LM125748/LM125711 Bore 127 Mm, LM125700 Series, Tapered Roller Bearings Single Row - TS Type Imperial
The LM125748/LM125711 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 LM125748/LM125711 bearing is a Tapered Roller Bearings Single Row - TS type Imperial with an inner diameter of 127 mm , an outer diameter of 174.625 mm, a width of 36.513 mm. GCr15 / SAE 52100 / 20CrNiMoA rings, GCr15 / SAE 52100 rolling mlement. Its dynamic axial rated load is approximately 6761 N, together determine its load-bearing capacity, rotational accuracy, and applicable working conditions.
LM125748/LM125711 bearings ( 127 mm x 174.625 mm x 36.513 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 | LM125748/LM125711 |
| Type | TS = Single-row (pressed steel and pin-type) |
| Manufacturer Part Code | LM125748-LM125711 |
| Reference From | TIMKEN LM125748/LM125711 |
| Inner ring (cone) | LM125748 |
| Outer ring (cup) | LM125711 |
| Series | LM125700 |
| Series Preffx | LM = Light 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] | 49496 |
| Ca90 Dynamic Axial [lbf] | 6761 |
| C90 Dynamic Radial [lbf] | 12791 |
| C0 Static Radial [lbf] | 92928 |
| Dimensions | |
| d φ Inside [inch] | 5 |
| D Φ Outside [inch] | 6.875 |
| T thickness [inch] | 1.4375 |
| B Cone Width [inch] | 1.4375 |
| C Cup Width [inch] | 1.25 |
| a Effective center [inch] | -0.17 |
| r Fillet Radius (Housing) [inch] | 0.13 |
| R Fillet Radius (Shaft) [inch] | 0.13 |
| Ab [inch] | 0.05 |
| Aa [inch] | 0.06 |
| da Dia.(Shaft) [inch] | 5.31 |
| db Dia.(Shaft) [inch] | 5.51 |
| Da Dia.(Housing) [inch] | 6.65 |
| Db Dia.(Housing) [inch] | 6.34 |
| Coefficient | |
| e | 0.31 |
| Y | 1.95 |
| K | 1.9 |
| G1 Geometry (Roller-Raceway) | 314.8 |
| G2 Geometry (Rib-Roller End) | 110.2 |
| Cg Geometry | 0.159 |
The LM125748/LM125711 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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