WBB1-8705-2RS1
WBB Series Stainless Steel Miniature Bearings
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Part No.
Part No.
WBB1-8705-2RS1
Basic Information
Bearing type
Ball
System of measurement
Metric
Construction
Single Row
Weight
0.0012 kg
Tolerance class
P0
Seal type
Sealed
For load direction
Radial
Main Dimensions
Bore diameter
5 mm
Bore diameter tolerance
-0.008mm to 0
Outside diameter
10 mm
Outside diameter tolerance
-0.008mm to 0
Width
4 mm
Width tolerance
-0.12mm to 0
Performance
Temperature range
-30° to 120 °C
Radial dynamic load rating
56 lbf
Radial static load rating
19 lbf
Limiting speed
38 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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WBB1-8705-2RS1 Bearing Product Overview & Core Advantages
The WBB1-8705-2RS1 is a single row deep groove ball bearing designed for compact spaces and demanding applications. Constructed entirely from stainless steel and featuring integral contact seals (2RS1), this bearing offers reliable radial load capacity and excellent corrosion resistance. Its P0 tolerance class and pre-lubrication ensure consistent performance, making it a robust and maintenance-friendly solution for applications requiring high reliability in constrained environments.
WBB1-8705-2RS1 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| WBB1-8705 | Manufacturer's series and size designation (5mm bore, 10mm OD, 4mm width). |
| 2RS1 | Bearing is fitted with rubber contact seals on both sides. These seals provide superior protection against contaminants compared to non-contact shields, making the bearing suitable for dusty or humid environments. |
WBB1-8705-2RS1 Bearing Structural Features & Performance Benefits
- All-Stainless-Steel Construction: The rings, balls, and cage are manufactured from stainless steel, providing excellent corrosion resistance and suitability for washdown or chemically aggressive environments.
- Effective Sealing: The 2RS1 rubber contact seals effectively retain lubricant and exclude moisture and particulate contaminants, significantly enhancing bearing service life and enabling maintenance-free operation.
- Optimized for Radial Loads: The deep groove raceway and single row design are optimized to handle radial dynamic load ratings efficiently, making it ideal for applications with primarily radial forces.
- Ready-to-Install: The bearing is pre-lubricated with grease, simplifying installation and ensuring immediate, smooth operation right out of the package.
WBB1-8705-2RS1 Bearing Typical Application Areas
This bearing is ideally suited for applications requiring a compact, sealed, and corrosion-resistant solution. Typical uses include:
- Small Electric Motors and gearboxes
- Medical and Dental Equipment (e.g., small hand tools, pumps)
- Food and Beverage Processing Machinery due to stainless steel construction
- Precision Instruments and optical devices
- Conveyor system rollers and idler pulleys in harsh environments
