6203-2RZ/W64
6000, 6200 & 6300 Series Metric Standard Ball Bearings
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Part No.
Part No.
6203-2RZ/W64
Basic Information
Bearing type
Ball
System of measurement
Metric
Construction
Single Row
Weight
65 g
Tolerance class
ABEC 1 | ISO P0
Seal type
Sealed
For load direction
Radial
Main Dimensions
Bore diameter
17 mm
Bore diameter tolerance
-0.008mm to 0
Outside diameter
40 mm
Outside diameter tolerance
-0.011mm to 0
Width
12 mm
Width tolerance
-0.120mm to 0
Performance
Temperature range
-30°to 120 °C
Radial dynamic load rating
2147 lbf
Radial static load rating
1079 lbf
Limiting speed
17 X 1000 rpm
Lubrication
Soild Oil
Radial internal clearance
CN
Materials
Ring material
Chrome Steel
Ball material
Chrome Steel
Cage material
Chrome Steel
Environment & Compliance
REACH
Compliant
ROHS
Compliant
Technical Drawings
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In Stock
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6203-2RZ/W64 Bearing Product Overview & Core Advantages
The 6203-2RZ/W64 is a single row deep groove ball bearing designed for exceptional reliability in demanding applications. This metric bearing features an innovative Solid Oil lubrication system and integrated seals (2RZ), making it a maintenance-free solution. Its robust construction from chrome steel ensures high durability and consistent performance under radial loads, making it ideal for applications requiring long service life and minimal upkeep.
Model Code Breakdown
| Code Segment | Technical Meaning |
|---|---|
| 6203 | Standard deep groove ball bearing series with 17mm bore, 40mm OD, 12mm width. |
| 2RZ | Bearing is fitted with contact seals on both sides, providing excellent protection against contaminants. |
| W64 | Indicates the bearing is pre-lubricated with Solid Oil, a polymer-based lubricant offering superior retention and contamination resistance. |
6203-2RZ/W64 Bearing Structural Features & Performance Benefits
- Sealed & Lubricated for Life: The combination of 2RZ contact seals and Solid Oil (W64) creates a completely sealed, maintenance-free unit. This eliminates relubrication needs and protects against lubricant loss and contamination, ensuring long-term reliability.
- Robust Load Capacity: Manufactured from high-grade chrome steel for both rings and balls, this bearing delivers a dynamic load rating of 2147 lbf and a static load rating of 1079 lbf, providing dependable performance under significant radial loads.
- Precision & Stability: Built to ABEC 1 | ISO P0 tolerance class with a standard CN radial internal clearance, ensuring smooth operation, reduced vibration, and consistent performance for general industrial applications.
- Wide Operating Range: The Solid Oil lubrication enables a broad temperature range from -30°C to 120°C, making the bearing suitable for various environmental conditions.
6203-2RZ/W64 Bearing Typical Application Areas
This versatile and reliable bearing is commonly specified in:
- Electric Motors and Small Gearboxes
- Industrial Fans and Blowers
- Conveyor Systems and Material Handling Equipment
- Agricultural Machinery and Power Tools
- Various Automotive Components (e.g., alternators, pumps)
