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Updated: 06 Apr 2026

10 Best Deep Groove Ball Bearings

#1 Best Pick
XIKE 2 pcs 6200-2RS 10x30x9mm Ball Bearings witn Double Rubber Seals, Bearing Steel and Pre-Lubricated, 6200RS Deep Groove Ball Bearing.

XIKE 2 pcs 6200-2RS 10x30x9mm Ball Bearings witn Double Rubber Seals, Bearing Steel and Pre-Lubricated, 6200RS Deep Groove Ball Bearing.

Brand: XiKe
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  • 6200-2RS 10 mm inside diameter, 30 mm outside diameter, 9 mm width
  • Composed of rugged bearing steel (GCr15 chrome steel) and rubber seals
  • Double sealing protects the internals for longer life
  • These bearings are commonly used in DIY projects, 3D printers, industrial, agricultural, engineering, horticultural machinery, engines, and generators.
  • XIKE bearings are your simple and efficient choice
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#2 Best Value
EMSea 4X Deep Groove Ball Bearing 6000ZZ 10X26X8mm Bearing Steel Plated Chrome with Metal Double Sealed for Agricultural Construction Engineering Machinery

EMSea 4X Deep Groove Ball Bearing 6000ZZ 10X26X8mm Bearing Steel Plated Chrome with Metal Double Sealed for Agricultural Construction Engineering Machinery

Brand: EMSea
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  • [Type] : This is a 6000ZZ deep groove ball bearings , 10mm/0.39inch inner diameter, 26mm/1.021inch outer diameter, and 8mm/0.31inch thickness.
  • [Durable Material] : Made of high-quality bearing steel, high hardness, durability and long service life.
  • [Metal Double Sealed] : Closed with metal shields to protect the bearings from dust or other foreign matter, and has the features of small friction and high-limit speed.
  • [Widely Application] : Deep groove ball bearings can be used in gearboxe box, instrumentation, motors, household appliances, internal combustion engines, transportation vehicles, agricultural machinery, construction machinery, engineering machinery, roller skates, Yo-Yo and so on.
  • [Package List : Contains 4pcs deep groove ball bearings which pre-Lubricated, easy to maintain.
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#3 Budget Pick
624ZZ Deep Groove Ball Bearings - 12PCS (4mm x 13mm x 5mm) for Skateboard,3D Printer, DIY Mechanical Transmission Parts

624ZZ Deep Groove Ball Bearings - 12PCS (4mm x 13mm x 5mm) for Skateboard,3D Printer, DIY Mechanical Transmission Parts

Brand: Heeke
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  • 🧰【SUPERIOR 624ZZ BEARINGS】-- These high-quality miniature ball bearings are designed with closed and protected sides to effectively prevent dust and debris from entering, ensuring reliable and long-lasting performance.
  • 🧰【PRODUCT SIZE】-- 624ZZ Deep Groove Ball Bearings, featuring a compact design with an inner diameter of 4mm, outer diameter of 13mm, and a thickness of 5mm.
  • 🧰【EASY TO USE】-- Crafted from precision steel material, these 624ZZ bearings exhibit excellent weighing performance while remaining highly cost-effective. The bearings are also designed for easy replacement, providing convenience and flexibility in various applications.
  • 🧰【WIDE APPLICATION】-- With their versatile nature, these 624ZZ Deep Groove Ball Bearings find wide applications across different industries. They are commonly utilized in skateboards, roller skates, DIY household or office wheeled furniture, 3D printers, industrial equipment, motor parts, and rail parts.
  • 🧰【PACKAGE INCLUDE】-- Each package includes 12PCS of top-notch 624ZZ Bearings, ensuring you have an ample supply to meet your requirements. Invest in these reliable and high-performing miniature ball bearings to enhance the efficiency and functionality of your equipment and systems.
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#4 Top Choice
Mardatt 40PCS 693ZZ Ball Bearings Assortment Kit, 3 x 8 x 4mm, Carbon Steel Deep Groove Bearings, Double Shielded Bearings for Low-Speed Transmission Equipment, Casters

Mardatt 40PCS 693ZZ Ball Bearings Assortment Kit, 3 x 8 x 4mm, Carbon Steel Deep Groove Bearings, Double Shielded Bearings for Low-Speed Transmission Equipment, Casters

