W 6307-2Z
W Series Stainless Steel Bearings
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Part No.
Part No.
W 6307-2Z
Basic Information
Bearing type
Ball
System of measurement
Metric
Construction
Single Row
Weight
0.44 kg
Tolerance class
P0
Seal type
Shielded
For load direction
Radial
Main Dimensions
Bore diameter
35 mm
Bore diameter tolerance
-0.012mm to 0
Outside diameter
80 mm
Outside diameter tolerance
-0.013mm to 0
Width
21 mm
Width tolerance
-0.12mm to 0
Performance
Temperature range
-30° to 120 °C
Radial dynamic load rating
6430 lbf
Radial static load rating
4271 lbf
Limiting speed
10 X 1000 rpm
Lubrication
Grease
Radial internal clearance
CN
Materials
Ring material
Stainless Steel
Ball material
Stainless Steel
Cage material
Stainless Steel
Environment & Compliance
REACH
Compliant
ROHS
Compliant
Technical Drawings
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In Stock
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W 6307-2Z Bearing Product Overview & Core Advantages
The W 6307-2Z is a single row deep groove ball bearing designed for high performance and reliability in demanding applications. Constructed entirely from stainless steel, it offers excellent corrosion resistance. Its key advantage lies in its ability to handle significant radial loads, supported by a high dynamic load rating of 6430 lbf. The inclusion of shields (2Z) and pre-applied grease lubrication provides robust contamination protection and long-term, maintenance-free operation, making it an ideal choice for applications requiring durability and consistent performance.
W 6307-2Z Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| W | Designates a stainless steel construction for the bearing rings and balls. |
| 6307 | The basic bearing series and size designation (35mm bore, 80mm OD, 21mm width). |
| 2Z | Signifies the bearing is fitted with shields on both sides. This provides effective protection against solid contaminants while allowing for higher speed capabilities compared to contact seals. |
W 6307-2Z Bearing Structural Features & Performance Benefits
- Robust Single Row Design: The deep groove raceway and optimized geometry enable the bearing to support high radial dynamic load ratings, ensuring reliable operation under significant stress.
- Corrosion Resistance: Manufactured entirely from stainless steel (rings, balls, and cage), this bearing is inherently resistant to rust and corrosion, making it suitable for harsh environments, including those with exposure to moisture or certain chemicals.
- Controlled Internal Clearance: The standard CN radial internal clearance provides an optimal balance for a wide range of common operating conditions, ensuring smooth running and reduced noise.
- Maintenance-Free Operation: The combination of non-contact shields (2Z) and pre-lubrication with grease seals in the lubricant and seals out contaminants, resulting in a long service life without the need for re-lubrication.
- Precision & Speed: Built to P0 tolerance class with a limiting speed of 10,000 rpm, it delivers the precision and rotational accuracy required for high-speed applications.
W 6307-2Z Bearing Typical Application Areas
- Food and Beverage Processing Machinery: Ideal for conveyors, mixers, and pumps where corrosion resistance and washdown capabilities are critical.
- Medical and Laboratory Equipment: Used in devices requiring smooth, quiet, and contamination-free operation, such as centrifuges and diagnostic instruments.
- Chemical Processing Pumps and Mixers: The stainless steel construction withstands aggressive media, ensuring longevity and reliability.
- Marine and Outdoor Applications: Suitable for equipment exposed to weather and saltwater due to its superior corrosion resistance.
- General Machinery: A reliable component in electric motors, gearboxes, and other industrial machinery where standard carbon steel bearings would be susceptible to rust.
