Manufactured by CHG Bearing, the 3806/540/HC/P5 is a precision Four-Row Tapered Roller Bearings. Key dimensional parameters include a 540 mm bore diameter, a 690 mm outer diameter, and a 400 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.

3806/540/HC/P5 - Four-Row Tapered Roller Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | 3806/540/HC/P5 |
| Brand | CHG® |
| Characteristics | |
| Bearing Type | Four Row Tapered Roller Bearing |
| Number of Rows | Four Row |
| Tolerance Class | P5 |
| Dimensions | |
| Bore Diameter (d) | 540 mm |
| Width (B) | 400 mm |
| Outer Diameter (D) | 690 mm |
| Bore Diameter Tolerance | -0.040 – 0 mm |
| Outside Diameter Tolerance | -0.045 – 0 mm |
| Inner Ring Chamfer | 3 min mm |
| Outer Ring Chamfer | 6 min mm |
| Inner Ring Assembly Width Tolerance | -1 – +1 mm |
| Outer Ring Assembly Width | N/A mm |
| Outer Ring Assembly Width Tolerance | -1 – +1 mm |
| Shaft Abutment Diameter | 571 mm |
| Housing Abutment Diameter | 637 mm |
| Lubrication Hole Diameter | 9 mm |
| Performance | |
| Basic Dynamic Load Rating C (kN) | 5630 kN |
| Basic Static Load Rating C0 (kN) | 19100 kN |
| Material | |
| Mass (kg) | 360 kg |
| Ring Material | Case-Hardened Steel / Bearing Steel |
| Rolling Element Material | Case-Hardened Steel / Bearing Steel |
| Cage Material | Grade 45 Steel / 08Al Steel / Grade 10 Steel |
| Lubrication Groove Width | 20 mm |
3806/540/HC/P5 690 mm 540 mm 400 mm Frequently Asked Questions about 3806/540/HC/P5 Four-Row Tapered Roller Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Built for demanding industrial environments, the 3806/540/HC/P5 Four-Row Tapered Roller Bearings by CHG Bearing boasts a dynamic load rating (Cr) of standard dynamic and a static load threshold (C0r) of standard static. The optimized internal raceway geometry balances stress distribution, mitigating edge loading even when operating under peak mechanical stresses.
In its sealed configuration (Open Type), CHG Bearing pre-charges 3806/540/HC/P5 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.
Quality starts with raw material selection: CHG Bearing crafts 3806/540/HC/P5 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.
To ensure optimum performance of CHG Bearing 3806/540/HC/P5 Four-Row Tapered Roller Bearings under general rotational loads, our application engineers advise an inner-ring shaft tolerance of m5 or k5 for the 540 mm bore. For the 690 mm outer ring, an H7 or J7 housing bore fit is recommended to eliminate creep while accommodating normal thermal gradient expansion.
