Corrosion-Resistant 304 Stainless Steel DIN 988 Spacer Washers for Bearings
Price:
Negontiation
MOQ:
20000
Delivery Time:
7-25DAYS
Brand:
YB
Product Description
304 Stainless Steel DIN 988 Precision Shim Washers
Our 304 Stainless Steel DIN 988 Shim Washers (also known as adjusting or support washers) are ultra-precision flat spacers designed to adjust axial clearances and eliminate play in mechanical assemblies. Manufactured strictly in accordance with DIN 988 standards using premium-grade SS304, these thin shims offer exceptional thickness tolerance and excellent corrosion resistance.
Technical Specifications
| Parameter | Specification Details |
|---|---|
| Standard | DIN 988 (Shim Washers / Supporting Rings) |
| Material | Authentic 304 Stainless Steel (SUS304 / A2) |
| Thickness Range | 0.1mm, 0.2mm, 0.3mm, 0.5mm, 1.0mm, up to 2.0mm |
| Inner Diameter (d1) | 3mm to 100mm+ |
| Outer Diameter (d2) | 6mm to 120mm+ |
| Thickness Tolerance | Micro-level precision (compliant with DIN 988 strict limits) |
| Surface Finish | Plain, Deburred, Cleaned and Lightly Oiled (upon request) |
Dimension Table (mm)
| d | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
|---|---|---|---|---|---|---|---|---|
| MIN | 3.02 | 4.03 | 5.03 | 6.03 | 7.04 | 8.04 | 9.04 | 10.04 |
| Max | 3.12 | 4.15 | 5.15 | 6.15 | 7.19 | 8.19 | 9.19 | 10.19 |
| dc | 6 | 8 | 10 | 12 | 13 | 14 | 15 | 16 |
| MIN | 5.85 | 7.81 | 9.81 | 11.77 | 12.77 | 13.77 | 14.77 | 15.77 |
| Max | 5.97 | 7.96 | 9.96 | 11.95 | 12.95 | 13.95 | 14.95 | 15.95 |
Key Features & Advantages
- High-Precision Thickness Tolerance: Rigorous precision rolling and stamping processes guarantee ultra-tight thickness tolerances for stable performance in high-RPM rotating shafts.
- Premium 304 Stainless Steel: Superior resistance to chemicals, moisture, and oxidation - perfect for food processing, marine, and outdoor operations.
- Flawless Flatness & Burr-Free Edges: Advanced fine-blanking technology ensures excellent flatness and perfectly rounded, burr-free edges to prevent stress concentration.
- Comprehensive Thickness Stacking Options: Mixed-thickness assortment kits or single-size bulk packages allow precise clearance compensation through stacking.
Typical Industrial Applications
- Bearing Preloading: Adjusting the distance between bearings to reduce noise and friction
- Gearbox & Transmission Systems: Setting precise backlash and gear meshing
- Pumps & Valves: Aligning impellers and sealing rings to prevent fluid leakage
- Electric Motors: Controlling the axial movement of the motor rotor shaft
Why Partner With Us?
Integrated Supply Chain Advantage: Based in the Yangtze River Delta manufacturing zone, we offer efficient lead times and competitive direct-factory pricing.
Custom Stamping Capabilities: We can develop custom tooling for your specific internal/external diameter specifications when standard dimensions don't fit.
Material Guarantee: 100% verifiable 304 stainless steel with Material Test Certificates (MTC) and SGS reports available for every batch.
B2B Logistics Expertise: Flexible trade terms including FOB, CIF, and CPT with secure bulk packaging for international transit protection.
Custom Stamping Capabilities: We can develop custom tooling for your specific internal/external diameter specifications when standard dimensions don't fit.
Material Guarantee: 100% verifiable 304 stainless steel with Material Test Certificates (MTC) and SGS reports available for every batch.
B2B Logistics Expertise: Flexible trade terms including FOB, CIF, and CPT with secure bulk packaging for international transit protection.
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
NINGBO YONGBIAO FASTENER CO.,LTD
Location
No.1 Lufeng Industrial Park, Wuxiang Town, Yinzhou District, Ningbo City, Zhejiang, China
Contact Person
Amylin