Double Row Tapered Roller Bearings

LM757043TD/LM757010 - Double Row Tapered Roller Bearings

Manufactured by CHG Bearing, the LM757043TD/LM757010 is a precision Double Row Tapered Roller Bearings. Key dimensional parameters include a 295.275 mm bore diameter, a 406.4 mm outer diameter, and a 203.2 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 NumberLM757043TD/LM757010
BrandCHG®
BearingDouble Row Tapered Roller Bearing
Characteristics
Series370000
Number of RowsDouble Row
Tolerance ClassClass 3
Dimensions
Bore Diameter (d)295.275 mm
Width (B)203.2 mm
Outer Diameter (D)406.4 mm
Bore Diameter Tolerance0 – +0.013 mm
Outside Diameter Tolerance0 – +0.025 mm
Inner Ring Chamfer3.2 mm
Outer Ring Chamfer1.6 mm
Inner Ring Assembly Width Tolerance-0.406 – +0.406 mm
Outer Ring Assembly Width203.2 mm
Outer Ring Assembly Width Tolerance-0.406 – +0.406 mm
Shaft Abutment Diameter319.5 mm
Housing Abutment Diameter394 mm
Lubrication Hole Diameter7 mm
Performance
Basic Dynamic Load Rating C (kN)1280 kN
Basic Static Load Rating C0 (kN)3170 kN
Material
Mass (kg)69.4 kg
Ring MaterialBearing Steel
Cage Material08Al Steel / Grade 10 Steel
Lubrication Groove Width14 mm
Roller MaterialBearing Steel
CAD Drawing and Dimensions for LM757043TD/LM757010 Double Row Tapered Roller Bearings LM757043TD/LM757010 406.4 mm 295.275 mm

Frequently Asked Questions about LM757043TD/LM757010 Double Row Tapered Roller Bearings

Find key technical answers regarding dimensions, specifications, and replacement options for this model.

Yes, 100% of LM757043TD/LM757010 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.
The CHG Bearing LM757043TD/LM757010 is rated for limiting speeds up to standard rated RPM under forced oil-mist or circulating oil lubrication regimes. When lubricated with factory-filled synthetic high-speed grease, safe continuous velocity is maintained at approximately 75% to 85% of the maximum nominal limit, preventing thermal runaway.
Following standard ISO 281 fatigue calculation guidelines, the nominal rating life (L10) of CHG Bearing LM757043TD/LM757010 correlates its dynamic capacity (standard dynamic) with equivalent dynamic loads. In controlled industrial settings with proper contamination-free filtration, field data confirms continuous operational longevity exceeding 20,000 to 50,000 service hours.
Yes, CHG Bearing works closely with industrial OEMs and brand distributors. We offer turnkey custom engineering for LM757043TD/LM757010, including laser-etched customer logos, custom internal radial clearances, specialized grease formulations, and bespoke protective packaging.
LM757043TD/LM757010 - Double Row Tapered Roller Bearings CAD Drawing LM757043TD/LM757010 406.4 mm 295.275 mm