Manufactured by CHG Bearing, the L879947/L879910 is a precision Single Row Tapered Roller Bearings. Key dimensional parameters include a 609.6 mm bore diameter, a 762 mm outer diameter, and a N/A 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.
L879947/L879910 - Single Row Tapered Roller Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | L879947/L879910 |
| Brand | CHG® |
| Characteristics | |
| Bearing Type | Single Row Tapered Roller Bearing |
| Number of Rows | Single Row |
| Tolerance Class | Class 4 |
| Dimensions | |
| Bore Diameter (d) | 609.6 mm |
| Width (B) | N/A mm |
| Outer Diameter (D) | 762 mm |
| Outer Ring Width C | 71.438 mm |
| Bore Diameter Tolerance | 0 – +0.051 mm |
| Outside Diameter Tolerance | 0 – +0.076 mm |
| Inner Ring Chamfer | 6.4 min mm |
| Outer Ring Chamfer | 6.4 min mm |
| Shaft Abutment Diameter | N/A mm |
| Housing Abutment Diameter | N/A mm |
| Overall Bearing Width Tolerance | N/A mm |
| Inner Ring Width B | 92.075 mm |
| Inner Ring Width Tolerance | N/A mm |
| Outer Ring Width Tolerance | N/A mm |
| Performance | |
| Basic Dynamic Load Rating C (kN) | 1720 kN |
| Basic Static Load Rating C0 (kN) | 4340 kN |
| Material | |
| Mass (kg) | 91.8 kg |
| Ring Material | Case-Hardened Steel / Bearing Steel |
| Rolling Element Material | Case-Hardened Steel / Bearing Steel |
| Cage Material | Grade 45 Steel |
L879947/L879910 762 mm 609.6 mm N/A mm Frequently Asked Questions about L879947/L879910 Single Row Tapered Roller Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Model L879947/L879910 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 609.6 mm) and steep thermal gradients between inner and outer rings.
Quality starts with raw material selection: CHG Bearing crafts L879947/L879910 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.
When fitting L879947/L879910 over a 609.6 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.
Yes, 100% of L879947/L879910 Single 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.
