NTN 51138 Ball Bearing - 190 mm ID, 240 mm OD
- RS Stock No.:
- 706-889
- Mfr. Part No.:
- 51138
- Brand:
- NTN
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Subtotal (1 unit)*
£623.87
(exc. VAT)
£748.64
(inc. VAT)
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Stocked by manufacturer
- Ready to ship from 25 May 2026
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Units | Per unit |
|---|---|
| 1 + | £623.87 |
*price indicative
- RS Stock No.:
- 706-889
- Mfr. Part No.:
- 51138
- 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 | |
| Inside Diameter | 190mm | |
| Product Type | Ball Bearing | |
| Outside Diameter | 240mm | |
| Race Width | 37mm | |
| Cage Material | Steel | |
| Ball Material | Steel | |
| End Type | Open | |
| Static Load Rating | 655kN | |
| Dynamic Load Rating | 170kN | |
| Bore Type | Round | |
| Limiting Speed | 980rpm | |
| Bearing Type | Thrust | |
| Select all | ||
|---|---|---|
Brand NTN | ||
Inside Diameter 190mm | ||
Product Type Ball Bearing | ||
Outside Diameter 240mm | ||
Race Width 37mm | ||
Cage Material Steel | ||
Ball Material Steel | ||
End Type Open | ||
Static Load Rating 655kN | ||
Dynamic Load Rating 170kN | ||
Bore Type Round | ||
Limiting Speed 980rpm | ||
Bearing Type Thrust | ||
RoHS Status: Exempt
- COO (Country of Origin):
- JP
The NTN One direction thrust ball bearing is engineered for reliable axial load management in various applications. Designed to accommodate significant dynamic and static loads, this bearing ensures optimal performance even under challenging conditions. With an internal diameter of 190 mm and external diameter of 240 mm, it features a precision thrust height of 37 mm, making it Ideal for high-load environments. The robust mass of 3.75 kg guarantees durability, while its operational temperature range allows for versatility in different settings. This bearing is the optimal choice for enhancing machinery efficiency, particularly where space is at a premium and axial forces are predominant.
Dynamic axial load rating of 170,000,000 mN ensures dependable performance under heavy loads
Static axial load rating of 655,000,000 mN provides resilience against unexpected static forces
Limit axial load rating of 20,200,000 mN offers extra safety margins for various applications
Oil lubrication limit speed of 8,400 °/s supports higher performance in dynamic settings
Minimum operating temperature of 233.15 °K ensures functionality in colder environments
Maximum operating temperature of 393.15 °K safeguards against overheating in demanding operations
Minimum fillet radius of 1.1 mm optimises wear performance, prolonging the bearing's life
Shoulder diameter specifications enhance fit and functionality within specific assemblies