Deep Groove Ball Bearing Metal Shielded Bearings All Size Rotation Bearings
Deep Groove Ball Bearing Metal Shielded Bearings All Size Rotation Bearings
Deep Groove Ball Bearing Metal Shielded Bearings All Size Rotation Bearings
Deep Groove Ball Bearing Metal Shielded Bearings All Size Rotation Bearings
Deep Groove Ball Bearing Metal Shielded Bearings All Size Rotation Bearings
Deep Groove Ball Bearing Metal Shielded Bearings All Size Rotation Bearings
Deep Groove Ball Bearing Metal Shielded Bearings All Size Rotation Bearings
Deep Groove Ball Bearing Metal Shielded Bearings All Size Rotation Bearings
Deep Groove Ball Bearing Metal Shielded Bearings All Size Rotation Bearings
Deep Groove Ball Bearing Metal Shielded Bearings All Size Rotation Bearings
Deep Groove Ball Bearing Metal Shielded Bearings All Size Rotation Bearings
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Deep Groove Ball Bearing Metal Shielded Bearings All Size Rotation BearingsDeep Groove Ball Bearing Metal Shielded Bearings All Size Rotation BearingsDeep Groove Ball Bearing Metal Shielded Bearings All Size Rotation BearingsDeep Groove Ball Bearing Metal Shielded Bearings All Size Rotation BearingsDeep Groove Ball Bearing Metal Shielded Bearings All Size Rotation BearingsDeep Groove Ball Bearing Metal Shielded Bearings All Size Rotation BearingsDeep Groove Ball Bearing Metal Shielded Bearings All Size Rotation BearingsDeep Groove Ball Bearing Metal Shielded Bearings All Size Rotation BearingsDeep Groove Ball Bearing Metal Shielded Bearings All Size Rotation BearingsDeep Groove Ball Bearing Metal Shielded Bearings All Size Rotation BearingsDeep Groove Ball Bearing Metal Shielded Bearings All Size Rotation Bearings

Deep Groove Ball Bearing Metal Shielded Bearings All Size Rotation Bearings

HomeDIYer
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By HomeDIYer®

Price:
$1.48 USD
Stock:
In stock (500 units), ready to be shipped

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Description

Deep Groove Ball Bearings — Reliable Rotation for Every Build

When a wobbly shaft, noisy wheel hub, or seized pivot point brings your project to a halt, the right deep groove ball bearing makes all the difference. Whether you are a maker building a CNC router, a hobbyist repairing a skateboard, or a technician servicing small motors, these metal-shielded rotation bearings deliver consistent, low-friction performance across a wide range of applications.

Each bearing features a deep groove raceway design with dual ZZ metal shields (or RS rubber seal on select sizes) to keep contaminants out and grease in. Available in 440 Stainless Steel and 304 Stainless Steel, with inner diameters ranging from 3 mm (0.12 in) to 65 mm (2.56 in) and outer diameters from 9 mm (0.35 in) to 130 mm (5.12 in). Thickness spans 4 mm (0.16 in) to 31 mm (1.22 in) depending on the series selected.

These bearings suit a broad range of use cases: precision spindle assemblies requiring low-noise deep groove ball bearings, RC car and drone builds needing lightweight stainless steel miniature bearings, and industrial repair work calling for corrosion-resistant ZZ shielded bearings in wet or chemically exposed environments.

⚙️ Compatibility: Fits standard metric bearing housings. Verify your bore diameter, outer diameter, and width against the Size (ID×OD×T) option before ordering. Series covered: 600, 620, 623–629, 624–629, 68x, 69x, 6000–6010, 6200–6210, 6300–6310, 6800–6813.

