Manufactured by CHG Bearing, the 3806/650XP5 is a precision Four-Row Tapered Roller Bearings. Key dimensional parameters include a 650 mm bore diameter, a 850 mm outer diameter, and a 500 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.

3806/650XP5 - Four-Row Tapered Roller Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | 3806/650XP5 |
| Brand | CHG® |
| Characteristics | |
| Bearing Type | Four Row Tapered Roller Bearing |
| Number of Rows | Four Row |
| Tolerance Class | P5 |
| Dimensions | |
| Bore Diameter (d) | 650 mm |
| Width (B) | 500 mm |
| Outer Diameter (D) | 850 mm |
| Bore Diameter Tolerance | -0.05 – 0 mm |
| Outside Diameter Tolerance | -0.06 – 0 mm |
| Inner Ring Chamfer | 7.5 min mm |
| Outer Ring Chamfer | 7.5 min mm |
| Inner Ring Assembly Width Tolerance | -1.2 – +1.2 mm |
| Outer Ring Assembly Width | 500 mm |
| Outer Ring Assembly Width Tolerance | -1.2 – +1.2 mm |
| Shaft Abutment Diameter | N/A mm |
| Housing Abutment Diameter | N/A mm |
| Lubrication Hole Diameter | 10 mm |
| Performance | |
| Basic Dynamic Load Rating C (kN) | 8460 kN |
| Basic Static Load Rating C0 (kN) | 28400 kN |
| Material | |
| Mass (kg) | 739 kg |
| Ring Material | Case-Hardened Steel / Bearing Steel |
| Rolling Element Material | Case-Hardened Steel / Bearing Steel |
| Cage Material | 08Al Steel |
| Lubrication Groove Width | 17.7 mm |
3806/650XP5 850 mm 650 mm 500 mm Frequently Asked Questions about 3806/650XP5 Four-Row Tapered Roller Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Following standard ISO 281 fatigue calculation guidelines, the nominal rating life (L10) of CHG Bearing 3806/650XP5 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.
Engineered according to international ISO boundary plans, CHG Bearing supplies 3806/650XP5 with a precision bore diameter (d) of 650 mm, an outside diameter (D) of 850 mm, and a nominal ring width (B) of 500 mm. This configuration yields an effective cross-sectional wall thickness of 100.0 mm and an envelope ratio (D/d) of 1.31, delivering compact rigidity for OEM machinery housings.
Built for demanding industrial environments, the 3806/650XP5 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.
Yes, 100% of 3806/650XP5 Four-Row Tapered Roller Bearings leaving CHG Bearing production lines are subjected to multi-frequency Anderometer sound testing. All units satisfy baseline Z1V1 levels, with dedicated quiet-running electric motor quality (EMQ) lots certified to Z2V2 and Z3V3 standards for silent machinery integration.
