WBB1-8705 R-2RS1
WBB Series Stainless Steel Flanged Miniature Bearings
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Part No.
Part No.
WBB1-8705 R-2RS1
Basic Information
Bearing type
Ball
System of measurement
Metric
Construction
Single Row
Weight
0.0014 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
Outer Ring Dimensions
Flange outer diameter
11.6 mm
Flange thickness
0.8 mm
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 R-2RS1 Bearing Product Overview & Core Advantages
The WBB1-8705 R-2RS1 is a single row deep groove ball bearing designed for compact, high-precision applications requiring reliable performance. Constructed entirely from stainless steel, it offers excellent corrosion resistance. Its key advantage lies in its sealed design (2RS1) with pre-lubricated grease, making it a maintenance-free solution that protects against contaminants and retains lubrication, ensuring long service life in demanding environments. This bearing is engineered to handle primarily radial loads efficiently.
Model Code Breakdown
| Code Segment | Technical Meaning |
|---|---|
| WBB1-8705 | Manufacturer's specific series and size designation for a flanged metric bearing with a 5mm bore. |
| R | Designates a flange on the outer ring, facilitating simplified mounting and axial location. |
| 2RS1 | Indicates contact seals on both sides. The RS1 seal provides effective protection against dust and moisture while retaining grease. |
WBB1-8705 R-2RS1 Bearing Structural Features & Performance Benefits
- Compact & Robust Flange Design: The integrated flange (OD: 11.6mm) allows for easy and secure mounting into a housing, simplifying assembly and providing excellent axial location without additional components.
- Superior Sealing & Lubrication: The 2RS1 double-contact seals effectively shield the bearing's internals from contaminants. Combined with factory-applied grease, this creates a sealed-for-life system, ideal for applications where re-lubrication is impossible or undesirable.
- Corrosion Resistance: Manufactured entirely from stainless steel (rings, balls, and cage), this bearing is suitable for use in humid, washdown, or mildly corrosive environments.
- Precision & Reliability: Built to P0 tolerance class and standard CN radial internal clearance, it ensures consistent performance and smooth operation for a wide range of general-purpose applications.
WBB1-8705 R-2RS1 Bearing Typical Application Areas
This bearing's combination of a small bore diameter, compact flange design, sealed construction, and corrosion resistance makes it ideal for:
- Small electric motors and miniature gearboxes
- Precision instruments and optical encoders
- Medical devices and laboratory equipment
- Food processing machinery (where corrosion resistance is key)
- Office automation equipment (e.g., printers, scanners)
