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NU303ECJ
Cylindrical Roller Bearing
NU303ECJ
Cylindrical Roller Bearing
FAG Cylindrical Roller Bearing with Open seals measuring 17mm bore × 47mm outer diameter × 14mm 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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FAG Cylindrical Roller Bearing with Open seals measuring 17mm bore × 47mm outer diameter × 14mm 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.
Technical Dimensions & Load Ratings
Confirm these values match your shaft, housing and application requirements before ordering.
Dimensions
| Bore Diameter (d) | 17mm |
| Outer Diameter (D) | 47mm |
| Width (B) | 14mm |
NU303ECJ
Cylindrical Roller Bearing
Technical Specifications
| Part Number | NU303ECJ |
| Brand | FAG |
| Bearing Type | Cylindrical Roller Bearing |
| Seal Type | Open |
| Material | Chrome Steel (SAE 52100) |
| Cross-Reference | NU303ECP, NU303C3E,TVP2 |
| Bore (Inner Diameter) | 17 mm |
| Outer Diameter | 47 mm |
| Width / Thickness | 14 mm |
Enquire About the FAG NU303ECJ
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Technical Datasheet
Download full specifications for NU303ECJ — dimensions, load ratings, and material data.
FAG Technical Resources
Equivalent part numbers from other manufacturers that can be used as direct replacements for NU303ECJ.
Engineering support
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About the FAG NU303ECJ
The FAG NU303ECJ, is a cylindrical roller bearing, in an open configuration for maximum speed and easy relubrication, featuring a 17mm bore, 47mm outer diameter, and 14mm width, manufactured from chrome steel (sae 52100), and is in stock at Buy Bearings.
FAG Cylindrical Roller Bearing with Open seals measuring 17mm bore × 47mm outer diameter × 14mm 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.
Key Specifications
The NU303ECJ cylindrical roller bearing is specified with 17mm bore (inner diameter), 47mm outer diameter, 14mm 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
Cylindrical Roller Bearings are commonly used in:
About Cylindrical Roller Bearings
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.
Why Buy the NU303ECJ from Buy Bearings?
- UK-authorised distributor with genuine FAG 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 NU303ECJ bearing?
The NU303ECJ is a FAG Cylindrical Roller Bearing with a 17mm bore, 47mm outer diameter and 14mm width. It is In Stock at Buy Bearings.
What are the NU303ECJ dimensions?
The NU303ECJ measures 17mm bore (inner diameter) × 47mm outer diameter × 14mm 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 NU303ECJ cross-reference?
The NU303ECJ is interchangeable with NU303ECP, NU303C3E,TVP2. Contact our team to confirm an exact equivalent for your application.
Is the NU303ECJ in stock?
The NU303ECJ is In Stock at Buy Bearings. Submit an enquiry or call our sales team for current stock and pricing (POA).
Related & Compatible Bearings
Same cylindrical roller bearing, 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 17mm shaft diameter — complementary components for your bearing.