Brand: Mardatt
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  • 🥇 What You Will Get: You will receive 40pcs 693ZZ ball bearings (Inner Dia.=3mm, Outer Dia.=8mm, Thickness=4mm), enough quantity to meet your various needs, come with a plastic box for easy storage.
  • 🥇 Carbon Steel Ball Bearings: These deep-groove ball bearings are made of carbon steel, offer excellent durability and deformation resistance under heavy loads. They effectively absorb vibrations and impacts, reduce noise, minimize energy loss, and enhance transmission efficiency. Pre-lubricated design, suitable for long-term low-load operating conditions.
  • 🥇 Pre-Lubricated Design: The deep groove ball bearings keep the lubricant inside, which will prolong the service life of the product and ensuring smooth and low friction operation operation, reducing the need for frequent maintenance. Note: Water may rust the bearings. Please avoid prolonged contact with damp environments when using.
  • 🥇 Fine Manufacturing: Double-sided metal shield effectively effectively blocks larger particles of dust and debris, prevent lubricant leakage and ensure that the inner lubrication is preserved over time. The bearings have been meticulously designed with precise inner and outer ring fits, ensuring stable operation and reduced energy loss.
  • 🥇 Range of Application: Mardatt ball bearings are manufactured from carbon steel with with an untreated surface finish in jet-black. Designed for low-speed operation under 200 RPM, it features an inner bore with a machining tolerance of ± 0.08mm. Suitable for low-demand applications such as low-speed transmission equipment, casters, and son on.
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#5 Popular Choice
EMSea 20pcs 683ZZ Ball Bearings 3mmx7mmx3mm Double Shielded Deep Groove Bearings 683-2Z Deep Groove Ball Bearings Toy Miniature Bearings, Carbon Steel

EMSea 20pcs 683ZZ Ball Bearings 3mmx7mmx3mm Double Shielded Deep Groove Bearings 683-2Z Deep Groove Ball Bearings Toy Miniature Bearings, Carbon Steel

Brand: EMSea
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  • Applicability: This 683ZZ ball bearing is suitable for toys and models.
  • Dimensions: outer diameter: 7mm, inner diameter: 3mm, thickness: 3mm.
  • Material: Made of carbon steel, durable and resistant to deformation under heavy loads.
  • Features: Double shielded deep groove bearing has dust covers on both sides to prevent dust from entering and maintain lubrication.
  • Packaging: Each package includes 20pcs 683ZZ ball bearings.
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#6 Top Pick
20pcs 625zz Deep Groove Ball Bearings, 5mm Bore 16mm OD 5mm Thick Carbon Steel Double Shielded Bearing for Motors, Double Rubber Sealed Ball Bearing Pre-Lubricated Chrome Steel

20pcs 625zz Deep Groove Ball Bearings, 5mm Bore 16mm OD 5mm Thick Carbon Steel Double Shielded Bearing for Motors, Double Rubber Sealed Ball Bearing Pre-Lubricated Chrome Steel

Brand: Kaslaider
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  • 【✅ Size】10pcs 6201zz Sealed Bearings,(I.D.=12mm, O.D.=32mm, Thickness=10mm). / 20pcs 625zz Sealed Bearings,(I.D.=5mm, O.D.=16mm, Thickness=5mm). Precision metric miniature ball bearing, both sides rubber sealed, pre-lubricated with grease.
  • 【✅ Bearing Steel Material】Made of chrome steel, durability and resistance to under heavy loads. Chrome steel bearings offer excellent strength, hardness, wear resistance, and corrosion resistance.
  • 【✅ Double Rubber Sealed Bearings】 Provides excellent protection against dust, dirt, and moisture, ensuring smooth operation and extending its lifespan. High temperature resistance. Resistance to high load.
  • 【✅ Precision Bearing】 Lower manufacturing tolerances compared to lower-rated bearings, resulting in smoother rotation and less friction. The noise level enables it to provide a quieter working environment.
  • 【✅ Wide Application】Suitable for electric motors, robotics systems, skating, rollerblades, skateboards, fidget spinner, RC cars, RC helicopters, lab equipment, jewelry, hand piece, miniature gearboxes, small motors, electric Fans, automotives and other fields.
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#7 Top Pick
625ZZ Deep Groove Ball Bearings - 12PCS (5mm x 16mm x 5mm) for Skateboard,3D Printer, DIY Mechanical Transmission Parts

625ZZ Deep Groove Ball Bearings - 12PCS (5mm x 16mm x 5mm) for Skateboard,3D Printer, DIY Mechanical Transmission Parts

