W 61709-2RS1
W Series Stainless Steel Bearings
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Part No.
Part No.
W 61709-2RS1
Basic Information
Bearing type
Ball
System of measurement
Metric
Construction
Single Row
Weight
0.025 kg
Tolerance class
P0
Seal type
Sealed
For load direction
Radial
Main Dimensions
Bore diameter
45 mm
Bore diameter tolerance
-0.012mm to 0
Outside diameter
55 mm
Outside diameter tolerance
-0.013mm to 0
Width
6 mm
Width tolerance
-0.12mm to 0
Performance
Temperature range
-30° to 120 °C
Radial dynamic load rating
328 lbf
Radial static load rating
308 lbf
Limiting speed
6.7 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 61709-2RS1 Bearing Product Overview & Core Advantages
The W 61709-2RS1 is a metric single row deep groove ball bearing engineered for high performance in compact spaces. Constructed entirely from stainless steel, it offers excellent corrosion resistance. Its key advantage lies in its sealed design (2RS1) with pre-applied grease lubrication, making it a maintenance-free and highly reliable solution for applications requiring protection from contaminants. This bearing is designed to primarily handle radial loads and is characterized by its low friction and high limiting speed.
Model Code Breakdown
| Code Segment | Technical Meaning |
|---|---|
| W | Designates a specific bearing series or manufacturer's prefix. |
| 61709 | Indicates the bearing size and type: a "61700" series deep groove ball bearing with a 45mm bore. |
| 2RS1 | Signifies that the bearing is fitted with contact seals on both sides. The "RS1" type seal provides effective protection against the ingress of contaminants and the retention of lubricant. |
W 61709-2RS1 Bearing Structural Features & Performance Benefits
- Robust Stainless Steel Construction: All components (rings, balls, cage) are made from stainless steel, ensuring superior corrosion resistance and durability in harsh environments.
- Effective Sealing: The 2RS1 double-contact seals provide a high degree of protection against dust, moisture, and other pollutants, significantly extending bearing service life and enabling use in dirty or wet conditions.
- Maintenance-Free Operation: Pre-lubricated with grease, the bearing is ready for immediate installation and requires no relubrication, reducing maintenance costs and downtime.
- High-Speed Capability: The optimized deep groove raceway and low-friction design contribute to a high limiting speed of 6,700 rpm, suitable for demanding rotational applications.
- Standard Internal Clearance: The CN radial internal clearance is the standard group, making it suitable for a wide range of common operating conditions.
W 61709-2RS1 Bearing Typical Application Areas
This bearing is ideal for applications requiring a compact, sealed, and corrosion-resistant solution. Common uses include:
- Electric Motors and Small Gearboxes
- Medical and Dental Equipment
- Food Processing and Packaging Machinery
- Agricultural Equipment
- Conveyor Systems
- Precision Instruments and Office Automation Equipment
