Manufactured by CHG Bearing, the NU2248E/P5 is a precision Single Row Cylindrical Roller Bearings. Key dimensional parameters include a 240 mm bore diameter, a 440 mm outer diameter, and a 120 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.
NU2248E/P5 - Single Row Cylindrical Roller Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | NU2248E/P5 |
| Brand | CHG® |
| Characteristics | |
| Bearing Type | Single Row Cylindrical Roller Bearing |
| Number of Rows | Single Row |
| Tolerance Class | P5 |
| Dimensions | |
| Bore Diameter (d) | 240 mm |
| Width (B) | 120 mm |
| Outer Diameter (D) | 440 mm |
| Bore Diameter Tolerance | -0.015 – 0 mm |
| Outside Diameter Tolerance | -0.023 – 0 mm |
| Width Tolerance | -0.30 – 0 mm |
| Enveloping Circle Diameter Fw | 295 mm |
| Inner Ring Chamfer | 4 min mm |
| Outer Ring Chamfer | 4 min mm |
| Performance | |
| Basic Dynamic Load Rating C (kN) | 1700 kN |
| Basic Static Load Rating C0 (kN) | 2550 kN |
| Material | |
| Mass (kg) | 84.1 kg |
| Ring Material | Bearing Steel |
| Rolling Element Material | Bearing Steel |
| Cage Material | Brass |
NU2248E/P5 440 mm 240 mm 120 mm 295 mm Frequently Asked Questions about NU2248E/P5 Single Row Cylindrical Roller Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
To ensure optimum performance of CHG Bearing NU2248E/P5 Single Row Cylindrical Roller Bearings under general rotational loads, our application engineers advise an inner-ring shaft tolerance of m5 or k5 for the 240 mm bore. For the 440 mm outer ring, an H7 or J7 housing bore fit is recommended to eliminate creep while accommodating normal thermal gradient expansion.
The Open Type engineered for NU2248E/P5 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.
To extend the trouble-free lifespan of CHG Bearing NU2248E/P5, preventive maintenance routines should monitor operating housing temperature (normally maintaining below 70°C) and conduct regular vibration FFT analysis to identify early raceway micro-pitting before unexpected line halts occur.
Each NU2248E/P5 produced in CHG Bearing manufacturing facilities features accurately profiled corner chamfers complying with DIN 5412 / ISO standard corner radii. When designing mating shafts and housing shoulders, machining an undercut or fillet radius strictly within the inner ring clearance limit (240 mm bore side) ensures perfect planar contact without edge binding.