Brand: Heeke
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  • 🧰【SUPERIOR 625ZZ BEARINGS】-- These high-quality miniature ball bearings are designed with closed and protected sides to effectively prevent dust and debris from entering, ensuring reliable and long-lasting performance.
  • 🧰【PRODUCT SIZE】-- 625ZZ Deep Groove Ball Bearings, featuring a compact design with an inner diameter of 5mm, outer diameter of 16mm, and a thickness of 5mm.
  • 🧰【EASY TO USE】-- Crafted from precision steel material, these 625ZZ bearings exhibit excellent weighing performance while remaining highly cost-effective. The bearings are also designed for easy replacement, providing convenience and flexibility in various applications.
  • 🧰【WIDE APPLICATION】-- With their versatile nature, these 625ZZ Deep Groove Ball Bearings find wide applications across different industries. They are commonly utilized in skateboards, roller skates, DIY household or office wheeled furniture, 3D printers, industrial equipment, motor parts, and rail parts.
  • 🧰【PACKAGE INCLUDE】-- Each package includes 12PCS of top-notch 625ZZ Bearings, ensuring you have an ample supply to meet your requirements. Invest in these reliable and high-performing miniature ball bearings to enhance the efficiency and functionality of your equipment and systems.
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#8 Top Pick
EMSea 10x MR128-2RS Deep Groove Ball Bearing 8x12x3.5mm Chrome Steel with Double Shielded Sealed for Toy Model Fitness Equipment Sport Equipment

EMSea 10x MR128-2RS Deep Groove Ball Bearing 8x12x3.5mm Chrome Steel with Double Shielded Sealed for Toy Model Fitness Equipment Sport Equipment

Brand: EMSea
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  • [Type] : MR128-2RS deep groove ball bearings, 8mm inner diameter, 12mm outer diameter, and 3.5mm thickness.
  • [Durable Material] : Made of chrome steel, durability and resistance to deformity under heavy loads.
  • [Double Sealed] : Closed with double shields to protect the bearings from dust or other foreign matter, and has the features of small friction and high speed operation.
  • [Widely Application] : The speed is about 3000 rpm, fit for medium speed toy models, fitness equipment, low-speed motors, sports equipment, etc.
  • [Package] : Includes 10pcs deep groove ball bearings, with pre-lubricating function, easy to maintain.
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#9 Top Pick
XIKE 698-2RS Sealed Ball Bearings 8x19x6mm, Bearing Steel|Pre-Lubricated|Double Rubber Seals|694RS Miniature Deep Groove Ball Bearing, Pack of 10.

XIKE 698-2RS Sealed Ball Bearings 8x19x6mm, Bearing Steel|Pre-Lubricated|Double Rubber Seals|694RS Miniature Deep Groove Ball Bearing, Pack of 10.

Brand: XiKe
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  • ✔ Dimensions: Bore diameter 8 mm, Outside diameter 19 mm, Width 6 mm.
  • ✔ Material: bearing steel, supplemented by rubber seals. Long lasting performance and robustness.
  • ✔ Sealing: Double sealing requires less maintenance than other bearing types.
  • ✔ Characteristics: Low friction and high-speed capability, can accommodate radial and axial loads in both directions.
  • ✔ Application: commonly used in DIY, 3D printers, industry, agriculture, engineering, garden machinery , motors and generators etc.
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#10 Top Pick
608RS Ball Bearings (8x22x7) 20 Pcs, 608-2RS Skateboard Bearings Rubber Sealed Deep Groove Ball Bearing for 3D Printer Wheel, Roller Skates, Inline Skates, Scooters etc

608RS Ball Bearings (8x22x7) 20 Pcs, 608-2RS Skateboard Bearings Rubber Sealed Deep Groove Ball Bearing for 3D Printer Wheel, Roller Skates, Inline Skates, Scooters etc

Brand: Ausmason
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  • 【Product Model】Deep groove ball bearings, Model: 608-2RS. (RS stands for single-sided seal. Although 608RS is printed on both sides of our bearings, the actual model number is 608-2RS.)
  • 【Bearing Dimensions】Bearings have a 8 mm inner diameter, a 22 mm outer diameter, and a 7 mm thickness.
  • 【Premium Material】Adopting premium bearing steel material, solid enough for a long term use.
  • 【Rubber Seal】They are rubber sealed on both sides to avoid contaminants entering and save lubricant.
  • 【Wide Applications】Ideal for industrial machines, cars, ships, household appliances, health care system, etc.
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