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Nachi Bearing NN3010M2KC1NAP4 Precision Cylindrical Roller Bearing Double Row with Tapered Bore 50mm Inner Diameter x 80mm Outer Diameter x 23mm Width Precision Double Row Cylindrical Roller Bearing
MODEL NN3010M2KC1NAP4
Contact supplier for technical support on: 800-829-5787
$331.63 Each
Prices are subject to change
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Returnable: See conditions
Bearing Material
Steel Alloy
Cage Material
JIS HBsC Brass
Closure Type
Open
Contact Angle (Deg)
N/A
Dynamic Load Capacity (N)
53000
Grease Fill
No Fill
Inner Diameter (mm)
50
Inner Ring Material
JIS SUJ2 Steel
Internal Clearance
C1NA
ISO Precision Class
P4
Limiting Speed - Grease (RPM)
11700
Limiting Speed - Oil (RPM)
13800
Max Operating Temp.
120°C (248°F)
Number of Rows
2
Outer Diameter (mm)
80
Outer Ring Material
JIS SUJ2 Steel
Preload
N/A
Rolling Element Material
JIS SUJ2 Steel
Seals or Shields
No
Series
NN Series
Snap Ring
N/A
Static Load Capacity (N)
72500
Universally (Flush) Ground
N/A
Width (mm)
13800
Precision double-row 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 the inner ring. These bearings are not be able to accept any axial loading, however they will allow some axial movement. The inner and outer rings are separable which may aid in the assembly/disassembly of components The NN Type bearings have three shoulders on the inner ring that retains the rollers and cage. The outer ring has no shoulders. They have a tapered bore and machined brass cage. Radial clearance of tapered-bore bearings can be adjusted during the mounting process. These bearings have high radial rigidity and are used primarily for high-speed, high-accuracy applications such as; main spindle support for lathes, milling machines and machining centers. Separable components simplify mounting and removal. Long life. High radial and impact load capacity. Low noise. Not suitable for thrust loads. Machined brass cage reduces vibration. Effective when the bearing rings require interference. Low friction between rollers and flanges. Inner ring with ribs on both sides. Outer ring without rib.
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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