16UU 20UU 25UU 30UU Ball Bearing Block(Sbr1 The surface of is well made to give you a smooth grip, and it is rust and corrosion resistant to provide a beautiful loouxcell uxcell SCS16UU Linear Ball Bearing Slide Block Units, 16mm Bore Dia.(Pack of 4) Model: SCS16UU (Bearing No.: LM16UU, Nominal Shaft Diameter (dr): 16mm)Generic Generic Durable SC20UU 20mm CNC Linear Motion Ball Bearing Slide Block Reliable Performance for High Precision Equipment [SURFACE OXIDATION TREATMENT] enhances beauty and corrosionAGHIKMOQS AGHIKMOQS Pillow Block Bearing, LM8UU Linear Bearings 8x14x23mm Pack of 5 for 3D Printers Shaft height: 23mm Shaft inside diameter: 8mm Shaft outside diameter: 14mmAMAKO 2PCS SBR20UU Linear Bearings Aluminum Alloy Slide Blocks for High Precision Motion in Silent Equipment Construction Mach [High precision performance] Designed for silent high precision equipment and construction machinery, these linear beariGeneric Generic Smooth Surface 8mm Diameter Stainless Steel Linear Rods High Precision 600mm Length for Linear Motion, Bearing P [DURABLE AND RELIABLE] Made from stainless steel, these rods are built to last in demanding applications.SOLUSTRE SOLUSTRE Linear Rail Block Sbr20uu 20mm Open Linear Bearing Slide Block for Cnc Machines Guide Ball Bearing Carriage Userfriendly design: the simple design of this linear motion ball bearing slide block allows for quick and easy installaGeneric Generic Smooth Surface 8mm Diameter Stainless Steel Linear Rods High Precision 600mm Length for Linear Motion, Bearing P [DURABLE AND RELIABLE] Made from stainless steel, these rods are built to last in demanding applications.Baxnore Baxnore 4 PCS SBR16UU Open Linear Bearing Slide, 16mm Aluminum Alloy Linear Motion Block, Low Noise Linear Slide Bearing Material: Made from aluminum alloy, this component provides bearing capacity; The aluminum alloy ensures durability andAGHIKMOQS AGHIKMOQS Pillow Block Bearing, Pillow Block Bearing Linear Bearing Mounted Support Zinc Alloy Multiple Sizes Pack of 10 Material: Zinc Alloy and bearings steelBusoTh MGN9 Linear Guide Rail 600mm with 2 MGN9C Block, Hardened Steel Smooth Quiet Bearing Block for Automated Machines and Eq EASY INSTALLATION: Standard MGN9 linear guide rail, width 9mm, thickness 6.5mm, with pre drilled 3mm diameter mounting hZenithAur ZenithAur LM12UU Linear Bearings 12mm Motion Ball Bearing Bushing for 3D Printer CNC Parts Rod Shaft Projects Smooth Run PRECISE DIMENSIONS: Features a 12mm inner diameter, a 20mm outer diameter, and a 30mm height, engineered for a secure fiRuilogod Ruilogod LM6UU Double Side 6mm Inner Slide Rubber Seal Linear Motion Bearing Product Name: Linear Motion Bearing; Model No. : LM6UUuxcell uxcell 2 Pack LMK10LUU Linear Ball Bearings, 10mm Bore Square Flange Linear Ball Bearings Flange Motion Bushing with Dou Size & Package: Model: LMK10LUU; Inner Diameter: 10mm/ 0.39 in; Outer Diameter: 19mm/ 0.75 in; Total Length: 55mm/ 2.17Lrocaoai 12 x SBR12UU 12mm Aluminum Linear Motion Router Bearing Block, Silver It is used for the design of linear motion productsJeffergarden Jeffergarden 2Pcs LM40UU Steel Material Linear Ball Bearings Low Noise High Speed, 60mm Outer Diameter, 40mm Inner Diame STEEL MATERIAL: Made of advanced bearing steel with special heat treatment for increased service life, reducing costs fouxcell uxcell 2 Pack LMK12UU Linear Ball Bearings, 12mm Bore Square Flange Linear Ball Bearings Flange Motion Bushing with Doub Size & Package: Model: LMK12UU; Inner Diameter: 12mm/ 0.47 in; Outer Diameter: 21mm/ 0.83 in; Total Length: 30mm/ 1.18 iNDNCZDHC LML12B Linear Rail, 12mm Width Miniature Linear Rail Guide Slide Block, Bearing Steel Linear Guide Rail for Automatic Eq Suitable for small equipments: This linear rail and block are small in size and lightweight, especially suitable for smaSpacnana Spacnana Horizontal Linear Bearing Slide Set, High Carbon Steel, 1000mm Linear Slide Rail Shaft with SBR12UU Bearing Blo [Precision Movement]1000mm Linear Slide Rail Shaft ensures smooth operation with SBR12UU bearing block.TOPINCN TOPINCN LM10UU Doublesealed Ball Bearings, Linear with Low Noise for 3D Printers CNC Parts, Ideal for Small Passetime Pr [Sweet functioning] experiences a smooth and effective movement with these linear movement bearings.FSNEODYV FSNEODYV Pillow Block Bearing, Linear Motion Bearings 5-30mm Inner Hole Linear Shaft Sliding Ball Bushing(Lme25uu 25x40x The surface of is well made to give you a smooth grip, and it is rust and corrosion resistant to provide a beautiful looCOHEALI COHEALI 2pcs Lmkuu Flange Linear Bearings Extra Long Ball Bearing Bushings for Printer CNC Machine DIY Accessories with Ball bearing for linear motion shaft:widely used in digital four-coordinate measuring equipment such as precision equipmDIKACA DIKACA 8Mm Flange