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MB4
Bearing
MB4
Bearing
Unclassified Bearing with Open seals. A versatile bearing suitable for a range of mechanical applications. Manufactured from Chrome Steel (SAE 52100) for durability and long service life. In Stock at Buy Bearings. Order by 1pm for next-day UK dispatch.
Price Match Promise
Found it cheaper elsewhere? We’ll match any UK competitor’s price on bearings in stock — call us before you buy.
Unclassified Bearing with Open seals. A versatile bearing suitable for a range of mechanical applications. Manufactured from Chrome Steel (SAE 52100) for durability and long service life. In Stock at Buy Bearings. Order by 1pm for next-day UK dispatch.
Price Match Promise
Found it cheaper elsewhere? We’ll match any UK competitor’s price on bearings in stock — call us before you buy.
MB4
Bearing
Technical Specifications
| Part Number | MB4 |
| Brand | Unclassified |
| Bearing Type | Bearing |
| Seal Type | Open |
| Material | Chrome Steel (SAE 52100) |
Enquire About the Unclassified MB4
Get a competitive quote within 24 hours — no obligation. Our engineering team can help with specifications, cross-references, and volume pricing.
Technical Datasheet
Download full specifications for MB4 — dimensions, load ratings, and material data.
Engineering support
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About the Unclassified MB4
The Unclassified MB4, is a bearing, in an open configuration for maximum speed and easy relubrication, manufactured from chrome steel (sae 52100), and is in stock at Buy Bearings.
Unclassified Bearing with Open seals. A versatile bearing suitable for a range of mechanical applications. Manufactured from Chrome Steel (SAE 52100) for durability and long service life. In Stock at Buy Bearings. Order by 1pm for next-day UK dispatch.
Common Applications
Bearings are commonly used in:
Why Buy the MB4 from Buy Bearings?
- UK-authorised distributor with genuine Unclassified products
- Expert technical support from our engineering team
- Competitive pricing with fast UK dispatch
- Full technical datasheet and cross-reference support
- 30-day returns on standard products
Frequently Asked Questions
What is a MB4 bearing?
The MB4 is a Unclassified Bearing. It is In Stock at Buy Bearings.
What does Open mean on a bearing?
Open bearings have no seals or shields, allowing maximum speed and easy relubrication — best for clean, lubricated environments.
Is the MB4 in stock?
The MB4 is In Stock at Buy Bearings. Submit an enquiry or call our sales team for current stock and pricing (POA).
Related & Compatible Bearings
Same bearing, closest dimensions first — useful if you need a slightly different size or this part is unavailable.
