W 63801-2RS1
W Series Stainless Steel Bearings
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Part No.
Part No.
W 63801-2RS1
Basic Information
Bearing type
Ball
System of measurement
Metric
Construction
Single Row
Weight
0.0082 kg
Tolerance class
P0
Seal type
Sealed
For load direction
Radial
Main Dimensions
Bore diameter
12 mm
Bore diameter tolerance
-0.008mm to 0
Outside diameter
21 mm
Outside diameter tolerance
-0.009mm to 0
Width
7 mm
Width tolerance
-0.12mm to 0
Performance
Temperature range
-30° to 120 °C
Radial dynamic load rating
339 lbf
Radial static load rating
202 lbf
Limiting speed
20 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 63801-2RS1 Bearing Product Overview & Core Advantages
The W 63801-2RS1 is a single row deep groove ball bearing designed for compact applications requiring high reliability. Constructed entirely from stainless steel, it offers excellent corrosion resistance. Its key advantage lies in its sealed design (2RS1) and pre-lubrication, providing robust protection against contaminants and ensuring long-term, maintenance-free operation. This bearing is engineered to handle primarily radial loads efficiently within a wide temperature range.
W 63801-2RS1 Bearing Model Code Explained, Specifications & Naming Convention
| Model Segment | Technical Meaning |
|---|---|
| W | Stainless Steel Bearing Series |
| 63801 | Basic Bearing Designation (Metric, 12mm Bore, 21mm OD, 7mm Width) |
| 2RS1 | Contact Seals on Both Sides. Provides superior sealing effectiveness compared to non-contact shields. |
W 63801-2RS1 Bearing Structural Features & Performance Benefits
- Robust Sealing: The 2RS1 contact seals effectively retain lubricant and exclude moisture, dust, and other contaminants, significantly enhancing bearing service life in harsh environments.
- Corrosion Resistance: Manufactured from stainless steel for rings, balls, and cage, this bearing is ideal for applications exposed to moisture, chemicals, or washdowns.
- Ready-to-Use & Maintenance-Free: Pre-lubricated with grease, the bearing is ready for immediate installation and requires no relubrication, reducing total cost of ownership.
- Precision & Reliability: Built to P0 (Normal) tolerance class and standard CN radial internal clearance, it ensures consistent performance for a wide range of general applications.
W 63801-2RS1 Bearing Typical Application Areas
This bearing's compact size, sealed construction, and corrosion resistance make it suitable for various demanding sectors, including:
- Food Processing and Packaging Machinery
- Medical and Dental Equipment
- Chemical Handling Pumps and Valves
- Precision Instruments and Optical Devices
- Small Electric Motors and Gearboxes