✅ Key Features of These Deep Groove Ball Bearings

🛡️Dual ZZ Metal Shields
Pressed-steel shields on both sides retain factory grease and block dust, swarf, and light moisture without adding significant drag — ideal for enclosed housings and high-speed rotation.
🔩Two Stainless Steel Grades
440 Stainless Steel offers higher hardness and load capacity for demanding mechanical applications. 304 Stainless Steel provides superior corrosion resistance for marine, food-adjacent, or humid environments.
📐Wide Size Range in One Listing
From compact S603ZZ (3×9×5 mm / 0.12×0.35×0.20 in) to heavy-duty S6312ZZ (60×130×31 mm / 2.36×5.12×1.22 in), covering miniature, standard, and medium-load series in a single product page.
⚡Low-Friction Deep Groove Raceway
The deep groove geometry accommodates radial loads and moderate axial loads in both directions, supporting smooth, quiet rotation in motors, fans, wheels, and precision instruments.
📦Flexible Quantity Options
Order 1 piece for a single repair or 5 pieces for a project build or spare-parts stock. Per-unit pricing decreases at the 5-piece quantity, making it cost-effective to keep extras on hand.
🔄Drop-In Metric Replacement
Dimensioned to ISO/JIS metric standards, these bearings are direct replacements for OEM bearings in power tools, 3D printers, conveyor rollers, electric motors, and hobby RC equipment.

📐 Technical Specifications — Deep Groove Ball Bearings

Bearing Type Deep Groove Ball Bearing
Shield Type ZZ (dual metal shield); RS (rubber seal) on S6813RS
Material Options 440 Stainless Steel / 304 Stainless Steel
Inner Diameter (ID) 3 mm – 65 mm (0.12 in – 2.56 in) — see variant options
Outer Diameter (OD) 9 mm – 130 mm (0.35 in – 5.12 in) — see variant options
Width / Thickness (T) 4 mm – 31 mm (0.16 in – 1.22 in) — see variant options
Bearing Series 600 / 620 / 623–629 / 624–629 / 68x / 69x / 6000–6010 / 6200–6210 / 6300–6310 / 6800–6813
Dimensional Standard ISO / JIS metric
Lubrication Factory-greased (sealed, non-serviceable)
Operating Temperature See variant options
Available Quantities 1 Pcs / 5 Pcs

❓ Frequently Asked Questions

How do I choose the correct bearing size?

Match the three dimensions shown in the Size (ID×OD×T) option to your application: Inner Diameter (ID) must match your shaft diameter, Outer Diameter (OD) must fit your housing bore, and Thickness (T) must fit within your available axial space. Use a caliper to measure your existing bearing or shaft before ordering.

What is the difference between 440 and 304 Stainless Steel bearings?

440 Stainless Steel is a martensitic grade hardened for higher load capacity and wear resistance — a good choice for high-speed or high-load mechanical applications. 304 Stainless Steel is an austenitic grade with superior corrosion resistance, making it better suited for wet, marine, or chemically exposed environments where rust prevention is the priority.

What does ZZ mean on a bearing?

ZZ indicates dual metal (pressed-steel) shields on both sides of the bearing. The shields retain factory grease and block coarse contaminants without contacting the inner ring, which keeps friction low. They are not fully sealed against liquids — for wet environments, look for the RS (rubber seal) variant such as S6813RS.

Are these bearings compatible with my 3D printer, CNC router, or RC car?

These bearings follow ISO/JIS metric standards and are direct drop-in replacements for any application using the same ID×OD×T dimensions. Common fits include 608ZZ (8×22×7 mm) for skateboards and 3D printers, 6200ZZ (10×30×9 mm) for motors, and miniature 600-series bearings for RC and drone builds. Always confirm dimensions before ordering.

Can I use these bearings in a wet or outdoor environment?

Both stainless steel grades offer significantly better corrosion resistance than standard carbon steel bearings. For outdoor or marine use, 304 Stainless Steel is recommended for its superior rust resistance. The ZZ metal shields provide basic splash protection; for full submersion or high-pressure wash-down, consider an RS-sealed variant.

Should I buy 1 piece or 5 pieces?

If you need a single replacement for a repair, the 1 Pcs option is the most economical choice. If you are building a project that requires multiple bearings of the same size — such as a CNC machine, conveyor, or multi-axis robot — the 5 Pcs option offers a lower per-unit cost and ensures you have spares on hand for future maintenance.

What load types can these bearings handle?

Deep groove ball bearings are primarily designed for radial loads (perpendicular to the shaft). They also accommodate moderate axial (thrust) loads in both directions due to the deep raceway geometry. They are not suitable for heavy pure-thrust applications — for those, angular contact or thrust bearings are more appropriate.

🛒 Select your Material and Size (ID×OD×T) above, then add to cart.

 

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