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| Parameter | SKFLM 377449/410558.8 × 736.6 × mm | TIMKENLM377449H-902C5558.8 × 736.6 × 104.775 mm |
|---|---|---|
| Comparable specifications | ||
| Brand | SKF | TIMKEN |
| Designation | LM 377449/410 | LM377449H-902C5 |
| Product family | Tapered roller bearings | TS - Tapered Single |
| Detailed type | Single row tapered roller bearing | Tapered roller bearings |
| Series | — | LM377400 |
| Bore diameterd | 558.8 mm | 558.8 mm |
| Outside diameterD | 736.6 mm | 736.6 mm |
| WidthB | — | 104.775 mm |
| Basic dynamic load ratingC | 2482 kN | 2860 kN |
| Basic static load ratingC0 | 5700 kN | 6090 kN |
| Fatigue load limitPu | 405 kN | — |
| Reference speednref | 500 r/min | — |
| Limiting speednG | 670 r/min | — |
| Mass≈m | 118 kg | 114.54 kg |
| Precision class | — | ABMA Class 2 |
| Sealing | Without | Open |
| Cage | Sheet metal | Steel cage |
| Lubricant | None | — |
| Calculation Factors | ||
| K Factor | — | 1.69 |
| Y1 Factor | — | 1.73 |
| Y2 Factor | — | 0.00 |
| Y0 Factor | — | 0.95 |
| E Factor | — | 0.35 |
| Cg Factor | — | 0.2705 |
| Dimensions | ||
| Width, total | 104.775 mm | — |
| Width, inner ring | 104.775 mm | — |
| Width, outer ring | 80.962 mm | — |
| Contact angle | 13.0 ° | — |
| Engineering — Abutment dimensions | ||
| Diameter of shaft abutmentd a | max. 595 mm | — |
| Diameter of shaft abutmentd b | min. 586 mm | — |
| Diameter of housing abutmentD a | max. 710.5 mm | — |
| Diameter of housing abutmentD b | min. 707 mm | — |
| Minimum width of space required in housing on large side faceC a | min. 12 mm | — |
| Minimum width of space required in housing on small side faceC b | min. 23.5 mm | — |
| Radius of shaft filletr a | max. 6.4 mm | — |
| Radius of housing filletr b | max. 6.4 mm | — |
| Engineering — Calculation data | ||
| Limiting valuee | 0.35 | — |
| Calculation factorY | 1.7 | — |
| Calculation factorY 0 | 0.9 | — |
| Engineering — Dimensions | ||
| Bearing width, totalT | 104.775 mm | — |
| Shoulder diameter of inner ringd 1 | ≈ 639.6 mm | — |
| Width of inner ringB | 104.775 mm | — |
| Width of outer ringC | 80.962 mm | — |
| Chamfer dimension of inner ringr 1,2 | min. 6.4 mm | — |
| Chamfer dimension of outer ringr 3,4 | min. 6.4 mm | — |
| Distance side face to pressure pointa | 119.575 mm | — |
| Engineering — Engineering specifications | ||
| Dimension series | LM 377400 | — |
| Logistics | ||
| Product net weight | 118.0 kg | — |
| eClass code | 23-05-09-10 | — |
| Manufacturer Identity | ||
| Material Number | — | 000000000100145830 |
| World Assembly Part Number | — | LM377449H_LM377410 |
| Inner Ring Part Number | — | LM377449H |
| Outer Ring Part Number | — | LM377410 |
| Drawing Number | — | C-54535 |
| Upc | — | 0053893928999 |
| Official Source System | — | CORE BP - DS DF |
| Official Last Run | — | 2026-08-23T20:02:46.327 |
| Product identity | ||
| Official product category | Tapered roller bearings | — |
| Official taxonomy path | /products/rolling-bearings/roller-bearings/tapered-roller-bearings/single-row-tapered-roller-bearings | — |
| Structure group ID | BT1_001_101 | — |
| Available from SKF | Yes | — |
| Remanufacturable | Yes | — |
| Product Identity | ||
| Type Description | — | TS - Tapered Single |
| Construction | — | Single Row Tapered Roller Bearing Assembly | Imperial Series | 22.0000 in Bore | 29.0000 in OD | 4.1250 in Width | Open | Cylindrical Bore | Steel Cage | Precision ABMA Class 2 |
| Number Of Rows | 1 | 1 |
| Tapered Bore | — | N |
| Properties | ||
| Bearing part | Complete bearing | — |
| Locating feature, bearing outer ring | Without | — |
| Bore type | Cylindrical | — |
| Arrangement of contact angle (double-row bearing) | Not applicable | — |
| Matched arrangement | No | — |
| Coating | Without | — |
| Relubrication feature | Without | — |
| Unit system | Inch | — |
| Candidate for remanufacturing | Yes | — |
| Indicative carbon footprint for new product | 435.0 kg CO 2 e | — |
| Indicative carbon footprint for remanufactured product | 145.0 kg CO 2 e | — |
| Technical Data | ||
| Overall Width | — | 121.875 mm |
| Radial Rating | — | 741,000 N |
| Axial Rating | — | 439,000 N |
| Dynamic Rating C1 | — | 2,860,000 N |
| Dynamic Rating C90 | — | 741,000 N |
| Dynamic Axial Rating Ca90 | — | 439,000 N |
| Dynamic Axial Rating Ca1 | — | 1,690,000 N |
| Static Radial Rating C0 | — | 6,090,000 N |
| Extended Dynamic Rating Ce | — | 0 N |
| Static Axial Rating C0A | — | 6,150,000 N |
Independent reference comparison based on the manufacturer data currently loaded. Always verify current limits, tolerances and suffix definitions with the official source before engineering selection.