Double Row Tapered Roller Bearings

LM654642/LM654610D - Double Row Tapered Roller Bearings

Manufactured by CHG Bearing, the LM654642/LM654610D is a precision Double Row Tapered Roller Bearings. Key dimensional parameters include a 279.982 mm bore diameter, a 380.898 mm outer diameter, and a 139.7 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 NumberLM654642/LM654610D
BrandCHG®
BearingDouble Row Tapered Roller Bearing
Characteristics
Series370000
Number of RowsDouble Row
Tolerance ClassClass 4
Dimensions
Bore Diameter (d)279.982 mm
Width (B)139.7 mm
Outer Diameter (D)380.898 mm
Bore Diameter Tolerance0 – +0.025 mm
Outside Diameter Tolerance0 – +0.051 mm
Inner Ring Chamfer1.6 mm
Outer Ring Chamfer7.9 mm
Inner Ring Assembly Width Tolerance-0.508 – +0.711 mm
Outer Ring Assembly Width107.95 mm
Outer Ring Assembly Width Tolerance-0.508 – +0.711 mm
Shaft Abutment Diameter344 mm
Housing Abutment Diameter435.3 mm
Lubrication Hole Diameter7 mm
Performance
Basic Dynamic Load Rating C (kN)1240 kN
Basic Static Load Rating C0 (kN)2760 kN
Material
Mass (kg)61.2 kg
Ring MaterialBearing Steel
Cage Material08Al Steel / Grade 10 Steel
Lubrication Groove Width14 mm
Roller MaterialBearing Steel
CAD Drawing and Dimensions for LM654642/LM654610D Double Row Tapered Roller Bearings LM654642/LM654610D 380.898 mm 279.982 mm

Frequently Asked Questions about LM654642/LM654610D Double Row Tapered Roller Bearings

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

For international ocean and air freight, CHG Bearing packs LM654642/LM654610D with industrial VCI anti-corrosion barrier wrapping, sealed polybags, individual cartons, and fumigated ocean-worthy wooden crates. This multi-layer barrier guarantees rust-free storage for a minimum shelf life of 24 to 36 months.
Yes, CHG Bearing works closely with industrial OEMs and brand distributors. We offer turnkey custom engineering for LM654642/LM654610D, including laser-etched customer logos, custom internal radial clearances, specialized grease formulations, and bespoke protective packaging.
The CHG Bearing LM654642/LM654610D 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.
To match diverse operational dynamics, CHG Bearing supplies LM654642/LM654610D 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.
LM654642/LM654610D - Double Row Tapered Roller Bearings CAD Drawing LM654642/LM654610D 380.898 mm 279.982 mm