Manufactured by CHG Bearing, the K-LL687949/910 is a precision Single Row Tapered Roller Bearings. Key dimensional parameters include a 977.9 mm bore diameter, a 1130.3 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.
K-LL687949/910 - Single Row Tapered Roller Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | K-LL687949/910 |
| Brand | CHG® |
| Characteristics | |
| Bearing Type | Single Row Tapered Roller Bearing |
| Number of Rows | Single Row |
| Tolerance Class | Class 4 |
| Dimensions | |
| Bore Diameter (d) | 977.9 mm |
| Width (B) | N/A mm |
| Outer Diameter (D) | 1130.3 mm |
| Outer Ring Width C | 47.625 mm |
| Bore Diameter Tolerance | 0 – +0.102 mm |
| Outside Diameter Tolerance | 0 – +0.102 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 | 63.5 mm |
| Inner Ring Width Tolerance | N/A mm |
| Outer Ring Width Tolerance | N/A mm |
| Performance | |
| Basic Dynamic Load Rating C (kN) | 1780 kN |
| Basic Static Load Rating C0 (kN) | 4530 kN |
| Material | |
| Mass (kg) | 96.9 kg |
| Ring Material | Case-Hardened Steel / Bearing Steel |
| Rolling Element Material | Case-Hardened Steel / Bearing Steel |
| Cage Material | Grade 45 Steel |
K-LL687949/910 1130.3 mm 977.9 mm N/A mm Frequently Asked Questions about K-LL687949/910 Single Row Tapered Roller Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
To safeguard CHG Bearing K-LL687949/910 against fretting wear and false brinelling during transport or vibration, assemble mating surfaces (977.9 mm x 1130.3 mm) using anti-fretting mounting paste. Maintaining strict alignment and avoiding prolonged static vibration will preserve raceway polish.
Absolutely. The CHG Bearing K-LL687949/910 Single Row Tapered Roller Bearings is a 1:1 direct interchange for renowned brands, matching part numbers: SKF K-LL687949/910, FAG K-LL687949/910, NSK K-LL687949/910. It shares identical envelope boundary dimensions, load capacities, and shaft fits, allowing instant drop-in replacement without retrofitting your machinery.
To match diverse operational dynamics, CHG Bearing supplies K-LL687949/910 with multiple cage configurations: high-strength pressed steel ribbon cages for standard duty, solid machined brass cages (M/CA) for heavy vibration and shock loads, or lightweight glass-fiber reinforced polyamide cages (TN9/TVP) for high acceleration and ultra-low noise.
Following standard ISO 281 fatigue calculation guidelines, the nominal rating life (L10) of CHG Bearing K-LL687949/910 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.
