Manufactured by CHG Bearing, the LM778549DW/LM778510/LM778510DX1 is a precision Four-Row Tapered Roller Bearings. Key dimensional parameters include a 584.2 mm bore diameter, a 813.5 mm outer diameter, and a 396.875 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.
LM778549DW/LM778510/LM778510DX1 - Four-Row Tapered Roller Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | LM778549DW/LM778510/LM778510DX1 |
| Brand | CHG® |
| Characteristics | |
| Bearing Type | Four Row Tapered Roller Bearing |
| Number of Rows | Four Row |
| Tolerance Class | Class 4 |
| Dimensions | |
| Bore Diameter (d) | 584.2 mm |
| Width (B) | 396.875 mm |
| Outer Diameter (D) | 813.5 mm |
| Bore Diameter Tolerance | 0 – +0.051 mm |
| Outside Diameter Tolerance | 0 – +0.076 mm |
| Inner Ring Chamfer | 3.3 min mm |
| Outer Ring Chamfer | 6.4 min mm |
| Inner Ring Assembly Width Tolerance | -1.524 – +1.524 mm |
| Outer Ring Assembly Width | 401.638 mm |
| Outer Ring Assembly Width Tolerance | -1.524 – +1.524 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) | 6510 kN |
| Basic Static Load Rating C0 (kN) | 17400 kN |
| Material | |
| Mass (kg) | 606 kg |
| Ring Material | Case-Hardened Steel / Bearing Steel |
| Rolling Element Material | Case-Hardened Steel / Bearing Steel |
| Cage Material | Grade 10 Steel |
| Lubrication Groove Width | 28 mm |
LM778549DW/LM778510/LM778510DX1 813.5 mm 584.2 mm 396.875 mm Frequently Asked Questions about LM778549DW/LM778510/LM778510DX1 Four-Row Tapered Roller Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
As standard production, CHG Bearing subjects LM778549DW/LM778510/LM778510DX1 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.
Built for demanding industrial environments, the LM778549DW/LM778510/LM778510DX1 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.
Model LM778549DW/LM778510/LM778510DX1 is manufactured by CHG Bearing in standard Normal clearance (CN) for ambient temperature transmission, and C3 or C4 clearance for heavy duty applications. C3 clearance compensates for radial shrinkage caused by tight shaft press-fits (bore 584.2 mm) and steep thermal gradients between inner and outer rings.
Yes, CHG Bearing works closely with industrial OEMs and brand distributors. We offer turnkey custom engineering for LM778549DW/LM778510/LM778510DX1, including laser-etched customer logos, custom internal radial clearances, specialized grease formulations, and bespoke protective packaging.
