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NTN NU322EG1C4 is a single-row cylindrical roller bearing with a 110 mm straight bore. The NU design features no flanges on the outer ring, making it separable and able to accommodate axial expansion. It has a high-strength machined brass cage and C4 clearance for applications requiring thermal expansion accommodation.
MODEL NU322EG1C4
$1,589.26 Each
Prices are subject to change
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Typically Ships in: 1 day
Returnable:No
B (in)
1.9685
Bore Type
Round
Bore type
Round
Cage Material
High Strength Machined Brass Rivetless w/ square holes
Cage material
High strength machined brass rivetless w/ square holes
Configuration
One
D (in)
9.4488
d (in)
4.3307
Da max
8.937 in
da min
4.8425 in
Dynamic Load Rating
101000 lbf
Dynamic load rating
101000 lbf
Enclosure
Open
Fw
5.6299 in
I.D.
110 mm
Limiting Speed - Grease
2700 RPM
Limiting speed - grease
2700 RPM
Limiting Speed - Oil
3100 RPM
Limiting speed - oil
3100 RPM
Material
Hardened alloy steel
O.D.
240 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
r (in)
0.1181
r1as max
0.0984 in
Radial Internal Clearance
C4
Radial internal clearance
C4
Static Load Rating
118000 lbf
Static load rating
118000 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 | High Strength Machined Brass Rivetless w/ square holes |
Limiting Speed - Oil | 3100 RPM |
Limiting Speed - Grease | 2700 RPM |
Configuration | One |
Tolerance | ISO Class 0 (RBEC 1) |
Oil Hole | w/o Oil Hole |
Radial Internal Clearance | C4 |
Static Load Rating | 118000 lbf525000 N525.00 kN |
Dynamic Load Rating | 101000 lbf450000 N450.00 kN |
Enclosure | Open |
Operating Temperature Range | -40 to 250 F-40 to 120 C |
Dimensional Specifications
| |
d | 4.3307 in110.000 mm |
D | 9.4488 in240.000 mm |
B | 1.9685 in50.000 mm |
Fw | 5.6299 in143.000 mm |
r | 0.1181 in3.000 mm |
da min | 4.8425 in123.000 mm |
Da max | 8.9370 in227.000 mm |
r1as max | 0.0984 in2.500 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.
