Manufactured by CHG Bearing, the 31072X2 is a precision Single Row Tapered Roller Bearings. Key dimensional parameters include a 360 mm bore diameter, a 540 mm outer diameter, and a 86 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.
31072X2 - Single Row Tapered Roller Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | 31072X2 |
| Brand | CHG® |
| Characteristics | |
| Bearing Type | Single Row Tapered Roller Bearing |
| Number of Rows | Single Row |
| Tolerance Class | P5 |
| Dimensions | |
| Bore Diameter (d) | 360 mm |
| Width (B) | 86 mm |
| Outer Diameter (D) | 540 mm |
| Outer Ring Width C | 64 mm |
| Bore Diameter Tolerance | -0.030 – 0 mm |
| Outside Diameter Tolerance | -0.038 – 0 mm |
| Inner Ring Chamfer | 4.7 min mm |
| Outer Ring Chamfer | 4.7 min mm |
| Shaft Abutment Diameter | 380 mm |
| Housing Abutment Diameter | 504 mm |
| Overall Bearing Width Tolerance | -0.40 – +0.40 mm |
| Inner Ring Width B | 82 mm |
| Inner Ring Width Tolerance | -0.80 – 0 mm |
| Outer Ring Width Tolerance | -0.80 – 0 mm |
| Performance | |
| Basic Dynamic Load Rating C (kN) | 1460 kN |
| Basic Static Load Rating C0 (kN) | 2660 kN |
| Material | |
| Mass (kg) | 61.4 kg |
| Ring Material | Case-Hardened Steel / Bearing Steel |
| Rolling Element Material | Case-Hardened Steel / Bearing Steel |
| Cage Material | 08Al Steel |
31072X2 540 mm 360 mm 86 mm Frequently Asked Questions about 31072X2 Single Row Tapered Roller Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
For international ocean and air freight, CHG Bearing packs 31072X2 with industrial VCI anti-corrosion barrier wrapping, sealed polybags, individual cartons, and fumigated ocean-worthy wooden crates. This multi-layer barrier guarantees rust-free storage for a minimum shelf life of 24 to 36 months.
Sourcing 31072X2 directly from CHG Bearing eliminates intermediate brokerage markups while granting you factory-direct engineering backup, rigorous ISO-certified quality assurance, competitive volume wholesale pricing, and dependable supply chain stability for Single Row Tapered Roller Bearings.
Following standard ISO 281 fatigue calculation guidelines, the nominal rating life (L10) of CHG Bearing 31072X2 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.
Absolutely. The CHG Bearing 31072X2 Single Row Tapered Roller Bearings is a 1:1 direct interchange for renowned brands, matching part numbers: SKF 31072X2, FAG 31072X2, NSK 31072X2. It shares identical envelope boundary dimensions, load capacities, and shaft fits, allowing instant drop-in replacement without retrofitting your machinery.
