NTN NA4840 200 mm ID Roller Bearing Machined-ring, Needle Roller, 250 mm OD
- RS Stock No.:
- 454-052
- Mfr. Part No.:
- NA4840
- Brand:
- NTN
Subtotal (1 unit)*
£1,085.30
(exc. VAT)
£1,302.36
(inc. VAT)
FREE delivery for orders over £60.00
Stocked by manufacturer
- Ready to ship from 30 June 2026
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units | Per unit |
|---|---|
| 1 + | £1,085.30 |
*price indicative
- RS Stock No.:
- 454-052
- Mfr. Part No.:
- NA4840
- 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 | 200mm | |
| Race Width | 50mm | |
| Bore Type | Round | |
| Cage Material | Steel | |
| Roller Material | Steel | |
| Series | NA4840 | |
| Limiting Speed | 1800rpm | |
| Maximum Speed - Oil | 1800rpm | |
| Maximum Speed - Grease | 1200rpm | |
| Standards/Approvals | RoHS | |
| End Type | Open | |
| Outside Diameter | 250mm | |
| Static Load Rating | 705kN | |
| Bearing Material | High Carbon Chrome Steel | |
| Internal Clearance | CN | |
| Dynamic Load Rating | 231kN | |
| Number of Rows | 1 | |
| Race Type | Machine-Ring Needle Roller Bearing with Inner Ring | |
| Bearing Type | Machined-ring, Needle Roller | |
| Select all | ||
|---|---|---|
Brand NTN | ||
Product Type Roller Bearing | ||
Inside Diameter 200mm | ||
Race Width 50mm | ||
Bore Type Round | ||
Cage Material Steel | ||
Roller Material Steel | ||
Series NA4840 | ||
Limiting Speed 1800rpm | ||
Maximum Speed - Oil 1800rpm | ||
Maximum Speed - Grease 1200rpm | ||
Standards/Approvals RoHS | ||
End Type Open | ||
Outside Diameter 250mm | ||
Static Load Rating 705kN | ||
Bearing Material High Carbon Chrome Steel | ||
Internal Clearance CN | ||
Dynamic Load Rating 231kN | ||
Number of Rows 1 | ||
Race Type Machine-Ring Needle Roller Bearing with Inner Ring | ||
Bearing Type Machined-ring, Needle Roller | ||
- COO (Country of Origin):
- JP
The NTN Needle roller bearing is designed with a machined-ring and inner ring, is engineered for durability and optimal performance in various applications. The innovative design incorporates double-side ribs, ensuring exceptional stability and load distribution. With an internal diameter of 200 mm and an external diameter of 250 mm, this component is ideal for demanding environments. Its robust construction, coupled with precise lubrication holes and class-leading load ratings, makes it a reliable choice for engineers and manufacturers seeking quality and efficiency. Whether in industrial machinery or automotive applications, this bearing is built to withstand extreme conditions, providing longevity and reduced maintenance.
Comprises a high-strength rolling element material
Integrates radial clearance and precision classes for enhanced performance
Accommodates both grease and oil lubrication options
Features lubrication holes for improved maintenance efficiency
Exhibits exceptional limit speeds for both grease and oil lubrication
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