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The NTN 23044EMW33 is a 230 series spherical roller bearing with a 220 mm straight bore. It features a machined brass cage and an annular lube groove (W33) for effective lubrication. Designed for heavy-duty industrial applications such as gearboxes, pumps, and vibrating screens.
MODEL 23044EMW33
$3,631.30 Each
Prices are subject to change
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Returnable:No
B (in)
3.5433
Bore type
Round
Bore Type
Round
Cage material
Brass
Cage Material
Brass
Cage type
Machined
Cage Type
Machined
d (in)
8.6614
D (in)
13.3858
d0
0.2756 in
D1
12.2047 in
d1
9.6850 in
Da max
12.8740 in
da min
9.1732 in
Dynamic load rating
345000 lbf
Dynamic Load Rating
345000 lbf
e
0.31
Enclosure
Open
I.D.
220 mm
Limiting speed - grease
1300 RPM
Limiting Speed - Grease
1300 RPM
Limiting speed - oil
1600 RPM
Limiting Speed - Oil
1600 RPM
Material
Through Hardened Steel
O.D.
340 mm
Operating temperature range
-40 to 400 ºF
Operating Temperature Range
-40 to 400 °F
r (in)
0.1181
Radial internal clearance
CN
Radial Internal Clearance
CN
ras max
0.1181 in
Ring modification
Plain
Ring Modification
Plain
Series
230
Static load rating
475000 lbf
Static Load Rating
475000 lbf
Tolerance
JIS-0 RBEC-1
Type
Spherical Roller Bearing
W0
0.5906 in
Y0
2.15
Y1
2.20
Y2
3.27
Technical Specifications
Type | Spherical Roller Bearing |
|---|---|
Bore Type | Round |
Material | Through Hardened Steel |
Cage Type | Machined |
Cage Material | Brass |
Limiting Speed - Oil | 1600 RPM |
Limiting Speed - Grease | 1300 RPM |
e | 0.31 |
Y1 | 2.20 |
Y2 | 3.27 |
Y0 | 2.15 |
Series | 230 |
Radial Internal Clearance | CN |
Ring Modification | Plain |
Tolerance | JIS-0 RBEC-1 |
Static Load Rating | 475000 lbf2110000 N2110.00 kN |
Dynamic Load Rating | 345000 lbf1530000 N1530.00 kN |
Enclosure | Open |
| 65.080 lb29.520 kg | |
Operating Temperature Range | -40 to 400 F-40 to 200 C |
Dimensional Specifications
| |
d | 8.6614 in220.000 mm |
|---|---|
D | 13.3858 in340.000 mm |
B | 3.5433 in90.000 mm |
d1 | 9.6850 in246.000 mm |
D1 | 12.2047 in310.000 mm |
r | 0.1181 in3.000 mm |
W0 | 0.5906 in15.000 mm |
d0 | 0.2756 in7.000 mm |
da min | 9.1732 in233.000 mm |
Da max | 12.8740 in327.000 mm |
ras max | 0.1181 in3.000 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.
| Brand | Stearns |
| Model | 51621020003U |
| Brand | NTN Bearing |
| Model | 23038EAW33 |
| Brand | MasterDrive |
| Model | 1VP30-5/8 |
