NTN 4T-30311D Taper Roller 55 mm ID Roller Bearing, 120 mm OD
- RS Stock No.:
- 455-265
- Mfr. Part No.:
- 4T-30311D
- Brand:
- NTN
Subtotal (1 unit)*
£87.51
(exc. VAT)
£105.01
(inc. VAT)
FREE delivery for orders over £60.00
Stocked by manufacturer
- Ready to ship from 08 June 2026
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units | Per unit |
|---|---|
| 1 + | £87.51 |
*price indicative
- RS Stock No.:
- 455-265
- Mfr. Part No.:
- 4T-30311D
- 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 | 55mm | |
| Bore Type | Round | |
| Cage Material | Pressed Steel | |
| Roller Material | Case Hardening Steel | |
| Cone Width | 29mm | |
| Number of Rows | 1 | |
| Maximum Speed - Oil | 3800rpm | |
| Maximum Speed - Grease | 2900rpm | |
| Cup Width | 21mm | |
| Static Load Rating | 154kN | |
| Outside Diameter | 120mm | |
| Bearing Dynamic Load Rating | 146kN | |
| Standards/Approvals | ISO 355 | |
| Bearing Material | Case Hardening Steel | |
| Series | 4T-30311D | |
| Race Type | Tapered | |
| Bearing Type | Taper Roller | |
| Select all | ||
|---|---|---|
Brand NTN | ||
Product Type Roller Bearing | ||
Inside Diameter 55mm | ||
Bore Type Round | ||
Cage Material Pressed Steel | ||
Roller Material Case Hardening Steel | ||
Cone Width 29mm | ||
Number of Rows 1 | ||
Maximum Speed - Oil 3800rpm | ||
Maximum Speed - Grease 2900rpm | ||
Cup Width 21mm | ||
Static Load Rating 154kN | ||
Outside Diameter 120mm | ||
Bearing Dynamic Load Rating 146kN | ||
Standards/Approvals ISO 355 | ||
Bearing Material Case Hardening Steel | ||
Series 4T-30311D | ||
Race Type Tapered | ||
Bearing Type Taper Roller | ||
- COO (Country of Origin):
- JP
The NTN Single Row Tapered Roller Bearing exemplifies precision engineering, designed to enhance the performance and reliability of various applications. Specially crafted with a pressed steel cage, this bearing provides exceptional durability and load-carrying capacity, ensuring optimal functioning under demanding conditions. The meticulous design includes an internal diameter of 55 mm and an external diameter of 120 mm, making it a versatile choice for industrial machinery. With its ability to withstand extreme temperatures ranging from -40 °C to 120 °C, this product guarantees efficiency in diverse environments. Moreover, its robust structure is complemented by a weight of 1.58 kg, signifying a well-balanced choice for your mechanical needs.
Engineered with a single row tapered roller for maximum load distribution
The pressed steel cage enhances the bearing's strength and longevity
Designed to operate efficiently in both oil and grease lubrication
Accommodates dynamic loads up to 146 kN
Offers superior performance with a fatigue limit load of 18--8 kN
Temperature resistant, making it suitable for a wide range of working conditions
Includes specific clearance and radii dimensions for precise applications
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