Manufactured by CHG Bearing, the LM869448/LM869410D is a precision Double Row Tapered Roller Bearings. Key dimensional parameters include a 431.8 mm bore diameter, a 571.5 mm outer diameter, and a 155.575 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.
LM869448/LM869410D - Double Row Tapered Roller Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | LM869448/LM869410D |
| Brand | CHG® |
| Bearing | Double Row Tapered Roller Bearing |
| Characteristics | |
| Series | 370000 |
| Number of Rows | Double Row |
| Tolerance Class | Class 4 |
| Dimensions | |
| Bore Diameter (d) | 431.8 mm |
| Width (B) | 155.575 mm |
| Outer Diameter (D) | 571.5 mm |
| Bore Diameter Tolerance | 0 – +0.051 mm |
| Outside Diameter Tolerance | 0 – +0.076 mm |
| Inner Ring Chamfer | 6.4 mm |
| Outer Ring Chamfer | 3.2 mm |
| Inner Ring Assembly Width Tolerance | -0.508 – +0.711 mm |
| Outer Ring Assembly Width | 269.875 mm |
| Outer Ring Assembly Width Tolerance | -0.508 – +0.711 mm |
| Shaft Abutment Diameter | 575 mm |
| Housing Abutment Diameter | 740 mm |
| Lubrication Hole Diameter | 10 mm |
| Performance | |
| Basic Dynamic Load Rating C (kN) | 5630 kN |
| Basic Static Load Rating C0 (kN) | 14400 kN |
| Material | |
| Mass (kg) | 401 kg |
| Ring Material | Case-Hardened Steel / Bearing Steel |
| Cage Material | 08Al Steel / Grade 10 Steel |
| Lubrication Groove Width | 24 mm |
| Roller Material | Case-Hardened Steel / Bearing Steel |
LM869448/LM869410D 571.5 mm 431.8 mm Frequently Asked Questions about LM869448/LM869410D Double Row Tapered Roller Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Model LM869448/LM869410D 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 431.8 mm) and steep thermal gradients between inner and outer rings.
Absolutely. The CHG Bearing LM869448/LM869410D Double Row Tapered Roller Bearings is a 1:1 direct interchange for renowned brands, matching part numbers: SKF LM869448/LM869410D, FAG LM869448/LM869410D, NSK LM869448/LM869410D. It shares identical envelope boundary dimensions, load capacities, and shaft fits, allowing instant drop-in replacement without retrofitting your machinery.
When fitting LM869448/LM869410D over a 431.8 mm shaft, CHG Bearing strictly recommends uniform induction heating (controlled between 90°C and 110°C) or precision hydraulic press sleeves. Under no circumstances should direct impact blows be struck against the rings or cage, as shock loads cause brinelling indents and premature spalling.
Standard batches of CHG Bearing LM869448/LM869410D conform strictly to ISO Class Normal (ABEC-1). For high-precision machine tool spindles, gearboxes, or robotics requiring tighter runouts, CHG Bearing can provide custom batches graded to ISO Class 6 (P6/ABEC-3) or ISO Class 5 (P5/ABEC-5) with 100% micrometer verification.
