Table of Contents
Product Information & Parameter Comparison
High Precision 3304/5304/3305/5305 2Z/2RS Series Specifications
| Model |
Bore Diameter (mm) |
Outer Diameter (mm) |
Width (mm) |
Load Rating (kN) |
Seal Type |
| 3304-2Z/2RS |
20 |
52 |
22.2 |
19.5 |
Double Shielded/Rubber Sealed |
| 5304-2Z/2RS |
20 |
52 |
30.2 |
28.7 |
Double Shielded/Rubber Sealed |
Key Technical Advantages
- 25° contact angle for axial-radial load balance
- ABEC-3 precision grade (±0.0025mm runout)
- Operating temperature: -30°C to +120°C
Detailed Applications
Industrial Pneumatic Systems
Optimized for reciprocating motion in pneumatic cylinders, achieving 500,000+ cycles at 2.5MPa pressure.
Medical Equipment
FDA-compliant lubrication for MRI machine rotating assemblies (0.01μm vibration threshold).
Installation Guidelines
Pre-Installation Checklist
| Step |
Technical Requirement |
| 1. Shaft Preparation |
Ra ≤ 0.4μm surface finish, IT5 tolerance |
| 2. Thermal Mounting |
Max 110°C heating, ΔT ≤ 80°C/min |
Application Case Studies
Case 1: Automated Packaging Line
Replaced competitor bearings in a 24/7 operation, reducing downtime from 8hrs/week to 15min/month.
Case 2: Semiconductor Handling Robots
Achieved 0.008μm positioning accuracy in cleanroom environments (Class 100).
Verified Client Success Stories
Client A: European Pneumatic Manufacturer
- Industry: Industrial Automation
- Challenge: Seal failure at 15 RPM oscillation
- Solution: 5305-2RS with HNBR seals
- Result: 18-month maintenance interval achieved
Client B: Chinese Medical Device Maker
- Application: CT Scanner Gantry
- Requirement: EMI shielding + lubricant containment
- Customisation: Conductive 3304-2Z variant
- Outcome: Passed IEC 60601-1 compliance
Request Customised Solutions
Technical Consultation Services
Our bearing engineers provide.
- 3D CAD models with ISO 13399 metadata
- FEA analysis reports (ANSYS compatible)
- L10 life calculations per ISO 281
Contact Our Specialists
Email. info@vivalr.com
Tel. (86) 15866781826
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