61908-2RS1/C3W64
618 & 619 Series Thin Section Bearings
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Part No.
Part No.
61908-2RS1/C3W64
Basic Information
Bearing type
Ball
System of measurement
Metric
Construction
Single Row
Weight
0.11 kg
Tolerance class
ABEC 1 | ISO P0
Seal type
Sealed
For load direction
Radial
Main Dimensions
Bore diameter
40 mm
Bore diameter tolerance
-0.01mm to 0
Outside diameter
62 mm
Outside diameter tolerance
-0.011mm to 0
Width
12 mm
Width tolerance
-0.12mm to 0
Performance
Temperature range
-30°to 120 °C
Radial dynamic load rating
3102 lbf
Radial static load rating
2248 lbf
Limiting speed
14 X 1000 rpm
Lubrication
Soild Oil
Radial internal clearance
C3
Materials
Ring material
Chrome Steel
Ball material
Chrome Steel
Cage material
Chrome Steel
Environment & Compliance
REACH
Compliant
ROHS
Compliant
Technical Drawings
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In Stock
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61908-2RS1/C3W64 Bearing Product Overview & Core Advantages
The 61908-2RS1/C3W64 is a metric single row deep groove ball bearing engineered for exceptional performance in demanding applications. This sealed bearing is designed to primarily handle radial loads while offering reliable operation. Its key advantages include a high limiting speed of 14,000 rpm and a robust construction using chrome steel for all critical components. The bearing features Solid Oil lubrication and a C3 radial internal clearance, making it an ideal, long-lasting solution for applications requiring high reliability and minimal maintenance.
61908-2RS1/C3W64 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 61908 | Basic model number for a metric, single row deep groove ball bearing with a 40mm bore. |
| 2RS1 | The bearing is equipped with two contact seals (one on each side), providing excellent protection against contamination. |
| C3 | Specifies a greater than normal radial internal clearance, suitable for applications with thermal expansion or where interference fits are used. |
| W64 | Indicates the bearing is lubricated with Solid Oil, a polymer matrix saturated with oil, offering long-term lubrication and resistance to washout. |
61908-2RS1/C3W64 Bearing Structural Features & Performance Benefits
- Robust Single Row Design: The deep groove raceway and high-quality chrome steel construction provide high radial load capacity and durability.
- Superior Sealing with 2RS1: The two-contact rubber seals effectively shield the internal components from contaminants like dust and moisture, significantly extending bearing service life in harsh environments.
- Optimized for Speed: The combination of a precision-ground chrome steel cage and Solid Oil lubrication enables a high limiting speed, making it suitable for high-RPM applications.
- Maintenance-Free Operation: The integrated Solid Oil (W64) lubrication is sealed for life, eliminating the need for re-lubrication and reducing overall maintenance costs.
- Wide Operating Temperature Range: The bearing is capable of operating in temperatures from -30°C to 120°C, ensuring performance across a broad spectrum of industrial conditions.
61908-2RS1/C3W64 Bearing Typical Application Areas
This versatile deep groove ball bearing
Electric Motors and Generators
Gearboxes and Transmission Systems
Industrial Fans and Blowers
Material Handling Equipment (e.g., conveyor rollers)
Agricultural Machinery
Appliance Motors (e.g., washing machines, dryers)
