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The NSK NJ308EM is an NJ-type cylindrical roller bearing with 40 mm bore and 90 mm OD. It features a machined brass cage (M suffix) for high-speed and heavy-load applications. This bearing carries high radial loads at moderate to high speeds in gearboxes, generators, and rolling-mill drives. Backed by NSK's precision-bearing engineering heritage.
MODEL NJ308EM
$270.98 Each
Prices are subject to change
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Typically Ships in: 1 day
Returnable: Yes
- Metric, One Flange on Inner Ring
- Medium
- 40mm - Bore Size
- Extra Capacity Design
- Machined Brass
- Normal Internal Clearance
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.
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