61903/W64
618 & 619 Series Thin Section Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
61903/W64
Basic Information
Bearing type
Ball
System of measurement
Metric
Construction
Single Row
Weight
0.016 kg
Tolerance class
ABEC 1 | ISO P0
Seal type
Open
For load direction
Radial
Main Dimensions
Bore diameter
17 mm
Bore diameter tolerance
-0.007mm to 0
Outside diameter
30 mm
Outside diameter tolerance
-0.008mm to 0
Width
7 mm
Width tolerance
-0.12mm to 0
Performance
Temperature range
-30°to 120 °C
Radial dynamic load rating
1039 lbf
Radial static load rating
573 lbf
Limiting speed
32 X 1000 rpm
Lubrication
Soild Oil
Radial internal clearance
CN
Materials
Ring material
Chrome Steel
Ball material
Chrome Steel
Cage material
Chrome Steel
Environment & Compliance
REACH
Compliant
ROHS
Compliant
Technical Drawings
No drawings available at the moment, will be launched soon
Price:
$ 15.05
/ each
In Stock
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61903/W64 Bearing Product Overview & Core Advantages
The 61903/W64 is a metric single row deep groove ball bearing engineered for exceptional performance in compact spaces. This precision bearing features a solid oil lubrication system, providing long-term, maintenance-free operation. Its design is optimized to handle primarily radial loads with high efficiency and reliability. Manufactured to ABEC 1 | ISO P0 tolerance standards, it is an ideal solution for applications demanding consistent performance and durability.
61903/W64 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 61903 | Standard designation for a single row deep groove ball bearing with a 17mm bore and 30mm OD. |
| W64 | Indicates the bearing is pre-lubricated with Soild Oil, a polymer-based lubricant reservoir. |
61903/W64 Bearing Structural Features & Performance Benefits
- Maintenance-Free Operation: The integrated Soild Oil lubrication eliminates the need for re-lubrication, prevents lubricant leakage, and ensures consistent performance across the specified temperature range of -30°C to 120°C.
- High-Speed Capability: The chrome steel cage and optimized solid oil system contribute to a high limiting speed of 32,000 rpm, making it suitable for high-speed applications.
- Robust Load Capacity: Manufactured entirely from chrome steel, this bearing offers a radial dynamic load rating of 1039 lbf and a radial static load rating of 573 lbf, providing reliable performance under load.
- Precision & Reliability: Built to ABEC 1 precision with a standard CN radial internal clearance, it ensures smooth, low-vibration, and quiet operation.
61903/W64 Bearing Typical Application Areas
- Small Electric Motors and Spindles
- Office Automation Equipment (Printers, Scanners)
- Precision Instruments and Medical Devices
- Cooling Fans and Small Gearboxes
- Various Machinery Requiring Compact, Maintenance-Free Ball Bearings
