SKF NA 4903 Cylindrical 17 mm ID Needle Roller Bearing, 30 mm OD
- RS Stock No.:
- 209-2307
- Mfr. Part No.:
- NA 4903
- Brand:
- SKF
Subtotal (1 unit)*
£27.05
(exc. VAT)
£32.46
(inc. VAT)
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In Stock
- Plus 5 unit(s) shipping from 20 April 2026
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Units | Per unit |
|---|---|
| 1 + | £27.05 |
*price indicative
- RS Stock No.:
- 209-2307
- Mfr. Part No.:
- NA 4903
- Brand:
- SKF
Specifications
Technical Reference
Legislation and Compliance
Product Details
Find similar products by selecting one or more attributes.
Select all | Attribute | Value |
|---|---|---|
| Brand | SKF | |
| Product Type | Needle Roller Bearing | |
| Inside Diameter | 17mm | |
| Race Width | 13mm | |
| Bore Type | Cylindrical | |
| Cage Material | Sheet Metal | |
| Number of Rows | 1 | |
| End Type | Shielded | |
| Standards/Approvals | No | |
| Series | NA 4903 | |
| Limiting Speed | 20000rpm | |
| Static Load Rating | 16.3kN | |
| Outside Diameter | 30mm | |
| Dynamic Load Rating | 11.4kN | |
| Select all | ||
|---|---|---|
Brand SKF | ||
Product Type Needle Roller Bearing | ||
Inside Diameter 17mm | ||
Race Width 13mm | ||
Bore Type Cylindrical | ||
Cage Material Sheet Metal | ||
Number of Rows 1 | ||
End Type Shielded | ||
Standards/Approvals No | ||
Series NA 4903 | ||
Limiting Speed 20000rpm | ||
Static Load Rating 16.3kN | ||
Outside Diameter 30mm | ||
Dynamic Load Rating 11.4kN | ||
- COO (Country of Origin):
- SK
SKF Needle Roller Bearing, 30mm Outside Diameter, 11.4kN Dynamic Load Rating - NA 4903
This needle roller bearing is designed for applications requiring compact dimensions and high-load capabilities. It provides support for rotating shafts and is well-suited for environments with limited space. Its robust design ensures efficiency and reliability in mechanical operations, delivering optimal performance across various machinery.
Features & Benefits
• Made from steel for enhanced durability
• Single row design for space efficiency
• Capable of high-speed rotation up to 20000r/min
• Dynamic load rating of 11.4kN meets heavy operational demands
• Low friction design improves overall system efficiency
• Fatigue limit load of 1.96kN extends service life
Applications
• Suitable for precision machinery requiring compact bearings
• Ideal for high-speed rotational systems in electrical devices
• Commonly found in mechanical assemblies with restricted space
• Effective in equipment that needs robust load handling
What is the recommended operating speed for this product?
The operating speed can reach up to 20000r/min, making it suitable for fast machinery.
Can this bearing be used in high-load applications?
Yes, it has a dynamic load rating of 11.4kN, appropriate for heavy-duty tasks.
How do I ensure proper installation of this bearing?
Ensure that alignment and clearance are accurate during assembly to maintain optimal performance.
What materials are used in its construction?
It is primarily constructed from steel, featuring a sheet metal cage for support.
Related links
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- NTN 81103T2 Thrust Cylindrical Roller 30 mm OD
- NTN NA4903LL/3AS 17 mm ID Needle Roller Bearing Needle Roller 30 mm OD
- SKF NA 6906 30 mm ID Needle Roller Bearing, 47 mm OD
- SKF NA 4902 Cylindrical 15 mm ID Needle Roller Bearing, 28 mm OD
- SKF NA 4909.2RS Cylindrical 45 mm ID Needle Roller Bearing, 68 mm OD


