KOYO Wholesale Factory ST4090-N Inch Tapered Roller Bearing

Single row tapered roller bearings:	Double row tapered roller bearings:	Four row tapered roller bearings:
Inner diameter size range: 20mm ~ 1270mm	Inner diameter size range: 38mm ~ 1560mm	Inner diameter range: 130mm ~ 1600mm
Outer diameter size range: 40mm ~ 1465mm	Outer diameter size range: 70mm ~ 1800mm	Outer diameter size range: 200mm ~ 2000mm
Width: 15mm to 240mm	Width size range: 50mm ~ 460mm	Width range: 150mm ~ 1150mm

Common uses of tapered roller bearings

A tapered roller bearing is appropriate wherever a bearing must handle combination loads. One of the most common uses is maintaining axial balance, achieved with multiple tapered roller bearings along an axle or shaft. The tapered bearings will evenly distribute loads when adequately aligned, minimizing wear and tear on the components. With higher surface area, tapered roller bearings can distribute friction and heat from combination loads more efficiently than non-tapered rollers (which are more efficient than tapered bearings only with the most straightforward non-combination forces). This reduced friction increases the rotational speed of interfacing parts and makes tapered roller bearings ideal for use in:
Engines
Motors
Gearboxes (especially those with helical gears)
Wheels & axles
Turbines & propellers
This equipment must combine many different angles and utilize them to drive motors, driveshafts, and other rotational components.