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| Parameter | SKFHM 261049/010333.375 × 469.9 × mm | TIMKENHM261049H-902B6333.375 × 469.9 × 190.5 mm | KOYOHM261049D/010/010D337.375 × 469.9 × 342.9 mm |
|---|---|---|---|
| Comparable specifications | |||
| Brand | SKF | TIMKEN | KOYO |
| Designation | HM 261049/010 | HM261049H-902B6 | HM261049D/010/010D |
| Product family | Tapered roller bearings | TDO - Tapered Double Outer | Four-row tapered roller bearings |
| Detailed type | Single row tapered roller bearing | Tapered roller bearings | Rolling mill roll neck bearings |
| Series | — | HM261000 | — |
| Bore diameterd | 333.375 mm | 333.375 mm | 337.375 mm |
| Outside diameterD | 469.9 mm | 469.9 mm | 469.9 mm |
| WidthB | — | 190.5 mm | 342.9 mm |
| Basic dynamic load ratingC | 1428 kN | 2940 kN | 4970 kN |
| Basic static load ratingC0 | 2850 kN | 6150 kN | 11400 kN |
| Fatigue load limitPu | 232 kN | — | 1100 kN |
| Reference speednref | 850 r/min | — | — |
| Limiting speednG | 1200 r/min | — | — |
| Mass≈m | 47.2 kg | 96.02 kg | 190 kg |
| Precision class | — | ABMA Class 2 | — |
| Sealing | Without | Open | — |
| Cage | Sheet metal | Steel cage | — |
| Lubricant | None | — | — |
| Calculation Factors | |||
| K Factor | — | 1.74 | — |
| Y1 Factor | — | 2.02 | — |
| Y2 Factor | — | 3.00 | — |
| Y0 Factor | — | 1.97 | — |
| E Factor | — | 0.33 | — |
| Cg Factor | — | 0.1880 | — |
| Classification | |||
| Official Category Path | — | — | Rolling mill roll neck bearings - Four-row tapered roller bearings |
| Official Classification 1 | — | — | Rolling mill roll neck bearings / Four-row tapered roller bearings |
| Dimensions | |||
| Width, total | 90.488 mm | — | — |
| Width, inner ring | 90.488 mm | — | — |
| Width, outer ring | 71.438 mm | — | — |
| Contact angle | 12.7 ° | — | — |
| Engineering — Abutment dimensions | |||
| Diameter of shaft abutmentd a | max. 362 mm | — | — |
| Diameter of shaft abutmentd b | min. 365 mm | — | — |
| Diameter of housing abutmentD a | max. 453 mm | — | — |
| Diameter of housing abutmentD b | min. 452 mm | — | — |
| Minimum width of space required in housing on large side faceC a | min. 6 mm | — | — |
| Minimum width of space required in housing on small side faceC b | min. 19 mm | — | — |
| Radius of shaft filletr a | max. 6 mm | — | — |
| Radius of housing filletr b | max. 3.1 mm | — | — |
| Engineering — Calculation data | |||
| Limiting valuee | 0.33 | — | — |
| Calculation factorY | 1.8 | — | — |
| Calculation factorY 0 | 1 | — | — |
| Engineering — Dimensions | |||
| Bearing width, totalT | 90.488 mm | — | — |
| Shoulder diameter of inner ringd 1 | ≈ 399.401 mm | — | — |
| Width of inner ringB | 90.488 mm | — | — |
| Width of outer ringC | 71.438 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 | 85 mm | — | — |
| Engineering — Engineering specifications | |||
| Dimension series | HM 261000 | — | — |
| Logistics | |||
| Product net weight | 47.2 kg | — | — |
| eClass code | 23-05-09-10 | — | — |
| UNSPSC code | 31171516 | — | — |
| Manufacturer Identity | |||
| Material Number | — | 000000000100180293 | — |
| Official Class Key | — | — | 140-020-000 |
| World Assembly Part Number | — | HM261049H_HM261010CD | — |
| Inner Ring Part Number | — | HM261049H | — |
| Outer Ring Part Number | — | HM261010CD | — |
| Drawing Number | — | E-37187 | — |
| Upc | — | 0053893823447 | — |
| Official Source System | — | CORE BP - DS DF | — |
| Official Last Run | — | 2026-08-23T20:02:47.683 | — |
| 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 | — | TDO - Tapered Double Outer | — |
| Construction | — | Double Row Tapered Roller Bearing Assembly | Imperial Series | 13.1250 in Bore | 18.5000 in OD | 7.5000 in Width | Open | Cylindrical Bore | Steel Cage | Precision ABMA Class 2 | — |
| Number Of Rows | 1 | 2 | — |
| 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 | 175.0 kg CO 2 e | — | — |
| Indicative carbon footprint for remanufactured product | 58.1 kg CO 2 e | — | — |
| Technical Data | |||
| d | — | — | 469.900 mm |
| T | — | — | 342.900 mm |
| W | — | — | 342.900 mm |
| R(Min.) | — | — | 3.2 mm |
| R1(Min.) | — | — | 1.6 mm |
| Overall Width | — | 0.000 mm | — |
| Basic Load Ratings : Cr | — | — | 4970 kN |
| Radial Rating | — | 763,000 N | — |
| Basic Load Ratings : C0R | — | — | 11400 kN |
| Axial Rating | — | 251,000 N | — |
| Fatigue Load Limit : Cu | — | — | 1100 kN |
| Dynamic Rating C1 | — | 2,940,000 N | — |
| Axial Load Factors : Y2 | — | — | 2.02 mm |
| Dynamic Rating C90 | — | 763,000 N | — |
| Axial Load Factors : Y3 | — | — | 3.01 |
| Dynamic Axial Rating Ca90 | — | 251,000 N | — |
| Axial Load Factors : Y0 | — | — | 1.97 |
| Dynamic Axial Rating Ca1 | — | 969,000 N | — |
| Constant E | — | — | 0.33 |
| Static Radial Rating C0 | — | 6,150,000 N | — |
| Da(Min.) | — | — | 360 mm |
| Extended Dynamic Rating Ce | — | 0 N | — |
| Da(Max.) | — | — | 432 mm |
| Static Axial Rating C0A | — | 3,000,000 N | — |
| S(Min.) | — | — | 9 mm |
| Ra(Max.) | — | — | 3.2 mm |
| Rb(Max.) | — | — | 1.6 mm |
| Mass(Refer.) | — | — | 190 kg |
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.