Manufactured by CHG Bearing, the K-LL648449/415 is a precision Single Row Tapered Roller Bearings. Key dimensional parameters include a 254 mm bore diameter, a 315.912 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-LL648449/415 - Single Row Tapered Roller Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | K-LL648449/415 |
| Brand | CHG® |
| Characteristics | |
| Bearing Type | Single Row Tapered Roller Bearing |
| Number of Rows | Single Row |
| Tolerance Class | Class 4 |
| Dimensions | |
| Bore Diameter (d) | 254 mm |
| Width (B) | N/A mm |
| Outer Diameter (D) | 315.912 mm |
| Outer Ring Width C | 22.225 mm |
| Bore Diameter Tolerance | 0 – +0.025 mm |
| Outside Diameter Tolerance | 0 – +0.051 mm |
| Inner Ring Chamfer | 3.5 min mm |
| Outer Ring Chamfer | 3.3 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 | 31.75 mm |
| Inner Ring Width Tolerance | N/A mm |
| Outer Ring Width Tolerance | N/A mm |
| Performance | |
| Basic Dynamic Load Rating C (kN) | 275 kN |
| Basic Static Load Rating C0 (kN) | 600 kN |
| Material | |
| Mass (kg) | 5.1 kg |
| Ring Material | Case-Hardened Steel / Bearing Steel |
| Rolling Element Material | Case-Hardened Steel / Bearing Steel |
| Cage Material | 08Al Steel |
K-LL648449/415 315.912 mm 254 mm N/A mm Frequently Asked Questions about K-LL648449/415 Single Row Tapered Roller Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
The Open Type engineered for K-LL648449/415 by CHG Bearing utilizes precision non-contact metal shields or reinforced NBR/FKM contact lip seals. This barrier prevents particulate ingress, washdown fluids, and abrasive dust from reaching the raceways while eliminating grease leakage under centrifugal forces.
As a primary manufacturer, CHG Bearing supports both trial batch evaluations and container-load supply for K-LL648449/415. Standard catalog sizes are stocked for rapid 3–7 day dispatch, while high-volume OEM production runs typically dispatch within 30–45 days.
Beyond standard alloy steel, CHG Bearing can customize the K-LL648449/415 Single 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.
To extend the trouble-free lifespan of CHG Bearing K-LL648449/415, preventive maintenance routines should monitor operating housing temperature (normally maintaining below 70°C) and conduct regular vibration FFT analysis to identify early raceway micro-pitting before unexpected line halts occur.
