NTN NA4838 190 mm ID Roller Bearing Machined-ring, Needle Roller, 240 mm OD
- RS Stock No.:
- 454-051
- Mfr. Part No.:
- NA4838
- Brand:
- NTN
Subtotal (1 unit)*
£868.38
(exc. VAT)
£1,042.06
(inc. VAT)
FREE delivery for orders over £60.00
Stocked by manufacturer
- Ready to ship from 10 August 2026
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units | Per unit |
|---|---|
| 1 + | £868.38 |
*price indicative
- RS Stock No.:
- 454-051
- Mfr. Part No.:
- NA4838
- 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 | 190mm | |
| Race Width | 50mm | |
| Bore Type | Round | |
| Cage Material | Steel | |
| Roller Material | Steel | |
| Standards/Approvals | RoHS | |
| Series | NA4838 | |
| Limiting Speed | 1900rpm | |
| Maximum Speed - Oil | 1900rpm | |
| Outside Diameter | 240mm | |
| Internal Clearance | CN | |
| Number of Rows | 1 | |
| Bearing Material | High Carbon Chrome Steel | |
| Static Load Rating | 680kN | |
| End Type | Open | |
| Dynamic Load Rating | 227kN | |
| Maximum Speed - Grease | 1300rpm | |
| Bearing Type | Machined-ring, Needle Roller | |
| Race Type | Machine-Ring Needle Roller Bearing with Inner Ring | |
| Select all | ||
|---|---|---|
Brand NTN | ||
Product Type Roller Bearing | ||
Inside Diameter 190mm | ||
Race Width 50mm | ||
Bore Type Round | ||
Cage Material Steel | ||
Roller Material Steel | ||
Standards/Approvals RoHS | ||
Series NA4838 | ||
Limiting Speed 1900rpm | ||
Maximum Speed - Oil 1900rpm | ||
Outside Diameter 240mm | ||
Internal Clearance CN | ||
Number of Rows 1 | ||
Bearing Material High Carbon Chrome Steel | ||
Static Load Rating 680kN | ||
End Type Open | ||
Dynamic Load Rating 227kN | ||
Maximum Speed - Grease 1300rpm | ||
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 a remarkable engineering solution designed for precision and reliability in various mechanical applications. Specially crafted with a machined-ring and an inner ring, it offers enhanced stability and support while efficiently accommodating axial loads. The innovative double-side ribs ensure improved guidance and retention of the rolling elements, which ultimately contributes to the durability and performance longevity of the product. With a thoughtful design allowing for effective lubrication and minimal friction, this bearing stands out for its capability to operate under both grease and oil lubrication conditions.
Engineered for high load capacity and durability in demanding environments
Double-side ribs enhance guidance and retention of rolling elements
Designed to accommodate both grease and oil lubrication for versatile use
Optimised for low friction, promoting smooth operation and efficiency
Robust construction supports a wide operating temperature range
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