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NTN NU226C3 is a single-row cylindrical roller bearing with a 130 mm straight bore. The NU type design has no flanges on the outer ring, making it separable and able to accommodate axial expansion. It features an open enclosure, a pressed steel cage, and C3 clearance. The bearing is constructed from hardened alloy steel for durability in industrial applications such as gearboxes, electric motors, and pumps.
MODEL NU226C3
$841.07 Each
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Returnable:No
B (in)
1.5748
Bore Type
Round
Bore type
Round
Cage Material
Pressed Steel
Cage material
Pressed steel
Cage Type
Pressed Steel
Cage type
Pressed steel
Configuration
One
d (in)
5.1181
D (in)
9.0551
Da max
8.5433 in
da min
5.6299 in
Db max
8.5433 in
db min
5.6299 in
Dynamic Load Rating
60500 lbf
Dynamic load rating
60500 lbf
Enclosure
Open
Fw
6.1417 in
I.D.
130 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.
230 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)
0.0984
r1as max
0.0984 in
Radial Internal Clearance
C3
Radial internal clearance
C3
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 Type |
Pressed Steel |
Cage Material |
Pressed Steel |
Limiting Speed - Oil |
3400 RPM |
Limiting Speed - Grease |
2900 RPM |
Precision |
ISO Class 0 |
Configuration |
One |
Tolerance |
ISO Class 0 (RBEC 1) |
Oil Hole |
w/o Oil Hole |
Radial Internal Clearance |
C3 |
Static Load Rating |
76500 lbf340000 N340.00 kN |
Dynamic Load Rating |
60500 lbf270000 N270.00 kN |
Enclosure |
Open |
Weight |
14.330 lb6.500 kg |
Operating Temperature Range |
-40 to 250 F-40 to 120 C |
Dimensional Specifications
|
|
|
d |
5.1181 in130.000 mm |
D |
9.0551 in230.000 mm |
B |
1.5748 in40.000 mm |
Fw |
6.1417 in156.000 mm |
r |
0.0984 in2.500 mm |
da min |
5.6299 in143.000 mm |
db min |
5.6299 in143.000 mm |
Da max |
8.5433 in217.000 mm |
Db max |
8.5433 in217.000 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.
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