W 61909-2Z
W Series Stainless Steel Bearings
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W 61909-2Z Bearing Product Overview & Core Advantages
The W 61909-2Z is a single row deep groove ball bearing designed for high-performance applications requiring reliability and precision. Engineered with stainless steel construction throughout (rings, balls, and cage), it offers excellent corrosion resistance. Its key advantage lies in its ability to efficiently handle radial loads, supported by a shielded (2Z) design that retains factory-applied grease and protects against contaminant ingress. This combination delivers a compact, long-lasting solution ideal for applications demanding smooth operation and minimal maintenance.
W 61909-2Z Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| W | Stainless Steel bearing |
| 61909 | Basic bearing designation (Deep Groove, 45mm bore, 68mm OD, 12mm width) |
| 2Z | Shielded on both sides. Protects against contaminants and retains lubrication. |
W 61909-2Z Bearing Structural Features & Performance Benefits
Corrosion Resistance: The all-stainless steel construction (rings, balls, cage) ensures reliable performance in humid or corrosive environments, extending bearing service life.
Radial Load Capacity: The deep groove raceway and precision construction are optimized to support significant radial dynamic load ratings (2720 lbf) and radial static load ratings (2428 lbf).
Sealed & Lubricated for Life: The shielded (2Z) design effectively seals the bearing, retaining the pre-applied grease and excluding contaminants. This creates a maintenance-free solution for the operational life of the bearing in many applications.
Precision & Speed: Manufactured to P0 tolerance class with CN radial internal clearance, it provides consistent, smooth operation. The design supports a limiting speed of 10,000 rpm, suitable for various high-speed mechanisms.
W 61909-2Z Bearing Typical Application Areas
- Food Processing and Packaging Machinery
- Medical and Dental Equipment
- Chemical Handling Pumps and Mixers
- Precision Instruments and Optical Devices
- Agricultural Machinery (in corrosive environments)
- Electric Motors and Small Gearboxes
