Manufactured by CHG Bearing, the HH258249DW/HH258210 is a precision Double Row Tapered Roller Bearings. Key dimensional parameters include a 303.273 mm bore diameter, a 495.3 mm outer diameter, and a 263.525 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.
HH258249DW/HH258210 - Double Row Tapered Roller Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | HH258249DW/HH258210 |
| Brand | CHG® |
| Bearing | Double Row Tapered Roller Bearing |
| Characteristics | |
| Series | 370000 |
| Number of Rows | Double Row |
| Tolerance Class | Class 3 |
| Dimensions | |
| Bore Diameter (d) | 303.273 mm |
| Width (B) | 263.525 mm |
| Outer Diameter (D) | 495.3 mm |
| Bore Diameter Tolerance | 0 – +0.013 mm |
| Outside Diameter Tolerance | 0 – +0.025 mm |
| Inner Ring Chamfer | 6.4 min mm |
| Outer Ring Chamfer | 3.2 min mm |
| Inner Ring Assembly Width Tolerance | -0.254 – +0.076 mm |
| Outer Ring Assembly Width | 263.525 mm |
| Outer Ring Assembly Width Tolerance | -0.508 – +0.711 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) | 3700 kN |
| Basic Static Load Rating C0 (kN) | 8250 kN |
| Material | |
| Mass (kg) | 210 kg |
| Ring Material | Case-Hardened Steel / Bearing Steel |
| Cage Material | 08Al Steel / Grade 10 Steel |
| Lubrication Groove Width | 31.525 mm |
| Roller Material | Case-Hardened Steel |
HH258249DW/HH258210 495.3 mm 303.273 mm Frequently Asked Questions about HH258249DW/HH258210 Double Row Tapered Roller Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Quality starts with raw material selection: CHG Bearing crafts HH258249DW/HH258210 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.
Yes, CHG Bearing works closely with industrial OEMs and brand distributors. We offer turnkey custom engineering for HH258249DW/HH258210, including laser-etched customer logos, custom internal radial clearances, specialized grease formulations, and bespoke protective packaging.
Absolutely. The CHG Bearing HH258249DW/HH258210 Double Row Tapered Roller Bearings is a 1:1 direct interchange for renowned brands, matching part numbers: SKF HH258249DW/HH258210, FAG HH258249DW/HH258210, NSK HH258249DW/HH258210. 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 HH258249DW/HH258210 Double 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.
