Manufactured by CHG Bearing, the 67791DW/67720/67721DP5 is a precision Four-Row Tapered Roller Bearings. Key dimensional parameters include a 177.8 mm bore diameter, a 247.65 mm outer diameter, and a 192.088 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.
67791DW/67720/67721DP5 - Four-Row Tapered Roller Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | 67791DW/67720/67721DP5 |
| Brand | CHG® |
| Characteristics | |
| Bearing Type | Four Row Tapered Roller Bearing |
| Number of Rows | Four Row |
| Tolerance Class | P5 |
| Dimensions | |
| Bore Diameter (d) | 177.8 mm |
| Width (B) | 192.088 mm |
| Outer Diameter (D) | 247.65 mm |
| Bore Diameter Tolerance | 0 – +0.013 mm |
| Outside Diameter Tolerance | 0 – +0.013 mm |
| Inner Ring Chamfer | 1.6 min mm |
| Outer Ring Chamfer | 3.2 min mm |
| Inner Ring Assembly Width Tolerance | -1.524 – +1.524 mm |
| Outer Ring Assembly Width | 192.088 mm |
| Outer Ring Assembly Width Tolerance | -1.524 – +1.524 mm |
| Shaft Abutment Diameter | 187 mm |
| Housing Abutment Diameter | 228 mm |
| Lubrication Hole Diameter | 8 mm |
| Performance | |
| Basic Dynamic Load Rating C (kN) | 1010 kN |
| Basic Static Load Rating C0 (kN) | 2780 kN |
| Material | |
| Mass (kg) | 27.9 kg |
| Ring Material | Bearing Steel |
| Rolling Element Material | Bearing Steel |
| Cage Material | Grade 10 Steel |
| Lubrication Groove Width | 9.5 mm |
67791DW/67720/67721DP5 247.65 mm 177.8 mm 192.088 mm Frequently Asked Questions about 67791DW/67720/67721DP5 Four-Row Tapered Roller Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Yes, CHG Bearing works closely with industrial OEMs and brand distributors. We offer turnkey custom engineering for 67791DW/67720/67721DP5, including laser-etched customer logos, custom internal radial clearances, specialized grease formulations, and bespoke protective packaging.
Absolutely. The CHG Bearing 67791DW/67720/67721DP5 Four-Row Tapered Roller Bearings is a 1:1 direct interchange for renowned brands, matching part numbers: SKF 67791DW/67720/67721DP5, FAG 67791DW/67720/67721DP5, NSK 67791DW/67720/67721DP5. It shares identical envelope boundary dimensions, load capacities, and shaft fits, allowing instant drop-in replacement without retrofitting your machinery.
Beyond standard alloy steel, CHG Bearing can customize the 67791DW/67720/67721DP5 Four-Row Tapered Roller Bearings using AISI 440C stainless steel, black oxide coating, zinc-nickel plating, or hybrid ceramic (Si3N4) balls for applications involving chemical exposure, marine salt fog, or galvanic current hazards.
Following standard ISO 281 fatigue calculation guidelines, the nominal rating life (L10) of CHG Bearing 67791DW/67720/67721DP5 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.
