NSK KOYO N203EM Cylindrical Roller Bearing, High Precision, 17x40x12mm
SKF Certified
In Stock
ISO
9001
TS
16949
Lead
7 Days
Cylindrical Roller Bearing

NSK KOYO N203EM Cylindrical Roller Bearing, High Precision, 17x40x12mm

<h2>Basic Info</h2> <table> <tr><th>Inner Diameter</th><td>17 mm</td></tr> <tr><th>Outer Diameter</th><td>40 mm</td></tr> <tr><th>Width</th><td>16 mm</td></tr> </table> <h2>Introduction</h2> Cylindrical roller bearing NUP203EM, made of bearing steel, radial load type, open seal, single row, precision grades P0–P2. Suitable for OEM/ODM applications. Lubrication: oil, grease or dry. Outer dimension range: 35–400 mm. Origin: China. HS Code: 8482500090.

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Basic Info

Inner Diameter 17 mm
Outer Diameter 40 mm
Width 16 mm

Introduction

Cylindrical roller bearing NUP203EM, made of bearing steel, radial load type, open seal, single row, precision grades P0–P2. Suitable for OEM/ODM applications. Lubrication: oil, grease or dry. Outer dimension range: 35–400 mm. Origin: China. HS Code: 8482500090.

SKU: 626313698182 Category:

Description

NSK KOYO NUP203EM Cylindrical Roller Bearing – High-Precision Radial Solution

Description Key Spec / USP
Ultra-Precise Radial Load Capacity P0–P2 precision grades; ideal for high-speed spindles & gearboxes
Robust Bearing Steel Construction Chrome steel (GCr15) with strict heat treatment per ISO 634/ISO 281
Optimized Internal Geometry NUP-type fixed-locating design: inner ring double flange + outer ring single flange + loose rib
Low-Friction, High-Efficiency Operation Ground rollers & raceways ensure <0.002mm form tolerance and minimal torque variation
Open Design for Flexible Lubrication Compatible with oil, grease, or dry-film lubricants — no seal drag loss
Global Brand Compatibility Cross-interchangeable with SKF, NTN, Timken, and FAG equivalents (e.g., SKF NUP203E)
Wide Size Range & OEM Support 17×40×16 mm standard; scalable to 35–400 mm OD; full OEM/ODM service available
Strict Quality Assurance 100% dimensional inspection + noise testing + vibration screening (ISO 15242-3 compliant)
Industry-Proven Reliability Used in CNC machines, wind turbines, industrial pumps, and automotive transmissions
Frequently Asked Questions Q: Is this bearing suitable for axial loads? A: NUP203EM handles limited bi-directional axial loads due to its fixed-locating structure. For pure thrust, consider NU/NJ+NUP combos.

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SKF-certified team for application design and lifecycle support.

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