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NTN 23240EMW33 is a 232 series spherical roller bearing with a 200 mm straight bore. It features a machined brass cage and an annular lube groove with three lube holes (W33). Designed for heavy-duty industrial applications such as gearboxes, vibrating screens, and paper mills.
MODEL 23240EMW33
$5,002.04 Each
Prices are subject to change
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Returnable:No
B (in)
5.0394
Bore type
Round
Bore Type
Round
Cage material
Brass
Cage Material
Brass
Cage type
Machined
Cage Type
Machined
D (in)
14.1732
d (in)
7.8740
d0
0.3543 in
d1
9.1339 in
D1
12.4016 in
Da max
13.5039 in
da min
8.5433 in
Dynamic load rating
505000 lbf
Dynamic Load Rating
505000 lbf
e
0.34
Enclosure
Open
I.D.
200 mm
Limiting speed - grease
1100 RPM
Limiting Speed - Grease
1100 RPM
Limiting speed - oil
1300 RPM
Limiting Speed - Oil
1300 RPM
Material
Through Hardened Steel
O.D.
360 mm
Operating temperature range
-40 to 400 ºF
Operating Temperature Range
-40 to 400 °F
r (in)
0.1575
Radial internal clearance
CN
Radial Internal Clearance
CN
ras max
0.1575 in
Ring modification
Plain
Ring Modification
Plain
Series
232
Static load rating
640000 lbf
Static Load Rating
640000 lbf
Tolerance
JIS-0 RBEC-1
Type
Spherical Roller Bearing
W0
0.7480 in
Y0
1.93
Y1
1.98
Y2
2.94
Technical Specifications
Type | Spherical Roller Bearing |
Bore Type | Round |
Material | Through Hardened Steel |
Cage Type | Machined |
Cage Material | Brass |
Limiting Speed - Oil | 1300 RPM |
Limiting Speed - Grease | 1100 RPM |
e | 0.34 |
Y1 | 1.98 |
Y2 | 2.94 |
Y0 | 1.93 |
Series | 232 |
Radial Internal Clearance | CN |
Ring Modification | Plain |
Tolerance | JIS-0 RBEC-1 |
Static Load Rating | 640000 lbf2840000 N2840.00 kN |
Dynamic Load Rating | 505000 lbf2250000 N2250.00 kN |
Enclosure | Open |
Weight | 123.018 lb55.800 kg |
Operating Temperature Range | -40 to 400 F-40 to 200 C |
Dimensional Specifications
| |
d | 7.8740 in200.000 mm |
D | 14.1732 in360.000 mm |
B | 5.0394 in128.000 mm |
d1 | 9.1339 in232.000 mm |
D1 | 12.4016 in315.000 mm |
r | 0.1575 in4.000 mm |
W0 | 0.7480 in19.000 mm |
d0 | 0.3543 in9.000 mm |
da min | 8.5433 in217.000 mm |
Da max | 13.5039 in343.000 mm |
ras max | 0.1575 in4.000 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.
