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NTN 23030EMW33C3 is a 230 series spherical roller bearing with a 150 mm straight bore. It features a machined brass cage, an annular lube groove with three lube holes (W33), and C3 clearance. The open design is suitable for heavy-duty industrial applications such as gearboxes, conveyors, and vibrating screens.
MODEL 23030EMW33C3
$1,067.29 Each
Prices are subject to change
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Returnable:No
B (in)
2.2047
Bore Type
Round
Bore type
Round
Cage Material
Brass
Cage material
Brass
Cage Type
Machined
Cage type
Machined
d (in)
5.9055
D (in)
8.8583
d0
0.1772 in
d1
6.5748 in
D1
8.1496 in
Da max
8.4252 in
da min
6.3386 in
Dynamic Load Rating
148000 lbf
Dynamic load rating
148000 lbf
e
0.21
Enclosure
Open
I.D.
150 mm
Limiting Speed - Grease
2000 RPM
Limiting speed - grease
2000 RPM
Limiting Speed - Oil
2500 RPM
Limiting speed - oil
2500 RPM
Material
Through hardened steel
O.D.
225 mm
Operating Temperature Range
-40 to 400 °F
Operating temperature range
-40 to 400 ºF
r (in)
0.0827
Radial Internal Clearance
C3
Radial internal clearance
C3
ras max
0.0827 in
Ring Modification
Plain
Ring modification
Plain
Series
230
Static Load Rating
201000 lbf
Static load rating
201000 lbf
Tolerance
JIS-0 RBEC-1
Type
Spherical Roller Bearing
W0
0.3937 in
Y0
3.13
Y1
3.20
Y2
4.77
Technical Specifications
Type | Spherical Roller Bearing |
Bore Type | Round |
Material | Through Hardened Steel |
Cage Type | Machined |
Cage Material | Brass |
Limiting Speed - Oil | 2500 RPM |
Limiting Speed - Grease | 2000 RPM |
e | 0.21 |
Y1 | 3.20 |
Y2 | 4.77 |
Y0 | 3.13 |
Series | 230 |
Radial Internal Clearance | C3 |
Ring Modification | Plain |
Tolerance | JIS-0 RBEC-1 |
Static Load Rating | 201000 lbf893000 N893.00 kN |
Dynamic Load Rating | 148000 lbf660000 N660.00 kN |
Enclosure | Open |
Weight | 16.865 lb7.650 kg |
Operating Temperature Range | -40 to 400 F-40 to 200 C |
Dimensional Specifications
| |
d | 5.9055 in150.000 mm |
D | 8.8583 in225.000 mm |
B | 2.2047 in56.000 mm |
d1 | 6.5748 in167.000 mm |
D1 | 8.1496 in207.000 mm |
r | 0.0827 in2.100 mm |
W0 | 0.3937 in10.000 mm |
d0 | 0.1772 in4.500 mm |
da min | 6.3386 in161.000 mm |
Da max | 8.4252 in214.000 mm |
ras max | 0.0827 in2.100 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 | NTN Bearing |
| Model | SUCPA210-32C0 |