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Koyo NJ307R C3TY is a single-row cylindrical roller bearing with a 35 mm straight bore. The NJ design features a single flange on the outer ring, allowing axial location in one direction. This bearing has C3 internal clearance and is open (unsealed). It is suitable for applications requiring axial expansion accommodation, such as gearboxes and electric motors.
MODEL NJ307R C3TY
$118.91 Each
Prices are subject to change
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Bore Diameter
35 mm
Cage Material
Machined Brass
Dynamic Load Capacity
83.3 kN
Maximum RPM
7700 rpm Grease/10000 rpm Oil
Number of Rows
1
O.D.
80 mm
Series
NJ Series
Static Load Capacity
65.4 kN
Type
Caged Light
Width
21 mm
Cylindrical roller bearings have line contact between the rollers and raceway, therefore radial load capability is high, making this bearing superior in regards to its ability to withstand heavy loads and impact loads. Moreover, mounting and removing is easy due to the inner ring and outer ring being separable.
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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