NTN NA4838 190 mm I.D Needle Roller Bearing Machined-ring, Needle Roller, 240 mm O.D
- 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 £50.00
Temporarily out of stock
- Shipping from 31 December 2025
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 | Needle Roller Bearing | |
| Inside Diameter | 190 mm | |
| Race Width | 50mm | |
| Bore Type | Round | |
| Cage Material | Steel | |
| Roller Material | Steel | |
| Series | NA4838 | |
| Internal Clearance | CN | |
| Bearing Material | High Carbon Chrome Steel | |
| Outside Diameter | 240 mm | |
| Dynamic Load Rating | 227kN | |
| Static Load Rating | 680kN | |
| Number of Rows | 1 | |
| Limiting Speed | 1900rpm | |
| Maximum Speed - Grease | 1300rpm | |
| End Type | Open | |
| Standards/Approvals | RoHS | |
| Maximum Speed - Oil | 1900rpm | |
| 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 190 mm | ||
Race Width 50mm | ||
Bore Type Round | ||
Cage Material Steel | ||
Roller Material Steel | ||
Series NA4838 | ||
Internal Clearance CN | ||
Bearing Material High Carbon Chrome Steel | ||
Outside Diameter 240 mm | ||
Dynamic Load Rating 227kN | ||
Static Load Rating 680kN | ||
Number of Rows 1 | ||
Limiting Speed 1900rpm | ||
Maximum Speed - Grease 1300rpm | ||
End Type Open | ||
Standards/Approvals RoHS | ||
Maximum Speed - Oil 1900rpm | ||
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
Related links
- NTN 1R220X240X50 220mm I.D Needle Roller Bearing Needle Roller Bearing, 240mm O.D
- NTN 1R190X210X50 190mm I.D Needle Roller Bearing Needle Roller Bearing, 210mm O.D
- NTN 23032EMW33C3 160mm I.D Spherical Roller Bearing Spherical Roller Bearing, 240mm O.D
- NTN 22322EMW33C3 110mm I.D Spherical Roller Bearing Spherical Roller Bearing, 240mm O.D
- NTN 22322EMW33 110mm I.D Spherical Roller Bearing Spherical Roller Bearing, 240mm O.D
- NTN 22322EKF800 110mm I.D Spherical Roller Bearing Spherical Roller Bearing, 240mm O.D
- NTN 22322EMKW33C3 110mm I.D Spherical Roller Bearing Spherical Roller Bearing, 240mm O.D
- NTN 23032EAKW33C3 160mm I.D Spherical Roller Bearing Spherical Roller Bearing, 240mm O.D
