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325X400X50 R4
Seals
325X400X50 R4
Seals
Unclassified Seals 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.
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Found it cheaper elsewhere? We’ll match any UK competitor’s price on bearings in stock — call us before you buy.
Need pricing for this part?
This bearing is priced on application. Our team will get back to you with competitive pricing within 24 hours, no obligation.
Unclassified Seals 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.
Technical Dimensions & Load Ratings
Confirm these values match your shaft, housing and application requirements before ordering.
Dimensions
| Bore Diameter (d) | 325mm |
| Outer Diameter (D) | 400mm |
| Width (B) | 50mm |
325X400X50 R4
Seals
Technical Specifications
| Part Number | 325X400X50 R4 |
| Brand | Unclassified |
| Bearing Type | Seals |
| Seal Type | Open |
| Material | Chrome Steel (SAE 52100) |
| Cross-Reference | 325X425X31 R21, 325X425X50 R4, 325X450X50 R4, 325X475X50 R21 |
| Bore (Inner Diameter) | 325 mm |
| Outer Diameter | 400 mm |
| Width / Thickness | 50 mm |
Enquire About the Unclassified 325X400X50 R4
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 325X400X50 R4 — dimensions, load ratings, and material data.
Equivalent part numbers from other manufacturers that can be used as direct replacements for 325X400X50 R4.
Engineering support
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About the Unclassified 325X400X50 R4
The Unclassified 325X400X50 R4, is a seals, in an open configuration for maximum speed and easy relubrication, featuring a 325mm bore, 400mm outer diameter, and 50mm width, manufactured from chrome steel (sae 52100), and is in stock at Buy Bearings.
Unclassified Seals 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.
Key Specifications
The 325X400X50 R4 seals is specified with 325mm bore (inner diameter), 400mm outer diameter, 50mm width. The Open sealing arrangement protects against contamination and retains lubricant for extended service life. The chrome steel (sae 52100) construction provides excellent wear resistance and durability in demanding operating conditions.
Common Applications
Sealss are commonly used in:
Why Buy the 325X400X50 R4 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 325X400X50 R4 bearing?
The 325X400X50 R4 is a Unclassified Seals with a 325mm bore, 400mm outer diameter and 50mm width. It is In Stock at Buy Bearings.
What are the 325X400X50 R4 dimensions?
The 325X400X50 R4 measures 325mm bore (inner diameter) × 400mm outer diameter × 50mm width.
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.
What is the 325X400X50 R4 cross-reference?
The 325X400X50 R4 is interchangeable with 325X425X31 R21, 325X425X50 R4, 325X450X50 R4, 325X475X50 R21. Contact our team to confirm an exact equivalent for your application.
Is the 325X400X50 R4 in stock?
The 325X400X50 R4 is In Stock at Buy Bearings. Submit an enquiry or call our sales team for current stock and pricing (POA).
Related & Compatible Bearings
Same seals, closest dimensions first — useful if you need a slightly different size or this part is unavailable.
Related Parts — Seals & Bushings
Matching seals and bushings for 325mm shaft diameter — complementary components for your bearing.