Manufactured by CHG Bearing, the K-L163149/L163110CD is a precision Double Row Tapered Roller Bearings. Key dimensional parameters include a 355.6 mm bore diameter, a 444.5 mm outer diameter, and a 136.525 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-L163149/L163110CD - Double Row Tapered Roller Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | K-L163149/L163110CD |
| Brand | CHG® |
| Bearing | Double Row Tapered Roller Bearing |
| Characteristics | |
| Series | 370000 |
| Number of Rows | Double Row |
| Tolerance Class | P0 |
| Dimensions | |
| Bore Diameter (d) | 355.6 mm |
| Width (B) | 136.525 mm |
| Outer Diameter (D) | 444.5 mm |
| Bore Diameter Tolerance | -0.02 – 0 mm |
| Outside Diameter Tolerance | -0.030 – 0 mm |
| Inner Ring Chamfer | 3 mm |
| Outer Ring Chamfer | 1 mm |
| Inner Ring Assembly Width Tolerance | -0.20 – 0 mm |
| Outer Ring Assembly Width | 118 mm |
| Outer Ring Assembly Width Tolerance | -0.3 – 0 mm |
| Shaft Abutment Diameter | 129 mm |
| Housing Abutment Diameter | 226 mm |
| Lubrication Hole Diameter | 5 mm |
| Performance | |
| Basic Dynamic Load Rating C (kN) | 730 kN |
| Basic Static Load Rating C0 (kN) | 1040 kN |
| Material | |
| Mass (kg) | 25.2 kg |
| Ring Material | Bearing Steel |
| Cage Material | 08Al Steel / Grade 10 Steel |
| Lubrication Groove Width | 10 mm |
| Roller Material | Bearing Steel |
K-L163149/L163110CD 444.5 mm 355.6 mm Frequently Asked Questions about K-L163149/L163110CD Double Row Tapered Roller Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Model K-L163149/L163110CD 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 355.6 mm) and steep thermal gradients between inner and outer rings.
Built for demanding industrial environments, the K-L163149/L163110CD Double 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.
Yes, 100% of K-L163149/L163110CD Double 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.
To extend the trouble-free lifespan of CHG Bearing K-L163149/L163110CD, 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.
