Manufactured by CHG Bearing, the NU3048 is a precision Single Row Cylindrical Roller Bearings. Key dimensional parameters include a 240 mm bore diameter, a 360 mm outer diameter, and a 92 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.

NU3048 - Single Row Cylindrical Roller Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | NU3048 |
| Brand | CHG® |
| Characteristics | |
| Bearing Type | Single Row Cylindrical Roller Bearing |
| Number of Rows | Single Row |
| Tolerance Class | P0 |
| Dimensions | |
| Bore Diameter (d) | 240 mm |
| Width (B) | 92 mm |
| Outer Diameter (D) | 360 mm |
| Bore Diameter Tolerance | -0.030 – 0 mm |
| Outside Diameter Tolerance | -0.040 – 0 mm |
| Width Tolerance | -0.30 – 0 mm |
| Enveloping Circle Diameter Fw | 276 mm |
| Inner Ring Chamfer | 3 min mm |
| Outer Ring Chamfer | 3 min mm |
| Performance | |
| Basic Dynamic Load Rating C (kN) | 774 kN |
| Basic Static Load Rating C0 (kN) | 1450 kN |
| Material | |
| Mass (kg) | 33 kg |
| Ring Material | Bearing Steel |
| Rolling Element Material | Bearing Steel |
| Cage Material | Brass |
NU3048 360 mm 240 mm 92 mm 276 mm Frequently Asked Questions about NU3048 Single Row Cylindrical Roller Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Engineered according to international ISO boundary plans, CHG Bearing supplies NU3048 with a precision bore diameter (d) of 240 mm, an outside diameter (D) of 360 mm, and a nominal ring width (B) of 92 mm. This configuration yields an effective cross-sectional wall thickness of 60.0 mm and an envelope ratio (D/d) of 1.5, delivering compact rigidity for OEM machinery housings.
Yes, 100% of NU3048 Single Row Cylindrical Roller Bearings leaving CHG Bearing production lines are subjected to multi-frequency Anderometer sound testing. All units satisfy baseline Z1V1 levels, with dedicated quiet-running electric motor quality (EMQ) lots certified to Z2V2 and Z3V3 standards for silent machinery integration.
Absolutely. The CHG Bearing NU3048 Single Row Cylindrical Roller Bearings is a 1:1 direct interchange for renowned brands, matching part numbers: SKF NU3048, FAG NU3048, NSK NU3048. It shares identical envelope boundary dimensions, load capacities, and shaft fits, allowing instant drop-in replacement without retrofitting your machinery.
In its sealed configuration (Open Type), CHG Bearing pre-charges NU3048 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.
