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Koyo 30309DJ-1R tapered roller bearing with 45 mm bore, 100 mm OD, and 27.25 mm width. Single row metric series with straight bore. Designed for radial and axial loads in gearboxes, wheel hubs, and industrial transmissions.
MODEL 30309DJ-1R
$61.66 Each
Prices are subject to change
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Returnable:No
Cone Width
25 mm
Cone/Cup
Cup/Cone
Cup Width
22 mm
I.D.
45 mm
O.D.
100 mm
Width
27 1/4 mm
- Best used for high loads or combined radial and axial loads
- Made from premium high carbon high chromium Japanese steel
- Sold as an individual cup cone or as a full assembly (cup and cone together)
How do I choose the right type of bearing for my application?
Start with the load and how it’s applied. You need to know if you’re dealing with radial loads, axial loads, or a mix of both. Then look at speed, operating environment, and space constraints. For example, ball bearings are great for high speed and lighter loads, while roller bearings handle heavier loads but usually at lower speeds. If there’s contamination, moisture, or heat involved, you may need sealed bearings or specific materials. In most cases, the right choice comes down to matching load type, speed, and environment to the bearing design.