Manufactured by CHG Bearing, the NU1040 is a precision Single Row Cylindrical Roller Bearings. Key dimensional parameters include a 200 mm bore diameter, a 310 mm outer diameter, and a 51 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.
NU1040 - Single Row Cylindrical Roller Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | NU1040 |
| Brand | CHG® |
| Characteristics | |
| Bearing Type | Single Row Cylindrical Roller Bearing |
| Number of Rows | Single Row |
| Tolerance Class | P0 |
| Dimensions | |
| Bore Diameter (d) | 200 mm |
| Width (B) | 51 mm |
| Outer Diameter (D) | 310 mm |
| Bore Diameter Tolerance | -0.030 – 0 mm |
| Outside Diameter Tolerance | -0.035 – 0 mm |
| Width Tolerance | -0.30 – 0 mm |
| Enveloping Circle Diameter Fw | 229 mm |
| Inner Ring Chamfer | 2.1 min mm |
| Outer Ring Chamfer | 2.1 min mm |
| Performance | |
| Basic Dynamic Load Rating C (kN) | 388 kN |
| Basic Static Load Rating C0 (kN) | 582 kN |
| Material | |
| Mass (kg) | 14.1 kg |
| Ring Material | Bearing Steel |
| Rolling Element Material | Bearing Steel |
| Cage Material | Brass |
NU1040 310 mm 200 mm 51 mm 229 mm Frequently Asked Questions about NU1040 Single Row Cylindrical Roller Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
To extend the trouble-free lifespan of CHG Bearing NU1040, 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 NU1040 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 (200 mm bore side) ensures perfect planar contact without edge binding.
To safeguard CHG Bearing NU1040 against fretting wear and false brinelling during transport or vibration, assemble mating surfaces (200 mm x 310 mm) using anti-fretting mounting paste. Maintaining strict alignment and avoiding prolonged static vibration will preserve raceway polish.
As a primary manufacturer, CHG Bearing supports both trial batch evaluations and container-load supply for NU1040. Standard catalog sizes are stocked for rapid 3–7 day dispatch, while high-volume OEM production runs typically dispatch within 30–45 days.
