Manufactured by CHG Bearing, the NU2068 is a precision Single Row Cylindrical Roller Bearings. Key dimensional parameters include a 340 mm bore diameter, a 520 mm outer diameter, and a 106 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.
NU2068 - Single Row Cylindrical Roller Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | NU2068 |
| Brand | CHG® |
| Characteristics | |
| Bearing Type | Single Row Cylindrical Roller Bearing |
| Number of Rows | Single Row |
| Tolerance Class | P0 |
| Dimensions | |
| Bore Diameter (d) | 340 mm |
| Width (B) | 106 mm |
| Outer Diameter (D) | 520 mm |
| Bore Diameter Tolerance | -0.040 – 0 mm |
| Outside Diameter Tolerance | -0.050 – 0 mm |
| Width Tolerance | -0.40 – 0 mm |
| Enveloping Circle Diameter Fw | 385 mm |
| Inner Ring Chamfer | 5 min mm |
| Outer Ring Chamfer | 5 min mm |
| Performance | |
| Basic Dynamic Load Rating C (kN) | 1950 kN |
| Basic Static Load Rating C0 (kN) | 3730 kN |
| Material | |
| Mass (kg) | 84.6 kg |
| Ring Material | Bearing Steel |
| Rolling Element Material | Bearing Steel |
| Cage Material | Brass |
NU2068 520 mm 340 mm 106 mm 385 mm Frequently Asked Questions about NU2068 Single Row Cylindrical Roller Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
To match diverse operational dynamics, CHG Bearing supplies NU2068 with multiple cage configurations: high-strength pressed steel ribbon cages for standard duty, solid machined brass cages (M/CA) for heavy vibration and shock loads, or lightweight glass-fiber reinforced polyamide cages (TN9/TVP) for high acceleration and ultra-low noise.
To ensure optimum performance of CHG Bearing NU2068 Single Row Cylindrical Roller Bearings under general rotational loads, our application engineers advise an inner-ring shaft tolerance of m5 or k5 for the 340 mm bore. For the 520 mm outer ring, an H7 or J7 housing bore fit is recommended to eliminate creep while accommodating normal thermal gradient expansion.
In its sealed configuration (Open Type), CHG Bearing pre-charges NU2068 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.
Sourcing NU2068 directly from CHG Bearing eliminates intermediate brokerage markups while granting you factory-direct engineering backup, rigorous ISO-certified quality assurance, competitive volume wholesale pricing, and dependable supply chain stability for Single Row Cylindrical Roller Bearings.
