Manufactured by CHG Bearing, the LM761649DW/610/610D is a precision Four-Row Tapered Roller Bearings. Key dimensional parameters include a 343.052 mm bore diameter, a 457.098 mm outer diameter, and a 254 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.
LM761649DW/610/610D - Four-Row Tapered Roller Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | LM761649DW/610/610D |
| Brand | CHG® |
| Characteristics | |
| Bearing Type | Four Row Tapered Roller Bearing |
| Number of Rows | Four Row |
| Tolerance Class | Class 4 |
| Dimensions | |
| Bore Diameter (d) | 343.052 mm |
| Width (B) | 254 mm |
| Outer Diameter (D) | 457.098 mm |
| Bore Diameter Tolerance | 0 – +0.051 mm |
| Outside Diameter Tolerance | 0 – +0.051 mm |
| Inner Ring Chamfer | 1.5 min mm |
| Outer Ring Chamfer | 3.3 min mm |
| Inner Ring Assembly Width Tolerance | -1.524 – +1.524 mm |
| Outer Ring Assembly Width | 254 mm |
| Outer Ring Assembly Width Tolerance | -1.524 – +1.524 mm |
| Shaft Abutment Diameter | 355 mm |
| Housing Abutment Diameter | 429 mm |
| Lubrication Hole Diameter | 6 mm |
| Performance | |
| Basic Dynamic Load Rating C (kN) | 2820 kN |
| Basic Static Load Rating C0 (kN) | 6760 kN |
| Material | |
| Mass (kg) | 114 kg |
| Ring Material | Case-Hardened Steel / Bearing Steel |
| Rolling Element Material | Case-Hardened Steel / Bearing Steel |
| Cage Material | Grade 10 Steel |
| Lubrication Groove Width | 12.2 mm |
LM761649DW/610/610D 457.098 mm 343.052 mm 254 mm Frequently Asked Questions about LM761649DW/610/610D Four-Row Tapered Roller Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Yes, 100% of LM761649DW/610/610D Four-Row Tapered Roller Bearings leaving CHG Bearing production lines are subjected to multi-frequency Anderometer sound testing. All units satisfy baseline Z1V1 levels, with dedicated quiet-running electric motor quality (EMQ) lots certified to Z2V2 and Z3V3 standards for silent machinery integration.
Following standard ISO 281 fatigue calculation guidelines, the nominal rating life (L10) of CHG Bearing LM761649DW/610/610D 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.
Engineered according to international ISO boundary plans, CHG Bearing supplies LM761649DW/610/610D with a precision bore diameter (d) of 343.052 mm, an outside diameter (D) of 457.098 mm, and a nominal ring width (B) of 254 mm. This configuration yields an effective cross-sectional wall thickness of 57.0 mm and an envelope ratio (D/d) of 1.33, delivering compact rigidity for OEM machinery housings.
When fitting LM761649DW/610/610D over a 343.052 mm shaft, CHG Bearing strictly recommends uniform induction heating (controlled between 90°C and 110°C) or precision hydraulic press sleeves. Under no circumstances should direct impact blows be struck against the rings or cage, as shock loads cause brinelling indents and premature spalling.
