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NTN 23126EAW33 is a 231 series spherical roller bearing with a 130 mm straight bore. It features an enhanced brass cage and an annular lube groove (W33) for effective lubrication. This open bearing is designed for heavy-duty industrial applications such as gearboxes, conveyors, and vibrating screens.
MODEL 23126EAW33
$1,022.67 Each
Prices are subject to change
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Returnable:No
B (in)
2.5197
Bore type
Round
Bore Type
Round
Cage material
Steel
Cage Material
Steel
Cage type
Pressed
Cage Type
Pressed
D (in)
8.2677
d (in)
5.1181
d0
0.1772 in
D1
7.4409 in
d1
5.8268 in
Da max
7.8346 in
da min
5.5512 in
Dynamic load rating
160000 lbf
Dynamic Load Rating
160000 lbf
e
0.27
Enclosure
Open
I.D.
130 mm
Limiting speed - grease
1900 RPM
Limiting Speed - Grease
1900 RPM
Limiting speed - oil
2400 RPM
Limiting Speed - Oil
2400 RPM
Material
Through Hardened Steel
O.D.
210 mm
Operating temperature range
-40 to 400 ºF
Operating Temperature Range
-40 to 400 °F
r (in)
0.0787
Radial internal clearance
CN
Radial Internal Clearance
CN
ras max
0.0787 in
Ring modification
Relube
Ring Modification
Relube
Series
231
Static load rating
204000 lbf
Static Load Rating
204000 lbf
Tolerance
JIS-0 RBEC-1
Type
Spherical Roller Bearing
W0
0.3937 in
Y0
2.45
Y1
2.51
Y2
3.74
Technical Specifications
| Type | Spherical Roller Bearing |
|---|---|
| Bore Type | Round |
| Material | Through Hardened Steel |
| Cage Type | Pressed |
| Cage Material | Steel |
| Limiting Speed - Oil | 2400 RPM |
| Limiting Speed - Grease | 1900 RPM |
| e | 0.27 |
| Y1 | 2.51 |
| Y2 | 3.74 |
| Y0 | 2.45 |
| Series | 231 |
| Radial Internal Clearance | CN |
| Ring Modification | Relube |
| Tolerance | JIS-0 RBEC-1 |
| Static Load Rating | 204000 lbf906000 N906.00 kN |
| Dynamic Load Rating | 160000 lbf710000 N710.00 kN |
| Enclosure | Open |
| Operating Temperature Range | -40 to 400 F-40 to 200 C |
Dimensional Specifications
| |
| d | 5.1181 in130.000 mm |
|---|---|
| D | 8.2677 in210.000 mm |
| B | 2.5197 in64.000 mm |
| d1 | 5.8268 in148.000 mm |
| D1 | 7.4409 in189.000 mm |
| r | 0.0787 in2.000 mm |
| W0 | 0.3937 in10.000 mm |
| d0 | 0.1772 in4.500 mm |
| da min | 5.5512 in141.000 mm |
| Da max | 7.8346 in199.000 mm |
| ras 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.
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