NTN NA4840 200 mm ID Needle 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 £50.00
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- Shipping from 13 March 2026
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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 | Needle Roller Bearing | |
| Inside Diameter | 200 mm | |
| Race Width | 50mm | |
| Bore Type | Round | |
| Cage Material | Steel | |
| Roller Material | Steel | |
| Outside Diameter | 250 mm | |
| Bearing Material | High Carbon Chrome Steel | |
| Dynamic Load Rating | 231kN | |
| End Type | Open | |
| Standards/Approvals | RoHS | |
| Limiting Speed | 1800rpm | |
| Maximum Speed - Oil | 1800rpm | |
| Maximum Speed - Grease | 1200rpm | |
| Number of Rows | 1 | |
| Series | NA4840 | |
| Internal Clearance | CN | |
| Static Load Rating | 705kN | |
| Race Type | Machine-Ring Needle Roller Bearing with Inner Ring | |
| Bearing Type | Machined-ring, Needle Roller | |
| Select all | ||
|---|---|---|
Brand NTN | ||
Product Type Needle Roller Bearing | ||
Inside Diameter 200 mm | ||
Race Width 50mm | ||
Bore Type Round | ||
Cage Material Steel | ||
Roller Material Steel | ||
Outside Diameter 250 mm | ||
Bearing Material High Carbon Chrome Steel | ||
Dynamic Load Rating 231kN | ||
End Type Open | ||
Standards/Approvals RoHS | ||
Limiting Speed 1800rpm | ||
Maximum Speed - Oil 1800rpm | ||
Maximum Speed - Grease 1200rpm | ||
Number of Rows 1 | ||
Series NA4840 | ||
Internal Clearance CN | ||
Static Load Rating 705kN | ||
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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