8mm Bore 628ZZ Deep Groove Bearing for 3D Printers CNC & Electric Motors
Item No :
628ZZSize (d*D*B) :
8x24x8mmMaterial :
chrome steelPrecision :
P0Lead Time :
3-5 workdaysPayment Terms :
100% T/T, or 30% T/T in advance, 70% before delivery8mm Bore 628ZZ Deep Groove Bearing for 3D Printers CNC & Electric Motors
⚙️Product description:
The 628ZZ is a versatile, miniature deep groove ball bearing designed for high speeds and moderate radial loads. Featuring an 8mm inner diameter, 24mm outer diameter, and 8mm width, this bearing is precision-engineered from high-grade Chrome Steel (GCr15) to ensure durability and reduced friction.
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Item No. |
628ZZ |
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Size |
8x24x8 mm |
|
Sealing |
Open, ZZ, 2RS |
|
Material |
Chrome steel Gcr15, Stainless steel, etc. |
|
Lead Time |
3-5 days |
|
Precision |
p0 p6 p5 p4 |
|
Clearance |
C0 |
|
Load rating |
Dynamic Load (Cr)：3.35 KN (Approx.), Static Load (Cor)：1.40 KN (Approx.) |
|
Cage material |
Steel |
|
Shipping Port |
Guangzhou, Ningbo, Shanghai |
|
Payment |
100% T/T, or 30% T/T In Advance ,70% T/T After Finished Production |
Double Shielded (ZZ): Equipped with non-contact metal shields on both sides to prevent dust and debris entry while retaining factory-applied grease.
Precision Performance: Manufactured to ABEC-1 (P0) / ABEC-3 (P6) standards, ensuring smooth operation and low noise levels for sensitive equipment.
Maintenance-Free: Pre-lubricated with high-quality grease, ready to use right out of the box without the need for additional oiling.
Robust Material: Made from hardened Chrome Steel, offering superior hardness and wear resistance compared to carbon steel alternatives.
| Model No. | d | D | H | m | Model No. | d | D | H | m | |
| 623-2Z | 3 mm | 10 mm | 4 mm | 1 g | 628/7-2Z | 7 mm | 14 mm | 5 mm | 3.1 g | |
| 628/4-2Z | 4 mm | 9 mm | 3.5 mm | 1 g | E2.627-2Z | 7 mm | 22 mm | 7 mm | 13 g | |
| 624-2Z | 4 mm | 13 mm | 5 mm | 4 g | 627-2Z | 7 mm | 22 mm | 7 mm | 12 g | |
| 628/5-2Z | 5 mm | 11 mm | 4 mm | 1.4 g | 628/8-2Z | 8 mm | 16 mm | 5 mm | 3.6 g | |
| 625-2Z | 5 mm | 16 mm | 5 mm | 5 g | E2.628-2Z | 8 mm | 24 mm | 8 mm | 17 g | |
| E2.625-2Z | 5 mm | 16 mm | 5 mm | 5 g | 628-2Z | 8 mm | 24 mm | 8 mm | 18 g | |
| 628/6-2Z | 6 mm | 13 mm | 5 mm | 2.6 g | 628/9-2Z | 9 mm | 17 mm | 5 mm | 4.3 g | |
| E2.626-2Z | 6 mm | 19 mm | 6 mm | 8.4 g | E2.629-2Z | 9 mm | 26 mm | 8 mm | 20 g | |
| 626-2Z | 6 mm | 19 mm | 6 mm | 8 g | 629-2Z | 9 mm | 26 mm | 8 mm | 21 g |
Ideal for projects requiring an 8mm shaft, including:
• 3D Printers and CNC machines (Z-axis leadscrews).
• Small electric motors and power tools.
• Roller skates and caster wheels.
• DIY robotics and automation projects.
| 1. Keep clean | 2. Use with caution | 3. appropriate tool | 4. Hot-loading | 5. Be careful of rust |
| Dust will have a bad effect on the bearing, so keep the surrounding clean. | Strong impact during use can easily cause scratches and indentations. | Avoid replacing existing tools, and use appropriate tools. | Bearings are precision parts, so hot installation is recommended. | Sweat on your hands during operation will cause rust, so it is best to wear gloves. |
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