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Nachi Bearing NJ318M BORE: 90 MILLIMETER OUTER DIAMETER: 190 WIDTH: 43 90mm Inner Diameter x 190mm Outer Diameter x 43mm Width Cylindrical Roller Bearing - Single Row with Brass Cage
MODEL NJ318M
Contact supplier for technical support on: 800-829-5787
$448.39 Each
Prices are subject to change
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Returnable: See conditions
Bearing Material
Steel
Bore Type
Cylindrical
Cage Material
Machined High Strength Brass Cage
Contact Angle (Deg)
N/A
Dynamic Load Capacity (N)
240000
Grease Fill
N/A
Inner Diameter (mm)
90
Inner Ring Material
JIS SUJ2 Steel
Internal Clearance
CN/C0
ISO Precision Class
P0
Limiting Speed - Grease (RPM)
3200
Limiting Speed - Oil (RPM)
3800
Max Operating Temp.
120°C (248°F)
Number of Rows
1
Outer Diameter (mm)
190
Outer Ring Material
JIS SUJ2 Steel
Preload
N/A
Rolling Element Material
JIS SUJ2 Steel
Seals or Shields
No
Series
NJ300
Snap Ring
No
Static Load Capacity (N)
265000
Universally (Flush) Ground
N/A
Width (mm)
3800
Cylindrical Roller Bearing NJ CONFIGURATION Cylindrical Roller Bearings utilize a modified cylindrical roller that provides line contact with the inner and outer ring raceways. They are suitable for high speeds and have a high radial load capacity. The rollers are guided by ribs on either the inner or outer rings. Depending upon the configuration, the bearings may or may not be able to accept any axial loading. The inner and outer rings are separable which may aid in assembly/disassembly of components. The NJ Type bearings has shoulders on both sides of the outer ring and one shoulder on the inner ring. This allows the bearing to accept light axial loads in one direction. Some sizes may be available in a high capacity design (EG) that has larger diameter rollers and a polyamine cage. Stamped steel or machined brass (MY) cages are generally used. These bearings are most commonly used in gearboxes, rolling mills, crushers and pulverizers. Large radial load capacity. Suitable for high speed applications. Low friction between rollers and flanges. Small radial load capacity in only one direction with on integral flange or by mountings a loose flange.
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.
| Brand | TB Woods |
| Model | 73301000-0825 |