NSK 30228J Tapered 140 mm ID Tapered Roller Bearing, 250 mm OD
- RS Stock No.:
- 639-911
- Mfr. Part No.:
- 30228J
- Brand:
- NSK
Subtotal (1 unit)*
£354.37
(exc. VAT)
£425.24
(inc. VAT)
FREE delivery for orders over £60.00
Stocked by manufacturer
- Ready to ship from 18 May 2026
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units | Per unit |
|---|---|
| 1 + | £354.37 |
*price indicative
- RS Stock No.:
- 639-911
- Mfr. Part No.:
- 30228J
- Brand:
- NSK
Specifications
Technical Reference
Legislation and Compliance
Product Details
Find similar products by selecting one or more attributes.
Select all | Attribute | Value |
|---|---|---|
| Brand | NSK | |
| Product Type | Tapered Roller Bearing | |
| Inside Diameter | 140mm | |
| Bore Type | Tapered | |
| Bearing Dynamic Load Rating | 480kN | |
| Outside Diameter | 250mm | |
| Static Load Rating | 515kN | |
| Cup Width | 36mm | |
| Cone Width | 42mm | |
| Limiting Speed | 1400rpm | |
| Maximum Speed - Oil | 1900rpm | |
| Maximum Speed - Grease | 1400rpm | |
| Bearing Type | Tapered | |
| Select all | ||
|---|---|---|
Brand NSK | ||
Product Type Tapered Roller Bearing | ||
Inside Diameter 140mm | ||
Bore Type Tapered | ||
Bearing Dynamic Load Rating 480kN | ||
Outside Diameter 250mm | ||
Static Load Rating 515kN | ||
Cup Width 36mm | ||
Cone Width 42mm | ||
Limiting Speed 1400rpm | ||
Maximum Speed - Oil 1900rpm | ||
Maximum Speed - Grease 1400rpm | ||
Bearing Type Tapered | ||
Non Compliant
- COO (Country of Origin):
- JP
The NSK Tapered Roller bearing is designed to support high radial and axial loads in both directions, making it an essential component for robust machinery. With precise engineering to meet ISO 4FB and ISO355 dimension series standards, this bearing ensure exceptional durability and reliability. Their boundary dimensions include a bore diameter of 140 mm and an outside diameter of 250 mm, complemented by a total width of 45.75 mm. Tailored for grease and oil-bath lubrications, it facilitate seamless operation under varying conditions, empowering equipment to perform optimally. With a mass of approximately 8.74 kg, this bearing is ideally suited for both industrial applications and demanding environments.
Compact yet effective design allows for efficient load handling
Optimised chamfer dimensions enhance the ease of installation
Basic dynamic load rating of 480000 N ensures reliable performance under stress
Applicable for both grease and oil-bath lubrication methods catering to preference
Effective load centre of 48.9 mm aids in stability during operation
Minimised space requirements on housing side faces ensure compatibility with existing setups
Engineered with a constant factor of 0.44 for improved operational efficiency
Dual axial load factors provide added resiliency during varied load applications
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