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Cylindrical Roller Bearing


Cylindrical Roller Bearing
ISB Cylindrical Roller Bearing with Open seals measuring 90mm bore × 190mm outer diameter × 43mm width. Built for heavy radial loads in gearboxes, conveyors and industrial drives. 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.
This bearing is priced on application. Our team will get back to you with competitive pricing within 24 hours, no obligation.
ISB Cylindrical Roller Bearing with Open seals measuring 90mm bore × 190mm outer diameter × 43mm width. Built for heavy radial loads in gearboxes, conveyors and industrial drives. 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) | 90mm |
| Outer Diameter (D) | 190mm |
| Width (B) | 43mm |

Cylindrical Roller Bearing
| Part Number | NU318ECJ |
| Brand | ISB |
| Bearing Type | Cylindrical Roller Bearing |
| Seal Type | Open |
| Material | Chrome Steel (SAE 52100) |
| Cross-Reference | NU318C3ECM, NU318ECJC3, NU318C3ETVP2 |
| Bore (Inner Diameter) | 90 mm |
| Outer Diameter | 190 mm |
| Width / Thickness | 43 mm |
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Download full specifications for NU318ECJ — dimensions, load ratings, and material data.
Equivalent part numbers from other manufacturers that can be used as direct replacements for NU318ECJ.
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The ISB NU318ECJ, is a cylindrical roller bearing, in an open configuration for maximum speed and easy relubrication, featuring a 90mm bore, 190mm outer diameter, and 43mm width, manufactured from chrome steel (sae 52100), and is in stock at Buy Bearings.
ISB Cylindrical Roller Bearing with Open seals measuring 90mm bore × 190mm outer diameter × 43mm width. Built for heavy radial loads in gearboxes, conveyors and industrial drives. 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 NU318ECJ cylindrical roller bearing is specified with 90mm bore (inner diameter), 190mm outer diameter, 43mm 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.
Cylindrical Roller Bearings are commonly used in:
Cylindrical roller bearings use cylindrical rollers to handle high radial loads. They are suitable for high-speed applications and can accommodate axial displacement of the shaft relative to the housing.
The NU318ECJ is a ISB Cylindrical Roller Bearing with a 90mm bore, 190mm outer diameter and 43mm width. It is In Stock at Buy Bearings.
The NU318ECJ measures 90mm bore (inner diameter) × 190mm outer diameter × 43mm width.
Open bearings have no seals or shields, allowing maximum speed and easy relubrication — best for clean, lubricated environments.
The NU318ECJ is interchangeable with NU318C3ECM, NU318ECJC3, NU318C3ETVP2. Contact our team to confirm an exact equivalent for your application.
The NU318ECJ is In Stock at Buy Bearings. Submit an enquiry or call our sales team for current stock and pricing (POA).
Same cylindrical roller bearing, closest dimensions first — useful if you need a slightly different size or this part is unavailable.








Matching seals and bushings for 90mm shaft diameter — complementary components for your bearing.







