Cross-brand designation analysis
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One base designation across loaded brands
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Data incomplete
“LM770949” across 2 loaded brands
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Technical comparison
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| Parameter | SKFLM 770949/910457.2 × 603.25 × mm | TIMKENLM770949 / LM770910457.2 × 603.25 × 85.725 mm |
|---|---|---|
| Comparable specifications | ||
| Brand | SKF | TIMKEN |
| Designation | LM 770949/910 | LM770949 / LM770910 |
| Product family | Tapered roller bearings | TS - Tapered Single |
| Detailed type | Single row tapered roller bearing | Tapered roller bearings |
| Series | — | LM770900 |
| Bore diameterd | 457.2 mm | 457.2 mm |
| Outside diameterD | 603.25 mm | 603.25 mm |
| WidthB | — | 85.725 mm |
| Basic dynamic load ratingC | 1541 kN | 1490 kN |
| Basic static load ratingC0 | 3400 kN | 3440 kN |
| Fatigue load limitPu | 255 kN | — |
| Reference speednref | 630 r/min | — |
| Limiting speednG | 850 r/min | — |
| Mass≈m | 61.8 kg | 59.95 kg |
| Precision class | — | ABMA Class 2 |
| Sealing | Without | Open |
| Cage | Sheet metal | Steel cage |
| Lubricant | None | — |
| Calculation Factors | ||
| K Factor | — | 1.29 |
| Y1 Factor | — | 1.32 |
| Y2 Factor | — | 0.00 |
| Y0 Factor | — | 0.73 |
| E Factor | — | 0.45 |
| Cg Factor | — | 0.2366 |
| Dimensions | ||
| Width, total | 85.725 mm | — |
| Width, inner ring | 84.138 mm | — |
| Width, outer ring | 60.325 mm | — |
| Contact angle | 16.8 ° | — |
| Engineering — Abutment dimensions | ||
| Diameter of shaft abutmentd a | max. 486 mm | — |
| Diameter of shaft abutmentd b | min. 489 mm | — |
| Diameter of housing abutmentD a | max. 586 mm | — |
| Diameter of housing abutmentD b | min. 580 mm | — |
| Minimum width of space required in housing on large side faceC a | min. 13 mm | — |
| Minimum width of space required in housing on small side faceC b | min. 25 mm | — |
| Radius of shaft filletr a | max. 6 mm | — |
| Radius of housing filletr b | max. 3.1 mm | — |
| Engineering — Calculation data | ||
| Limiting valuee | 0.46 | — |
| Calculation factorY | 1.3 | — |
| Calculation factorY 0 | 0.7 | — |
| Engineering — Dimensions | ||
| Bearing width, totalT | 85.725 mm | — |
| Shoulder diameter of inner ringd 1 | ≈ 525.9 mm | — |
| Width of inner ringB | 84.138 mm | — |
| Width of outer ringC | 60.325 mm | — |
| Chamfer dimension of inner ringr 1,2 | min. 6.4 mm | — |
| Chamfer dimension of outer ringr 3,4 | min. 3.3 mm | — |
| Distance side face to pressure pointa | 115 mm | — |
| Engineering — Engineering specifications | ||
| Dimension series | LM 770900 | — |
| Logistics | ||
| Product net weight | 61.8 kg | — |
| eClass code | 23-05-09-10 | — |
| Manufacturer Identity | ||
| Material Number | — | 000000000100114342 |
| World Assembly Part Number | — | LM770949_LM770910 |
| Inner Ring Part Number | — | LM770949 |
| Outer Ring Part Number | — | LM770910 |
| Drawing Number | — | E-29380 |
| Upc | — | 0053893686547 |
| Official Source System | — | CORE BP - DS DF |
| Official Last Run | — | 2026-08-23T20:02:46.737 |
| 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 | 18.0000 in Bore | 23.7500 in OD | 3.3750 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 | 229.0 kg CO 2 e | — |
| Indicative carbon footprint for remanufactured product | 76.0 kg CO 2 e | — |
| Technical Data | ||
| Overall Width | — | 101.438 mm |
| Radial Rating | — | 386,000 N |
| Axial Rating | — | 300,000 N |
| Dynamic Rating C1 | — | 1,490,000 N |
| Dynamic Rating C90 | — | 386,000 N |
| Dynamic Axial Rating Ca90 | — | 300,000 N |
| Dynamic Axial Rating Ca1 | — | 1,160,000 N |
| Static Radial Rating C0 | — | 3,440,000 N |
| Extended Dynamic Rating Ce | — | 0 N |
| Static Axial Rating C0A | — | 4,540,000 N |
Automatic matching is a search aid, not an interchangeability declaration. Confirm the full suffix, tolerances, internal design and application limits before substitution.