Manufactured by CHG Bearing, the 181-024801P5 is a precision Four-Row Tapered Roller Bearings. Key dimensional parameters include a 234.95 mm bore diameter, a 327.025 mm outer diameter, and a 196.85 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.

181-024801P5 - Four-Row Tapered Roller Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | 181-024801P5 |
| Brand | CHG® |
| Characteristics | |
| Bearing Type | Four Row Tapered Roller Bearing |
| Number of Rows | Four Row |
| Tolerance Class | P5 |
| Dimensions | |
| Bore Diameter (d) | 234.95 mm |
| Width (B) | 196.85 mm |
| Outer Diameter (D) | 327.025 mm |
| Bore Diameter Tolerance | 0 – +0.013 mm |
| Outside Diameter Tolerance | 0 – +0.025 mm |
| Inner Ring Chamfer | 1.5 min mm |
| Outer Ring Chamfer | 3.3 min mm |
| Inner Ring Assembly Width Tolerance | -1.524 – +1.524 mm |
| Outer Ring Assembly Width | 196.85 mm |
| Outer Ring Assembly Width Tolerance | -1.524 – +1.524 mm |
| Shaft Abutment Diameter | 248 mm |
| Housing Abutment Diameter | 306 mm |
| Lubrication Hole Diameter | 8 mm |
| Performance | |
| Basic Dynamic Load Rating C (kN) | 2186.8 kN |
| Basic Static Load Rating C0 (kN) | 3970 kN |
| Material | |
| Mass (kg) | 50.3 kg |
| Ring Material | Case-Hardened Steel / Bearing Steel |
| Rolling Element Material | Bearing Steel |
| Cage Material | 08Al Steel |
| Lubrication Groove Width | 16 mm |
181-024801P5 327.025 mm 234.95 mm 196.85 mm Frequently Asked Questions about 181-024801P5 Four-Row Tapered Roller Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
In its sealed configuration (Open Type), CHG Bearing pre-charges 181-024801P5 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.
When fitting 181-024801P5 over a 234.95 mm shaft, CHG Bearing strictly recommends uniform induction heating (controlled between 90°C and 110°C) or precision hydraulic press sleeves. Under no circumstances should direct impact blows be struck against the rings or cage, as shock loads cause brinelling indents and premature spalling.
The CHG Bearing 181-024801P5 is rated for limiting speeds up to standard rated RPM under forced oil-mist or circulating oil lubrication regimes. When lubricated with factory-filled synthetic high-speed grease, safe continuous velocity is maintained at approximately 75% to 85% of the maximum nominal limit, preventing thermal runaway.
Following standard ISO 281 fatigue calculation guidelines, the nominal rating life (L10) of CHG Bearing 181-024801P5 correlates its dynamic capacity (standard dynamic) with equivalent dynamic loads. In controlled industrial settings with proper contamination-free filtration, field data confirms continuous operational longevity exceeding 20,000 to 50,000 service hours.
