NTN NA4840 200 mm I.D Needle Roller Bearing Machined-ring, Needle Roller, 250 mm O.D
- 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 19 January 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 | |
| Number of Rows | 1 | |
| Static Load Rating | 705kN | |
| Series | NA4840 | |
| Internal Clearance | CN | |
| Bearing Material | High Carbon Chrome Steel | |
| Standards/Approvals | RoHS | |
| End Type | Open | |
| Limiting Speed | 1800rpm | |
| Dynamic Load Rating | 231kN | |
| Maximum Speed - Oil | 1800rpm | |
| Maximum Speed - Grease | 1200rpm | |
| Outside Diameter | 250 mm | |
| Bearing Type | Machined-ring, Needle Roller | |
| Race Type | Machine-Ring Needle Roller Bearing with Inner Ring | |
| 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 | ||
Number of Rows 1 | ||
Static Load Rating 705kN | ||
Series NA4840 | ||
Internal Clearance CN | ||
Bearing Material High Carbon Chrome Steel | ||
Standards/Approvals RoHS | ||
End Type Open | ||
Limiting Speed 1800rpm | ||
Dynamic Load Rating 231kN | ||
Maximum Speed - Oil 1800rpm | ||
Maximum Speed - Grease 1200rpm | ||
Outside Diameter 250 mm | ||
Bearing Type Machined-ring, Needle Roller | ||
Race Type Machine-Ring Needle Roller Bearing with Inner Ring | ||
- 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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