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NTN 23230EMW33 is a 232 series spherical roller bearing with a 150 mm straight bore. It features a machined brass cage and an annular lube groove with three lube holes (W33). This bearing accommodates heavy radial and moderate axial loads in industrial gearboxes, conveyors, and vibrating screens.
MODEL 23230EMW33
$2,499.50 Each
Prices are subject to change
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Returnable:No
B (in)
3.7795
Bore type
Round
Bore Type
Round
Cage material
Brass
Cage Material
Brass
Cage type
Machined
Cage Type
Machined
D (in)
10.6299
d (in)
5.9055
d0
0.2362 in
D1
9.3307 in
d1
6.8504 in
Da max
10.0787 in
da min
6.4567 in
Dynamic load rating
300000 lbf
Dynamic Load Rating
300000 lbf
e
0.33
Enclosure
Open
I.D.
150 mm
Limiting speed - grease
1500 RPM
Limiting Speed - Grease
1500 RPM
Limiting speed - oil
1900 RPM
Limiting Speed - Oil
1900 RPM
Material
Through Hardened Steel
O.D.
270 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
232
Static load rating
365000 lbf
Static Load Rating
365000 lbf
Tolerance
JIS-0 RBEC-1
Type
Spherical Roller Bearing
W0
0.5512 in
Y0
1.98
Y1
2.03
Y2
3.02
Technical Specifications
Type | Spherical Roller Bearing |
Bore Type | Round |
Material | Through Hardened Steel |
Cage Type | Machined |
Cage Material | Brass |
Limiting Speed - Oil | 1900 RPM |
Limiting Speed - Grease | 1500 RPM |
e | 0.33 |
Y1 | 2.03 |
Y2 | 3.02 |
Y0 | 1.98 |
Series | 232 |
Radial Internal Clearance | CN |
Ring Modification | Plain |
Tolerance | JIS-0 RBEC-1 |
Static Load Rating | 365000 lbf1620000 N1620.00 kN |
Dynamic Load Rating | 300000 lbf1340000 N1340.00 kN |
Enclosure | Open |
Weight | 51.588 lb23.400 kg |
Operating Temperature Range | -40 to 400 F-40 to 200 C |
Dimensional Specifications
| |
d | 5.9055 in150.000 mm |
D | 10.6299 in270.000 mm |
B | 3.7795 in96.000 mm |
d1 | 6.8504 in174.000 mm |
D1 | 9.3307 in237.000 mm |
r | 0.1181 in3.000 mm |
W0 | 0.5512 in14.000 mm |
d0 | 0.2362 in6.000 mm |
da min | 6.4567 in164.000 mm |
Da max | 10.0787 in256.000 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.
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