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Seals


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.
Price Match Promise
Found it cheaper elsewhere? We’ll match any UK competitor’s price on bearings in stock — call us before you buy.
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.
Confirm these values match your shaft, housing and application requirements before ordering.
| Bore Diameter (d) | 120mm |
| Outer Diameter (D) | 150mm |
| Width (B) | 15mm |

Seals
| Part Number | 120X150X15 R21 |
| Brand | Unclassified |
| Bearing Type | Seals |
| Seal Type | Open |
| Material | Chrome Steel (SAE 52100) |
| Cross-Reference | 120X140X10 R21, 120X150X12 R23, 120X2.5MM, 120X4MM, 120X5MM |
| Bore (Inner Diameter) | 120 mm |
| Outer Diameter | 150 mm |
| Width / Thickness | 15 mm |
Get a competitive quote within 24 hours — no obligation. Our engineering team can help with specifications, cross-references, and volume pricing.
Download full specifications for 120X150X15 R21 — dimensions, load ratings, and material data.
Equivalent part numbers from other manufacturers that can be used as direct replacements for 120X150X15 R21.
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The Unclassified 120X150X15 R21, is a seals, in an open configuration for maximum speed and easy relubrication, featuring a 120mm bore, 150mm outer diameter, and 15mm 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.
The 120X150X15 R21 seals is specified with 120mm bore (inner diameter), 150mm outer diameter, 15mm 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.
Sealss are commonly used in:
The 120X150X15 R21 is a Unclassified Seals with a 120mm bore, 150mm outer diameter and 15mm width. It is In Stock at Buy Bearings.
The 120X150X15 R21 measures 120mm bore (inner diameter) × 150mm outer diameter × 15mm width.
Open bearings have no seals or shields, allowing maximum speed and easy relubrication — best for clean, lubricated environments.
The 120X150X15 R21 is interchangeable with 120X140X10 R21, 120X150X12 R23, 120X2.5MM, 120X4MM, 120X5MM. Contact our team to confirm an exact equivalent for your application.
The 120X150X15 R21 is In Stock at Buy Bearings. Submit an enquiry or call our sales team for current stock and pricing (POA).
Same seals, closest dimensions first — useful if you need a slightly different size or this part is unavailable.






Matching seals and bushings for 120mm shaft diameter — complementary components for your bearing.





