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NTN NU203
Cylindrical Roller Bearing
NTN NU203
Cylindrical Roller Bearing
NTN NU203 - Cylindrical Roller bearing - ID 17 OD 40 W 12mm
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NTN NU203 - Cylindrical Roller bearing - ID 17 OD 40 W 12mm
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) | 40mm |
| Width (B) | 12mm |
| Weight | 68kg |
NTN NU203
Cylindrical Roller Bearing
Technical Specifications
| Part Number | NTN NU203 |
| Brand | NTN/SNR |
| Bearing Type | Cylindrical Roller Bearing |
| Seal Type | Open |
| Bore (Inner Diameter) | 17 mm |
| Outer Diameter | 40 mm |
| Width / Thickness | 12 mm |
| Approximate Weight | 68 kg |
Enquire About the NTN/SNR NTN NU203
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Technical Datasheet
Download full specifications for NTN NU203 — dimensions, load ratings, and material data.
NTN/SNR Technical Resources
Engineering support
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About the NTN/SNR NTN NU203
The NTN/SNR NTN NU203, is a cylindrical roller bearing, in an open configuration for maximum speed and easy relubrication, featuring a 17mm bore, 40mm outer diameter, and 12mm width, and is in stock at Buy Bearings.
NTN NU203 - Cylindrical Roller bearing - ID 17 OD 40 W 12mm
Key Specifications
The NTN NU203 cylindrical roller bearing is specified with 17mm bore (inner diameter), 40mm outer diameter, 12mm width, 68kg approximate weight. The Open sealing arrangement protects against contamination and retains lubricant for extended service life.
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 NTN NU203 from Buy Bearings?
- UK-authorised distributor with genuine NTN/SNR 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 NTN NU203 bearing?
The NTN NU203 is a NTN/SNR Cylindrical Roller Bearing with a 17mm bore, 40mm outer diameter and 12mm width. It is In Stock at Buy Bearings.
What are the NTN NU203 dimensions?
The NTN NU203 measures 17mm bore (inner diameter) × 40mm outer diameter × 12mm 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.
Is the NTN NU203 in stock?
The NTN NU203 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.
