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NTN 24030EMW33 is a 240 series spherical roller bearing with a 150 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 paper mills.
MODEL 24030EMW33
$1,700.12 Each
Prices are subject to change
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Returnable:No
B (in)
2.9528
Bore type
Round
Bore Type
Round
Cage material
Brass
Cage Material
Brass
Cage type
Machined
Cage Type
Machined
D (in)
8.8583
d (in)
5.9055
d0
0.1772 in
D1
7.9528 in
d1
6.4961 in
Da max
8.4252 in
da min
6.3386 in
Dynamic load rating
177000 lbf
Dynamic Load Rating
177000 lbf
e
0.29
Enclosure
Open
I.D.
150 mm
Limiting speed - grease
1700 RPM
Limiting Speed - Grease
1700 RPM
Limiting speed - oil
2100 RPM
Limiting Speed - Oil
2100 RPM
Material
Through Hardened Steel
O.D.
225 mm
Operating temperature range
-40 to 400 ºF
Operating Temperature Range
-40 to 400 °F
r (in)
0.0827
Radial internal clearance
CN
Radial Internal Clearance
CN
ras max
0.0827 in
Ring modification
Plain
Ring Modification
Plain
Series
240
Static load rating
256000 lbf
Static Load Rating
256000 lbf
Tolerance
JIS-0 RBEC-1
Type
Spherical Roller Bearing
W0
0.3937 in
Y0
2.26
Y1
2.32
Y2
3.45
Technical Specifications
Type | Spherical Roller Bearing |
|---|---|
Bore Type | Round |
Material | Through Hardened Steel |
Cage Type | Machined |
Cage Material | Brass |
Limiting Speed - Oil | 2100 RPM |
Limiting Speed - Grease | 1700 RPM |
e | 0.29 |
Y1 | 2.32 |
Y2 | 3.45 |
Y0 | 2.26 |
Series | 240 |
Radial Internal Clearance | CN |
Ring Modification | Plain |
Tolerance | JIS-0 RBEC-1 |
Static Load Rating | 256000 lbf1140000 N1140.00 kN |
Dynamic Load Rating | 177000 lbf789000 N789.00 kN |
Enclosure | Open |
| 22.928 lb10.400 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 | 2.9528 in75.000 mm |
d1 | 6.4961 in165.000 mm |
D1 | 7.9528 in202.000 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.
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