626 2RS Bearing Material 420 Stainless Steel
626 2RS bearing material 420 stainless steel has stainless steel construction, providing strong rust and corrosion resistance. Equipped with double rubber seals (2RS), it effectively blocks dust and moisture, reducing internal wear. Its compact 626 size and low friction ensure smooth rotation, suitable for light-duty, humid or mildly corrosive small-scale scenarios.
- Product Introduction
Basic Parameters
| Item | Specification |
|---|---|
| Bearing Model | SS626 ZZ / SS626 2RS |
| 600Inner Diameter (d) | 6 mm |
| Outer Diameter (D) | 19 mm |
| Width (B) | 6 mm |
| Weight | 0.0078 KG |
| Bearing Type | Deep Groove Ball Bearing |
| MOQ (Minimum Order Quantity) | 500 pcs |
| HS Code | 84821020 |
| Sample Service | Available |
| Number of rows | Single row |
| Rolling Element | Ball Bearing |
Reference Drawing
Technical Specs
| Item | Specification |
|---|---|
| Material |
420 Stainless Steel (Standard) Optional: 304 / 316 / 440 Stainless Steel |
| Precision Class | ISO P0 | ISO P6 | ISO P5 |
| Seal Type | SS6005 ZZ / SS6005 2RS |
| Operating Temp | -30℃ ~ +120℃ |
| Lubrication | Food Grade Grease (Standard) |
| Clearance | C0-Medium/C3-Loose/C2 |
Material Selection HAXB SS626 ZZ / SS626 2RS is available in multiple stainless steel grades:
- **420 (Standard)**: Cost-effective, good hardness, basic corrosion resistance, ideal for general applications.
- **304**: Excellent anti-rust & corrosion resistance, stable performance, the most widely used.
- **316**: Superior corrosion resistance, acid/alkali & seawater proof, perfect for harsh environments.
- **440**: High hardness & wear resistance, high precision, suitable for heavy load & high speed.
Application & Info
| Application Fields | Typical Equipment |
| Home appliances | fans, hair dryers, small motors |
| Office equipment | printers, copiers, shredders |
| Power & electric tools | small grinders, electric screwdrivers |
| Fitness & medical devices | massage equipment, precision instruments |
| Electronic products | toys, and automation components |
Recommended fit tolerance:
| Part | Fit Type | ISO Tolerance | Purpose |
| Shaft (inner ring) | Rotating inner ring | h5 / js5 | Light interference / transition fit |
| Rotating, medium load | k5 | Slight interference (stable) | |
| High speed / precision | m5 | Moderate interference | |
| Housing (outer ring) | Stationary outer ring | H7 / G7 | Clearance / light transition |
| Outer ring rotates | K7 / M7 | Transition / slight interference |
Key Tolerance Values (μm)
Bore tolerance (d): 0 / −8 μm (Normal) | 0 / −6 μm (P6)
Outer diameter (D): 0 / −10 μm (Normal) | 0 / −8 μm (P6)
Width (B): 0 / −120 μm
Radial internal clearance (C0): 2–13 μm
Mounting Notes
Shaft/housing surface roughness: Ra ≤ 1.6 μm
Fillet radius (r): max 0.3 mm
Shaft shoulder (dₐ): min 8.4 mm; Housing shoulder (Dₐ): max 16.6 mm
SS626 Installation Notes
1. Clean shaft/housing thoroughly; remove burrs and dirt.
2. Press evenly on **inner/outer ring faces**; avoid hammering directly.
3. Use soft metal sleeve for pressing; align axially to prevent tilting.
4. Ensure proper fit tolerance; do not over-tighten.
5. Apply proper lubrication; keep bearing sealed from contamination.
6. Check smooth rotation after mounting; no abnormal noise or resistance.
Product Images
Why Choose HAXB for SS626 ZZ / SS626 2RS?
HAXB SS626 ZZ/2RS bearings stand out for premium stainless steel construction, precision manufacturing, and customized sealing solutions. They deliver superior corrosion resistance, low noise, high speed, and long service life, backed by strict quality control and professional OEM/ODM support, making them ideal for demanding small precision equipment.
Paragraph 1:HAXB uses high-grade 304/316/440 stainless steel for SS626 ZZ/2RS, ensuring excellent rust and corrosion resistance for harsh environments. ZZ offers metal shields for low-friction high-speed operation; 2RS provides dual rubber contact seals for superior dust/water protection. Both are factory pre-lubricated, ensuring stable, maintenance-free performance.
Paragraph 2:
Manufactured with tight ISO tolerances and super-finished raceways, HAXB SS626 bearings achieve low noise, low vibration, and smooth high-speed rotation. Strict in-process inspection guarantees consistent quality, with long service life and reliable performance in small motors, home appliances, medical devices, and automation equipment.
Paragraph 3:As a professional bearing manufacturer, HAXB has advanced production lines and strict quality systems. We offer flexible customization for SS626 ZZ/2RS, fast delivery, and comprehensive technical support. Competitive pricing, reliable quality, and responsive after-sales service make HAXB your trusted partner for miniature bearing solutions.
Application:
HAXB SS626 miniature bearings are widely used in electronic products, toys, and automation components. They ensure stable rotation, low noise, and long service life for small motors, smart devices, electric toys, robotic parts, and precision automation equipment. With reliable performance and compact design, they perfectly meet the requirements of smooth operation and high efficiency in modern small mechanical systems.
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