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NTN NU2220 is a single-row cylindrical roller bearing with a 100 mm straight bore. The NU design features no flanges on the outer ring, making it separable and capable of accommodating axial expansion. This bearing is suitable for applications requiring free axial movement of the shaft relative to the housing, such as gearboxes and electric motors.
MODEL NU2220
$603.62 Each
Prices are subject to change
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Returnable:No
B (in)
1.8110
Bore Type
Round
Bore type
Round
Cage Material
Pressed Steel
Cage material
Pressed steel
Configuration
One
D (in)
7.0866
d (in)
3.9370
Da max
6.6535 in
da min
4.3701 in
db min
4.3701 in
Dynamic Load Rating
58000 lbf
Dynamic load rating
58000 lbf
Enclosure
Open
Fw
4.7244 in
I.D.
100 mm
Limiting Speed - Grease
3500 RPM
Limiting speed - grease
3500 RPM
Limiting Speed - Oil
4100 RPM
Limiting speed - oil
4100 RPM
Material
Hardened alloy steel
O.D.
180 mm
Oil Hole
w/o Oil Hole
Oil hole
w/o Oil Hole
Operating Temperature Range
-40 to 250 °F
Operating temperature range
-40 to 250 ºF
Precision
ISO class 0
r (in)
0.0787
r1as max
0.0787 in
Radial Internal Clearance
CN
Radial internal clearance
CN
Static Load Rating
76500 lbf
Static load rating
76500 lbf
Tolerance
ISO class 0 (RBEC 1)
Type
Cylindrical Roller Bearing
Technical Specifications
Type |
Cylindrical Roller Bearing |
Bore Type |
Round |
Material |
Hardened Alloy Steel |
Cage Material |
Pressed Steel |
Limiting Speed - Oil |
4100 RPM |
Limiting Speed - Grease |
3500 RPM |
Precision |
ISO Class 0 |
Configuration |
One |
Tolerance |
ISO Class 0 (RBEC 1) |
Oil Hole |
w/o Oil Hole |
Radial Internal Clearance |
CN |
Static Load Rating |
76500 lbf340000 N340.00 kN |
Dynamic Load Rating |
58000 lbf258000 N258.00 kN |
Enclosure |
Open |
Weight |
10.207 lb4.630 kg |
Operating Temperature Range |
-40 to 250 F-40 to 120 C |
Dimensional Specifications
|
|
|
d |
3.9370 in100.000 mm |
D |
7.0866 in180.000 mm |
B |
1.8110 in46.000 mm |
Fw |
4.7244 in120.000 mm |
r |
0.0787 in2.000 mm |
da min |
4.3701 in111.000 mm |
db min |
4.3701 in111.000 mm |
Da max |
6.6535 in169.000 mm |
r1as max |
0.0787 in2.000 mm |
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.