Double Row Tapered Roller Bearings

LM249747NW/LM249710CD - Double Row Tapered Roller Bearings

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.

Technical Specifications

Overview
Part NumberLM249747NW/LM249710CD
BrandCHG®
BearingDouble Row Tapered Roller Bearing
Characteristics
Series370000
Number of RowsDouble Row
Tolerance ClassP0
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 Chamfer3 mm
Outer Ring Chamfer4 mm
Inner Ring Assembly Width Tolerance-0.3 – 0 mm
Outer Ring Assembly Width104 mm
Outer Ring Assembly Width Tolerance-0.40 – 0 mm
Shaft Abutment Diameter213 mm
Housing Abutment Diameter306 mm
Lubrication Hole Diameter6 mm
Performance
Basic Dynamic Load Rating C (kN)785 kN
Basic Static Load Rating C0 (kN)1400 kN
Material
Mass (kg)33 kg
Ring MaterialBearing Steel
Cage Material08Al Steel / Grade 10 Steel
Lubrication Groove Width12 mm
Roller MaterialBearing Steel
CAD Drawing and Dimensions for LM249747NW/LM249710CD Double Row Tapered Roller Bearings 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.
LM249747NW/LM249710CD - Double Row Tapered Roller Bearings CAD Drawing LM249747NW/LM249710CD 347.662 mm 253.975 mm