Product Description
NTN 4T-LM102910 is a bearing cup for single-row tapered roller assemblies, specified with a 2.891 inch outer diameter (73.431 mm), 0.62 inch width (15.748 mm), and manufactured from bearing grade steel for use in gearboxes, hoisting equipment, rolling mills, and industrial axles. Compatible with LM102949 cone.
Specifications
Dimensional Specifications
| Basic Number | LM102910 |
Material & Construction
| Outer Ring Material | Bearing grade steel |
Mechanical Specifications
| Rated Maximum Speed (Grease) | 4,800 RPM |
| Rated Maximum Speed (Oil) | 6,400 RPM |
Part Numbers
| Manufacturer Part Number | 4T-LM102910 |
| Assembly Compatibility | Compatible cone: LM102949 |
| Cup and Cone Assembly | LM102949/LM102910 |
Frequently Asked Questions
Q: What are the dimensions and specifications of the NT4T-LM02910 bearing cup?
A: The NT4T-LM02910 is a tapered roller bearing cup with an outer diameter of 2.891 inches (73.431 mm) and a width of 0.62 inches (15.748 mm). It is manufactured from bearing grade steel and rated for a maximum speed of 4800 RPM in grease applications and 6400 RPM in oil applications.
Q: Which cone assembly is compatible with the NT4T-LM02910 bearing cup?
A: The NT4T-LM02910 cup pairs with the LM102949 cone as the matched assembly. This cup and cone combination is designed for radial and thrust loading in industrial applications.
Q: What applications is the NT4T-LM02910 bearing cup used for?
A: This bearing cup is specified for gearboxes, hoisting equipment, rolling mills, and industrial axles where single-row tapered roller assemblies are required for heavy-duty service.
Q: What is the basic bearing number for the NT4T-LM02910?
A: The basic bearing number is LM102910. The manufacturer part number is 4T-LM102910. Cross-reference this when ordering replacement or equivalent parts.
Q: What material is the NT4T-LM02910 made from and how does it affect durability?
A: The NT4T-LM02910 is manufactured from bearing grade steel, which provides high hardness, wear resistance, and fatigue strength. This material specification ensures long service life in heavy-duty industrial and hoisting applications.