Manufactured by CHG Bearing, the 31084X2P5 is a precision Single Row Tapered Roller Bearings. Key dimensional parameters include a 420 mm bore diameter, a 620 mm outer diameter, and a N/A 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.

31084X2P5 - Single Row Tapered Roller Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | 31084X2P5 |
| Brand | CHG® |
| Characteristics | |
| Bearing Type | Single Row Tapered Roller Bearing |
| Number of Rows | Single Row |
| Tolerance Class | P5 |
| Dimensions | |
| Bore Diameter (d) | 420 mm |
| Width (B) | N/A mm |
| Outer Diameter (D) | 620 mm |
| Outer Ring Width C | 70 mm |
| Bore Diameter Tolerance | -0.035 – 0 mm |
| Outside Diameter Tolerance | -0.038 – 0 mm |
| Inner Ring Chamfer | 4 min mm |
| Outer Ring Chamfer | 4 min mm |
| Shaft Abutment Diameter | 448 mm |
| Housing Abutment Diameter | 579 mm |
| Overall Bearing Width Tolerance | N/A mm |
| Inner Ring Width B | 90 mm |
| Inner Ring Width Tolerance | -0.90 – 0 mm |
| Outer Ring Width Tolerance | -0.90 – 0 mm |
| Performance | |
| Basic Dynamic Load Rating C (kN) | 1570 kN |
| Basic Static Load Rating C0 (kN) | 2960 kN |
| Material | |
| Mass (kg) | 90.4 kg |
| Ring Material | Case-Hardened Steel / Bearing Steel |
| Rolling Element Material | Case-Hardened Steel / Bearing Steel |
| Cage Material | Grade 10 Steel |
31084X2P5 620 mm 420 mm N/A mm Frequently Asked Questions about 31084X2P5 Single Row Tapered Roller Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Every production batch of CHG Bearing 31084X2P5 Single Row Tapered Roller Bearings comes with complete traceability. Upon shipment, CHG Bearing can provide EN 10204 3.1 Material Test Reports (MTR), Certificates of Conformity (CoC), spectral chemical composition analysis, and dimensional inspection sheets.
To extend the trouble-free lifespan of CHG Bearing 31084X2P5, 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.
In its sealed configuration (Open Type), CHG Bearing pre-charges 31084X2P5 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.
As standard production, CHG Bearing subjects 31084X2P5 to precision bainite or martensite quenching, offering dimensional stability up to 120°C (248°F). For high-heat processing equipment, CHG Bearing also supplies custom S0 (150°C), S1 (200°C), or S2 (250°C) stabilization heat treatments upon request to prevent residual austenite transformation.
