HM125943/HM125910 Bore 119.949 Mm, HM125900 Series, Tapered Roller Bearings - TS Type Imperial
The HM125943/HM125910 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 HM125943/HM125910 bearing is a Tapered Roller Bearings Single Row - TS type Imperial with an inner diameter of 119.949 mm , an outer diameter of 204.775 mm, a width of 55.563 mm. GCr15 / SAE 52100 / 20CrNiMoA rings, GCr15 / SAE 52100 rolling mlement. Its dynamic axial rated load is approximately 13509 N, together determine its load-bearing capacity, rotational accuracy, and applicable working conditions.
Interchange code: HM125943 - HM125910
HM125943/HM125910 bearings ( 119.949 mm x 204.775 mm x 55.563 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 | HM125943/HM125910 |
| Type | TS = Single-row (pressed steel and pin-type) |
| Manufacturer Part Code | HM125943-HM125910 |
| Reference From | TIMKEN HM125943/HM125910 |
| Inner ring (cone) | HM125943 |
| Outer ring (cup) | HM125910 |
| Series | HM125900 |
| Series Preffx | HM = Heavy medium |
| Bearing Type | Tapered Roller Bearings Single Row - TS type Imperial |
| Units | Inch |
| Rows NO. | Single row |
| Cage Material | Sheet metal |
| Temperature - T(min) [°C] | -30 |
| Temperature - T(max) [°C] | 110 |
| C1 Dynamic Radial [lbf] | 100032 |
| Ca90 Dynamic Axial [lbf] | 13509 |
| C90 Dynamic Radial [lbf] | 26006 |
| C0 Static Radial [lbf] | 155028 |
| Dimensions | |
| d φ Inside [inch] | 4.7224 |
| D Φ Outside [inch] | 8.062 |
| T thickness [inch] | 2.1875 |
| B Cone Width [inch] | 2.375 |
| C Cup Width [inch] | 1.781 |
| a Effective center [inch] | -0.56 |
| r Fillet Radius (Housing) [inch] | 0.13 |
| R Fillet Radius (Shaft) [inch] | 0.13 |
| Ab [inch] | 0.04 |
| Aa [inch] | 0.07 |
| da Dia.(Shaft) [inch] | 5.28 |
| db Dia.(Shaft) [inch] | 5.39 |
| Da Dia.(Housing) [inch] | 7.71 |
| Db Dia.(Housing) [inch] | 7.28 |
| Coefficient | |
| e | 0.3 |
| Y | 1.97 |
| K | 1.92 |
| G1 Geometry (Roller-Raceway) | 359.7 |
| G2 Geometry (Rib-Roller End) | 46.4 |
| Cg Geometry | 0.115 |
The HM125943/HM125910 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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