Single Row Cylindrical Roller Bearings

N3030 - Single Row Cylindrical Roller Bearings

Manufactured by CHG Bearing, the N3030 is a precision Single Row Cylindrical Roller Bearings. Key dimensional parameters include a 150 mm bore diameter, a 225 mm outer diameter, and a 56 mm overall width. This component is designed to meet standard load requirements and ensure consistent operational performance. For comprehensive technical evaluation, please explore the detailed specifications, dimensional data, product images, and CAD drawings provided below. A complete PDF data sheet is also readily available for direct download to support your engineering and procurement needs.

Technical Specifications

Overview
Part NumberN3030
BrandCHG®
Characteristics
Bearing TypeSingle Row Cylindrical Roller Bearing
Number of RowsSingle Row
Tolerance ClassP0
Dimensions
Bore Diameter (d)150 mm
Width (B)56 mm
Outer Diameter (D)225 mm
Bore Diameter Tolerance-0.025 – 0 mm
Outside Diameter Tolerance-0.030 – 0 mm
Width Tolerance-0.25 – 0 mm
Enveloping Circle Diameter Fw207 mm
Inner Ring Chamfer2.1 min mm
Outer Ring Chamfer2.1 min mm
Performance
Basic Dynamic Load Rating C (kN)374 kN
Basic Static Load Rating C0 (kN)652 kN
Material
Mass (kg)8.03 kg
Ring MaterialBearing Steel
Rolling Element MaterialBearing Steel
Cage MaterialBrass
CAD Drawing and Dimensions for N3030 Single Row Cylindrical Roller Bearings N3030 225 mm 150 mm 207 mm 56 mm

Frequently Asked Questions about N3030 Single Row Cylindrical Roller Bearings

Find key technical answers regarding dimensions, specifications, and replacement options for this model.

In its sealed configuration (Open Type), CHG Bearing pre-charges N3030 with premium wide-temperature lithium-complex or polyurea grease, calibrated to a 30%–35% cavity volume ratio. For open-type variants, synthetic PAO or refined mineral lubricating oils with appropriate EP (Extreme Pressure) additives should be circulated.
Model N3030 is manufactured by CHG Bearing in standard Normal clearance (CN) for ambient temperature transmission, and C3 or C4 clearance for heavy duty applications. C3 clearance compensates for radial shrinkage caused by tight shaft press-fits (bore 150 mm) and steep thermal gradients between inner and outer rings.
Following standard ISO 281 fatigue calculation guidelines, the nominal rating life (L10) of CHG Bearing N3030 correlates its dynamic capacity (standard dynamic) with equivalent dynamic loads. In controlled industrial settings with proper contamination-free filtration, field data confirms continuous operational longevity exceeding 20,000 to 50,000 service hours.
The Open Type engineered for N3030 by CHG Bearing utilizes precision non-contact metal shields or reinforced NBR/FKM contact lip seals. This barrier prevents particulate ingress, washdown fluids, and abrasive dust from reaching the raceways while eliminating grease leakage under centrifugal forces.
N3030 - Single Row Cylindrical Roller Bearings CAD Drawing N3030 225 mm 150 mm 207 mm 56 mm