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NTN NU224G1C3 is a single-row cylindrical roller bearing with a 120 mm straight bore. The NU design features no flanges on the outer ring, making it separable and capable of accommodating axial expansion. It has a high-strength machined brass cage and C3 clearance. This open bearing is constructed from hardened alloy steel and is suitable for applications requiring high radial load capacity and axial displacement.
MODEL NU224G1C3
$962.57 Each
Prices are subject to change
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Returnable:No
B (in)
1.5748
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)
4.7244
D (in)
8.4646
Da max
8.0315 in
da min
5.1575 in
Db max
8.0315 in
db min
5.1575 in
Dynamic Load Rating
75500 lbf
Dynamic load rating
75500 lbf
Enclosure
Open
Fw
5.6496 in
I.D.
120 mm
Limiting Speed - Grease
2900 RPM
Limiting speed - grease
2900 RPM
Limiting Speed - Oil
3400 RPM
Limiting speed - oil
3400 RPM
Material
Hardened alloy steel
O.D.
215 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)
0.0827
r1as max
0.0787 in
Radial Internal Clearance
C3
Radial internal clearance
C3
Static Load Rating
94500 lbf
Static load rating
94500 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 | 3400 RPM |
Limiting Speed - Grease | 2900 RPM |
Configuration | One |
Tolerance | ISO Class 0 (RBEC 1) |
Oil Hole | w/o Oil Hole |
Radial Internal Clearance | C3 |
Static Load Rating | 94500 lbf420000 N420.00 kN |
Dynamic Load Rating | 75500 lbf335000 N335.00 kN |
Enclosure | Open |
Operating Temperature Range | -40 to 250 F-40 to 120 C |
Dimensional Specifications
| |
d | 4.7244 in120.000 mm |
D | 8.4646 in215.000 mm |
B | 1.5748 in40.000 mm |
Fw | 5.6496 in143.500 mm |
r | 0.0827 in2.100 mm |
da min | 5.1575 in131.000 mm |
db min | 5.1575 in131.000 mm |
Da max | 8.0315 in204.000 mm |
Db max | 8.0315 in204.000 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.