HM266449/HM266410 Bore 384.175 Mm, HM266400 Series, Tapered Roller Bearings Single Row - TS Type Imperial
The HM266449/HM266410 Imperial single-row tapered roller bearings are suitable for applications requiring combined loads and easy installation and maintenance. Classic applications include automotive wheel hubs and axles, industrial gearboxes, agricultural machinery, conveyor rollers, mining equipment, and machine tool spindles.
The HM266449/HM266410 bearing is a Tapered Roller Bearings Single Row - TS type Imperial with an inner diameter of 384.175 mm , an outer diameter of 546.1 mm, a width of 104.775 mm. GCr15 / SAE 52100 / 20CrNiMoA rings, GCr15 / SAE 52100 rolling mlement. Its dynamic axial rated load is approximately 81724 N, together determine its load-bearing capacity, rotational accuracy, and applicable working conditions.
HM266449/HM266410 bearings ( 384.175 mm x 546.1 mm x 104.775 mm) have the advantages of Simultaneously withstands combined loads (radial and axial loads) and is detachable for installation, and are therefore widely used in the Automotive wheel hubs, axles, transmissions, industrial gearboxes, and machine tool spindles.
| Part Number | HM266449/HM266410 |
| Type | TS = Single-row (pressed steel and pin-type) |
| Manufacturer Part Code | HM266449-HM266410 |
| Reference From | TIMKEN HM266449/HM266410 |
| Inner ring (cone) | HM266449 |
| Outer ring (cup) | HM266410 |
| Series | HM266400 |
| Series Preffx | HM = Heavy medium |
| Bearing Type | Tapered Roller Bearings Single Row - TS type Imperial |
| Units | Inch |
| Rows NO. | Single row |
| Cage Material | Pin-Type |
| Temperature - T(min) [°C] | -30 |
| Temperature - T(max) [°C] | 110 |
| C1 Dynamic Radial [lbf] | 552999 |
| Ca90 Dynamic Axial [lbf] | 81724 |
| C90 Dynamic Radial [lbf] | 142996 |
| C0 Static Radial [lbf] | 1059993 |
| Dimensions | |
| d φ Inside [inch] | 15.125 |
| D Φ Outside [inch] | 21.5 |
| T thickness [inch] | 4.125 |
| B Cone Width [inch] | 4.125 |
| C Cup Width [inch] | 3.25 |
| a Effective center [inch] | -0.28 |
| r Fillet Radius (Housing) [inch] | 0.25 |
| R Fillet Radius (Shaft) [inch] | 0.25 |
| Ab [inch] | 0.26 |
| Aa [inch] | 0.27 |
| da Dia.(Shaft) [inch] | 16.02 |
| db Dia.(Shaft) [inch] | 16.42 |
| Da Dia.(Housing) [inch] | 20.55 |
| Db Dia.(Housing) [inch] | 19.96 |
| Coefficient | |
| e | 0.33 |
| Y | 1.8 |
| K | 1.76 |
| G1 Geometry (Roller-Raceway) | 4760.1 |
| G2 Geometry (Rib-Roller End) | 301.5 |
| Cg Geometry | 0.218 |
The HM266449/HM266410 Imperial single-row tapered roller bearings mainly consist of an outer ring, inner ring, tapered rollers, and a cage. The outer and inner ring assemblies are separable for easy installation and adjustment. The rollers make line contact with the raceways. The cage is typically made of stamped steel or brass.
Imperial single-row tapered roller bearings can simultaneously withstand radial and unidirectional axial loads, exhibiting high load-bearing capacity and rigidity. Their separable structure facilitates clearance adjustment and preload control, resulting in a high limiting speed. They conform to imperial standard dimensions and offer excellent interchangeability.
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