NTN NA4903R 17 mm ID Roller Bearing Needle Roller, 30 mm OD
- RS Stock No.:
- 454-058
- Mfr. Part No.:
- NA4903R
- Brand:
- NTN
Subtotal (1 unit)*
£22.75
(exc. VAT)
£27.30
(inc. VAT)
FREE delivery for orders over £60.00
Stocked by manufacturer
- Ready to ship from 20 May 2026
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units | Per unit |
|---|---|
| 1 + | £22.75 |
*price indicative
- RS Stock No.:
- 454-058
- Mfr. Part No.:
- NA4903R
- Brand:
- NTN
Specifications
Technical Reference
Legislation and Compliance
Product Details
Find similar products by selecting one or more attributes.
Select all | Attribute | Value |
|---|---|---|
| Brand | NTN | |
| Product Type | Roller Bearing | |
| Inside Diameter | 17mm | |
| Race Width | 13mm | |
| Bore Type | Cylindrical | |
| Roller Material | Steel | |
| Maximum Speed - Oil | 18000rpm | |
| Internal Clearance | CN | |
| Series | NA4903R | |
| Standards/Approvals | RoHS | |
| Dynamic Load Rating | 11.2kN | |
| Outside Diameter | 30mm | |
| Maximum Speed - Grease | 12000rpm | |
| Static Load Rating | 14.6kN | |
| Number of Rows | 1 | |
| Race Type | Needle Roller | |
| Bearing Type | Needle Roller | |
| Select all | ||
|---|---|---|
Brand NTN | ||
Product Type Roller Bearing | ||
Inside Diameter 17mm | ||
Race Width 13mm | ||
Bore Type Cylindrical | ||
Roller Material Steel | ||
Maximum Speed - Oil 18000rpm | ||
Internal Clearance CN | ||
Series NA4903R | ||
Standards/Approvals RoHS | ||
Dynamic Load Rating 11.2kN | ||
Outside Diameter 30mm | ||
Maximum Speed - Grease 12000rpm | ||
Static Load Rating 14.6kN | ||
Number of Rows 1 | ||
Race Type Needle Roller | ||
Bearing Type Needle Roller | ||
- COO (Country of Origin):
- JP
The NTN Needle roller bearing combines precision engineering with robust performance, is specifically designed for applications requiring high load capacity in confined spaces. This exceptional bearing features a machined ring design that not only enhances its durability but also supports efficient operation under varying conditions. With its innovative lubrication provisions, it ensures extended service life and reliability, making it an ideal choice for demanding mechanical setups. The compact dimensions of this bearing allow for easy integration into your assemblies while delivering uncompromised performance levels.
Compact size ensures easy installation in tight spaces
Engineered to operate efficiently across a wide temperature range
Provides excellent dynamic and static load ratings, ensuring reliability
Reinforced internals support both grease and oil lubrication methods
Conforms to precision class P0 for better functionality
Constructed from high-quality materials for increased lifespan
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