Linear Bearings Extra Long Steel Ball Bearing Bushings for 3D Printer DIY Ultimaker2 Um2 Linear Shaft Linear ball bearing:this product is easy to operate, can reduce vibration and unwanted noise,3D Printer Flange Linear BeXHFTFNLTI 1pcs Linear Bearing Slider, Model SCS10UU, Length 10mm, with Flange Bearing, Mainly used for CNC Parts, 3D Printer Parts BearingsQinlorgo Bearing Block, Guide Rail Linear Guide Linear Guide Rail Bearing Slide Block 300mm12mm SBR12UU Linear Bearing Linear Sli iplusmile iplusmile 2pcs Linear Bearings Plated Flange Linear Ball Bearings for Printer for DIY Printer Projects Circular linear ball bearing: this flange linear ball bearing is manufactured with steel material, special and unique fouxcell uxcell 2Pcs LM4UU Linear Bearing 4mm Bore 8mm OD 12mm Length Linear Ball Bearings Double Side Rubber Sealed Bearing Stee TWO RUBBER SEALS FOR DUSTPROOF: These ball bearings are dust-sealed with two rubber seals to prevent the ingress of dirtuxcell uxcell 2Pcs LM3UU Linear Bearing 3mm Bore 7mm OD 10mm Length Linear Ball Bearings Double Side Rubber Sealed Bearing Stee TWO RUBBER SEALS FOR DUSTPROOF: These ball bearings are dust-sealed with two rubber seals to prevent the ingress of dirtLrocaoai Linear, 25mm Bore Dia, 40mm OD, 59mm Length (LM25UU Pack of 8) Smooth moving, low friction, high rigidity and long working lifeVEVOR VEVOR 2PCS Linear Motion Rod, 20 mm x 1200 mm (0.79 x 47.24 in), SFC20 Carbon Steel Linear Rod Shaft, Anti Rust and High 2-Piece Linear Motion Rods: This set includes two 20 mm diameter, 1200 mm long linear rail shafts. The high-compatibilituxcell 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 DiameterTOVINANNA TOVINANNA Linear Bearing 8Mm Extra Long Flange Ball Bearing Bushings 2Pcs for 3D Printer DIY Applications Including Ulti Square linear bearings:linear bearing is a linear , used in conjunction with a cylindrical shaft with an infinite strokeAGHIKMOQS AGHIKMOQS Pillow Block Bearing, Linear Bushing Shaft Guide Rail Slide Bearing Long Type Linear Bearing Multiple Models(L The surface of is well made to give you a smooth grip, and it is rust and corrosion resistant to provide a beautiful looCryfokt Cryfokt Linear Rail, Double Z‑Axis Linear Slide Rail Bearing Sliding Block with Carriage Block, Steel Miniature Sliding 【EFFECT】The linear rail improved Z‑axis accuracy, which can reduce Z‑axis stratification, offset, and distortion of highMarhynchus Marhynchus Miniature Linear Rail Precision Machined密加工 Mini Linear Sliding Guideway for Ender 3 CNC 3D Printer Upgrading [COMPACT AND LIGHTWEIGHT DESIGN] Small in size and lightweight, this linear rail is ideal for various applications.MUSISALY MUSISALY 2Pcs 8Mm Extra Long Flange Linear Bearings Lmk8Uu 3D Printer DIY Motion Ball Bearings for Ultimaker2 Linear Sha Linear ball bearing--linear bearing is a linear , used in conjunction with a cylindrical shaft with an infinite stroke,BLokkr 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 madLokkr 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 madcizihuu 4PCS Linear Bearing Rail Shaft Support,SK10 10mm Linear bearing widely used in electronic equipment,Levemolo Levemolo 3D Printer Flange Linear Bearings 8Mm Extra Long Ball Bearing Bushings 2Pcs High Grade Steel Material for DIY U 3d printer bearing:made of high grade bearing steel material, ,Ball Bearing BushingsHolibanna Holibanna Ball Bearing Bushings 8Mm Linear Bearings Flange 2Pcs for 3D Printer Linear Motion Shaft DIY Accessories 3d printer flange linear bearings--this product is easy to operate, can reduce vibration and unwanted noise,Square Flanguxcell uxcell 6pcs LM5UU Linear Ball Bearings, 5mm Bore 10mm OD 15mm Long Linear Bearing for CNC, 3D Printer Size: Model: LM5UU; Material: 45# Steel; Bore Diameter: 5mm; Outer Diameter: 10mm; Total Length: 15mmGeneric Generic Open Linear Bearing Slide Block SBR20UU 20mm Inner Diameter Linear Motion Shaft Block Ball Bearing Guide Rail Sl Precision Linear Motion Solutions The Slider Rail in Linear Motion Guides category delivers smooth and accurate positionTOBBOMEY TOBBOMEY 2pcs Sbr12 Linear Bearing Blocks Open Type Slide Blocks with Locking Linear Motion Rail Bearings for Cnc Machin Bearing slide block:sliding bearing block features an open design for easy installation and maintenance,linear guide raiKichvoe Kichvoe 6pcs Linear Bearing Blocks Metal Deep Groove Ball Bearing for Printer Accessories Embroiderer Replacement Parts Wide usability: suitable as a printer metal bearing for both printer and embroiderer components, this versatile bearingLOLIPPYY LOLIPPYY 2pcs Sbr12 Linear Bearing Blocks Open Slide Linear Motion Rail Block Slide for Cnc Machines and Industrial Auto Linear bearings--sliding bearing block features an open design for easy installation and maintenance,linear bearing slid