China Stainless Steel Ball Bearing SS625 2RS
China Stainless Steel Ball Bearing SS625 2RS has stainless steel construction, ensuring strong rust and corrosion resistance. Its double rubber seals (2RS) effectively block dust and moisture, reducing internal wear and extending service life. With a compact 625 size, it delivers low friction for smooth rotation, fitting humid or light-corrosive small scenarios.
- Product Introduction
Basic Parameters
| Item | Specification |
|---|---|
| Bearing Model | SS625 ZZ / SS625 2RS |
| 600Inner Diameter (d) | 5 mm |
| Outer Diameter (D) | 16 mm |
| Width (B) | 5 mm |
| Weight | 0.0047 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 | SS625 ZZ / SS625 2RS |
| Operating Temp | -30℃ ~ +120℃ |
| Lubrication | Food Grade Grease (Standard) |
| Clearance | C0-Medium/C3-Loose/C2 |
Material Selection HAXB SS625 ZZ / SS625 2RS is available in multiple stainless steel grades:
- **420 (Standard)**: Economical, good hardness and wear resistance for standard working conditions.
- **304**: Balanced performance, general corrosion resistance, widely adaptable.
- **316**: Premium corrosion protection, performs well in marine, moist and harsh environments.
- **440**: High strength, superior durability, designed for heavy-duty and wear-critical parts.
Application & Info
| Application Fields | Typical Equipment |
| Food & Beverage Machinery | Mixers, grinders, conveyors, hygienic pumps, filling machines |
| Packaging & Automation | Packaging equipment, automation instruments, light transmission devices |
| Marine & Hardware | Small marine hardware, coastal facilities, bathroom fittings |
| General Industry | Clean-water pumps, cooling fans, medical devices, light-duty equipment |
Recommended fit tolerance:
| Fit Type | Component | Tolerance | Application |
| Transition / Light Interference | Shaft (inner ring) | k6, m6 | Rotating inner ring, medium to heavy load, high corrosion, offshore / pump applications |
| Clearance / Transition | Housing (outer ring) | H7, J7 | Fixed outer ring, allows thermal expansion, general harsh environment |
| Locational Transition | Shaft | js6 | Light load, low speed, easy assembly |
| Non-locating fit | Housing | H8 | Requires outer ring to float slightly, vibration / thermal elongation conditions |
Fits based on ISO 286, normal precision class (P0).
SS625 has higher thermal expansion than carbon steel; avoid excessive interference at high temperatures.
Surface roughness Ra ≤ 0.8 μm for mating surfaces.
Installation Notes for SS625 Bearings
1. Clean all mating surfaces thoroughly; remove burrs and contaminants.
2. Apply force evenly on the tight‑fit ring; avoid direct hammering.
3. Use recommended fits (k6/m6 for shaft, H7/J7 for housing) to account for 4. thermal expansion.
4. Ensure proper lubrication; use corrosion‑resistant grease for harsh environments.
5. Check for smooth rotation after installation; secure all fasteners.
Product Images
Why Choose HAXB for SS625 ZZ / SS625 2RS?
HAXB SS625 bearings combine premium material, reliable sealing, and strict quality control. They deliver stable, long-lasting performance in corrosive, high-humidity, and harsh working environments.
Paragraph 1:
Our SS625 bearings feature outstanding corrosion and high-temperature resistance. They effectively prevent rust in seawater, chemical, and humid conditions, greatly extending service life.
Paragraph 2:
ZZ and 2RS sealing structures protect against dust, water, and contaminants. Pre-lubricated and well-sealed, they ensure smooth rotation and reduce maintenance in tough environments.
Paragraph 3:Manufactured with precise tolerances and strict inspection, HAXB bearings ensure stable fit and reliable operation. Stable quality makes them a trusted choice for industrial equipment.
Application:
625 bearings made of 420 stainless steel deliver stable rotation and reliable anti‑corrosion performance for packaging and automation equipment. They are widely used in automatic packaging machines, conveying systems, labeling machines, sealing equipment, and light‑duty transmission components. With good rust resistance and smooth operation, they ensure stable, long‑term running in continuous production environments, effectively reducing downtime and maintenance costs.
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