W 627-2RS1/VT378
W Series Stainless Steel Miniature Bearings
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Part No.
Part No.
W 627-2RS1/VT378
Basic Information
Bearing type
Ball
System of measurement
Metric
Construction
Single Row
Weight
0.012 kg
Tolerance class
ABEC 1 | ISO P0
Seal type
Sealed
For load direction
Radial
Main Dimensions
Bore diameter
7 mm
Bore diameter tolerance
-0.008mm to 0
Outside diameter
22 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
447 lbf
Radial static load rating
175 lbf
Limiting speed
48 X 1000 rpm
Lubrication
None
Radial internal clearance
CN
Materials
Ring material
Stainless Steel
Ball material
Stainless Steel
Cage material
Chrome Steel
Environment & Compliance
REACH
Compliant
ROHS
Compliant
Technical Drawings
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In Stock
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W 627-2RS1/VT378 Bearing Product Overview & Core Advantages
The W 627-2RS1/VT378 is a single row deep groove ball bearing designed for exceptional performance in compact spaces. Constructed entirely from stainless steel, it offers superior corrosion resistance. A key feature is its sealed design (2RS1) with pre-lubrication (VT378), making it a maintenance-free solution ideal for applications requiring high reliability and protection from contaminants. Its design is optimized to handle primarily radial loads efficiently.
Model Code Breakdown
| Code Segment | Technical Meaning |
|---|---|
| W | Stainless Steel Bearing |
| 627 | Basic Bearing Code (7mm Bore, 22mm OD, 7mm Width) |
| 2RS1 | Contact Seals on Both Sides for superior protection against dust and moisture. |
| VT378 | Specifies the type of high-performance food-grade grease used for pre-lubrication. |
W 627-2RS1/VT378 Bearing Structural Features & Performance Benefits
The bearing's performance stems from its specific construction:
- Corrosion Resistance: Made entirely from stainless steel, it is suitable for harsh environments and washdown applications.
- Sealed and Lubricated for Life: The 2RS1 contact seals effectively shield the internal components from contaminants. Combined with the VT378 grease, this creates a maintenance-free system with a long service life.
- Precision and Smooth Operation: Manufactured to ABEC 1 | ISO P0 tolerance standards with CN radial internal clearance, ensuring consistent and smooth running.
- Compact and Lightweight: With dimensions of 7x22x7 mm and a weight of only 0.012 kg, it is an ideal choice for applications where space and weight are critical constraints.
W 627-2RS1/VT378 Bearing Typical Application Areas
This bearing is well-suited for a variety of applications, including:
- Food and Beverage Processing Equipment
- Medical and Dental Devices
- Chemical Handling Pumps and Mixers
- Precision Instruments and Optical Devices
- Small Electric Motors and Gearboxes
