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.

LM654642/LM654610D - Double Row Tapered Roller Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | LM654642/LM654610D |
| Brand | CHG® |
| Bearing | Double Row Tapered Roller Bearing |
| Characteristics | |
| Series | 370000 |
| Number of Rows | Double Row |
| Tolerance Class | Class 4 |
| Dimensions | |
| Bore Diameter (d) | 279.982 mm |
| Width (B) | 139.7 mm |
| Outer Diameter (D) | 380.898 mm |
| Bore Diameter Tolerance | 0 – +0.025 mm |
| Outside Diameter Tolerance | 0 – +0.051 mm |
| Inner Ring Chamfer | 1.6 mm |
| Outer Ring Chamfer | 7.9 mm |
| Inner Ring Assembly Width Tolerance | -0.508 – +0.711 mm |
| Outer Ring Assembly Width | 107.95 mm |
| Outer Ring Assembly Width Tolerance | -0.508 – +0.711 mm |
| Shaft Abutment Diameter | 344 mm |
| Housing Abutment Diameter | 435.3 mm |
| Lubrication Hole Diameter | 7 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 Material | Bearing Steel |
| Cage Material | 08Al Steel / Grade 10 Steel |
| Lubrication Groove Width | 14 mm |
| Roller Material | Bearing Steel |
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.
