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NTN 23130EAKW33C3 is a 231 series spherical roller bearing with a 150 mm straight bore. It features an enhanced design brass cage, an annular lube groove with three lube holes (W33), and C3 clearance. This open bearing is suitable for heavy-duty industrial applications such as gearboxes, vibrating screens, and paper mills.
MODEL 23130EAKW33C3
$1,821.37 Each
Prices are subject to change
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Returnable:No
B (in)
3.1496
Bore type
Tapered
Bore Type
Tapered
Cage material
Steel
Cage Material
Steel
Cage type
Pressed
Cage Type
Pressed
d (in)
5.9055
D (in)
9.8425
d0
0.2362 in
Da max
9.3701 in
da min
6.3780 in
Dynamic load rating
238000 lbf
Dynamic Load Rating
238000 lbf
e
0.29
Enclosure
Open
I.D.
150 mm
Limiting speed - grease
1600 RPM
Limiting Speed - Grease
1600 RPM
Limiting speed - oil
2000 RPM
Limiting Speed - Oil
2000 RPM
Material
Through Hardened Steel
O.D.
250 mm
Operating temperature range
-40 to 400 ºF
Operating Temperature Range
-40 to 400 °F
r (in)
0.0827
Radial internal clearance
C3
Radial Internal Clearance
C3
ras max
0.0827 in
Ring modification
Relube
Ring Modification
Relube
Series
231
Static load rating
305000 lbf
Static Load Rating
305000 lbf
Taper
1:12
Type
Spherical Roller Bearing
W0
0.5118 in
Y0
2.30
Y1
2.35
Y2
3.50
Technical Specifications
Type | Spherical Roller Bearing |
Bore Type | Tapered |
Material | Through Hardened Steel |
Cage Type | Pressed |
Cage Material | Steel |
Limiting Speed - Oil | 2000 RPM |
Limiting Speed - Grease | 1600 RPM |
e | 0.29 |
Y1 | 2.35 |
Y2 | 3.50 |
Y0 | 2.30 |
Series | 231 |
Radial Internal Clearance | C3 |
Ring Modification | Relube |
Static Load Rating | 305000 lbf1350000 N1350.00 kN |
Dynamic Load Rating | 238000 lbf1060000 N1060.00 kN |
Enclosure | Open |
Weight | 33.510 lb15.200 kg |
Operating Temperature Range | -40 to 400 F-40 to 200 C |
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.
