Manufactured by CHG Bearing, the LM249747NW/LM249710CD is a precision Double Row Tapered Roller Bearings. Key dimensional parameters include a 253.975 mm bore diameter, a 347.662 mm outer diameter, and a 101.6 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.

LM249747NW/LM249710CD - Double Row Tapered Roller Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | LM249747NW/LM249710CD |
| Brand | CHG® |
| Bearing | Double Row Tapered Roller Bearing |
| Characteristics | |
| Series | 370000 |
| Number of Rows | Double Row |
| Tolerance Class | P0 |
| Dimensions | |
| Bore Diameter (d) | 253.975 mm |
| Width (B) | 101.6 mm |
| Outer Diameter (D) | 347.662 mm |
| Bore Diameter Tolerance | -0.03 – 0 mm |
| Outside Diameter Tolerance | -0.04 – 0 mm |
| Inner Ring Chamfer | 3 mm |
| Outer Ring Chamfer | 4 mm |
| Inner Ring Assembly Width Tolerance | -0.3 – 0 mm |
| Outer Ring Assembly Width | 104 mm |
| Outer Ring Assembly Width Tolerance | -0.40 – 0 mm |
| Shaft Abutment Diameter | 213 mm |
| Housing Abutment Diameter | 306 mm |
| Lubrication Hole Diameter | 6 mm |
| Performance | |
| Basic Dynamic Load Rating C (kN) | 785 kN |
| Basic Static Load Rating C0 (kN) | 1400 kN |
| Material | |
| Mass (kg) | 33 kg |
| Ring Material | Bearing Steel |
| Cage Material | 08Al Steel / Grade 10 Steel |
| Lubrication Groove Width | 12 mm |
| Roller Material | Bearing Steel |
LM249747NW/LM249710CD 347.662 mm 253.975 mm Frequently Asked Questions about LM249747NW/LM249710CD Double Row Tapered Roller Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Yes, CHG Bearing works closely with industrial OEMs and brand distributors. We offer turnkey custom engineering for LM249747NW/LM249710CD, including laser-etched customer logos, custom internal radial clearances, specialized grease formulations, and bespoke protective packaging.
To match diverse operational dynamics, CHG Bearing supplies LM249747NW/LM249710CD 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.
Model LM249747NW/LM249710CD 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 253.975 mm) and steep thermal gradients between inner and outer rings.
Sourcing LM249747NW/LM249710CD directly from CHG Bearing eliminates intermediate brokerage markups while granting you factory-direct engineering backup, rigorous ISO-certified quality assurance, competitive volume wholesale pricing, and dependable supply chain stability for Double Row Tapered Roller Bearings.
