TIMKEN Brand Bearing 24780/21 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

If this kind of bearing is used improperly, are there any precautions?

(1) Keep tapered roller bearings and their surroundings clean.
Even small dust that can't be seen by the eye will bring bad effects to the bearing. Therefore, keep the surrounding clean, so that the dust will not invade the bearing. (2) Use with care and caution.
Strong impact on tapered roller bearings in use will produce scars and indentations, which will become the cause of accidents. In serious cases, there will be cracks, fracture, so must pay attention to.
(3) Use the appropriate operating tools.
Avoid replacing existing tools with the right ones.
(4) Pay attention to the corrosion of tapered roller bearings.
When operating bearings, sweat on the hands will become the cause of rust. Be careful to use clean hands, preferably wear gloves as much as possible.