Manufactured by CHG Bearing, the 280KVE3902EGS3CG135SAU47X is a precision Four-Row Tapered Roller Bearings. Key dimensional parameters include a 280 mm bore diameter, a 395 mm outer diameter, and a 340 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.

280KVE3902EGS3CG135SAU47X - Four-Row Tapered Roller Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | 280KVE3902EGS3CG135SAU47X |
| Brand | CHG® |
| Characteristics | |
| Bearing Type | Four Row Tapered Roller Bearing |
| Number of Rows | Four Row |
| Tolerance Class | P0 |
| Dimensions | |
| Bore Diameter (d) | 280 mm |
| Width (B) | 340 mm |
| Outer Diameter (D) | 395 mm |
| Bore Diameter Tolerance | -0.035 – 0 mm |
| Outside Diameter Tolerance | -0.04 – 0 mm |
| Inner Ring Chamfer | 1.5 min mm |
| Outer Ring Chamfer | 2.5 min mm |
| Inner Ring Assembly Width Tolerance | 0 – +0.2 mm |
| Outer Ring Assembly Width | 340 mm |
| Outer Ring Assembly Width Tolerance | 0 – +0.2 mm |
| Shaft Abutment Diameter | N/A mm |
| Housing Abutment Diameter | N/A mm |
| Lubrication Hole Diameter | N/A mm |
| Performance | |
| Basic Dynamic Load Rating C (kN) | 2520 kN |
| Basic Static Load Rating C0 (kN) | 7050 kN |
| Material | |
| Mass (kg) | N/A kg |
| Ring Material | Case-Hardened Steel / Bearing Steel |
| Rolling Element Material | Case-Hardened Steel / Bearing Steel |
| Cage Material | Grade 10 Steel |
| Lubrication Groove Width | N/A mm |
280KVE3902EGS3CG135SAU47X 395 mm 280 mm 340 mm Frequently Asked Questions about 280KVE3902EGS3CG135SAU47X Four-Row Tapered Roller Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
To extend the trouble-free lifespan of CHG Bearing 280KVE3902EGS3CG135SAU47X, 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 280KVE3902EGS3CG135SAU47X 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 (280 mm bore side) ensures perfect planar contact without edge binding.
Engineered according to international ISO boundary plans, CHG Bearing supplies 280KVE3902EGS3CG135SAU47X with a precision bore diameter (d) of 280 mm, an outside diameter (D) of 395 mm, and a nominal ring width (B) of 340 mm. This configuration yields an effective cross-sectional wall thickness of 57.5 mm and an envelope ratio (D/d) of 1.41, delivering compact rigidity for OEM machinery housings.
Quality starts with raw material selection: CHG Bearing crafts 280KVE3902EGS3CG135SAU47X inner and outer rings from high-purity High-Quality Chrome Steel (GCr15/100Cr6). Our raw billets undergo vacuum degassing and secondary ESR (electroslag remelting) processes to drastically eliminate non-metallic sulfide and oxide inclusions, elevating subsurface contact fatigue resistance.
