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NTN 24180BW33C3 is a 241 series spherical roller bearing with a 400 mm straight bore. It features an open enclosure, carbon steel cage, C3 clearance, and W33 annular lube groove with three lube holes. Constructed from through hardened steel, it is designed for heavy-duty industrial applications such as mining, aggregate processing, and paper mills.
MODEL 24180BW33C3
$49,767.84 Each
Prices are subject to change
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Returnable: See conditions
B (in)
9.8425
Bore type
Round
Bore Type
Round
Cage material
Steel
Cage Material
Steel
Cage type
Machined
Cage Type
Machined
d (in)
15.7480
D (in)
25.5906
d0
0.7874 in
Da max
24.4882 in
da min
16.8504 in
Dynamic load rating
1150000 lbf
Dynamic Load Rating
1150000 lbf
e
0.38
Enclosure
Open
I.D.
400 mm
Limiting speed - grease
430 RPM
Limiting Speed - Grease
430 RPM
Limiting speed - oil
560 RPM
Limiting Speed - Oil
560 RPM
Material
Through Hardened Steel
O.D.
650 mm
Operating temperature range
-40 to 250 ºF
Operating Temperature Range
-40 to 250 °F
r (in)
0.2362
Radial internal clearance
C3
Radial Internal Clearance
C3
ras max
0.1969 in
Ring modification
Plain
Ring Modification
Plain
Series
241
Static load rating
2320000 lbf
Static Load Rating
2320000 lbf
Tolerance
JIS-0 RBEC-1
Type
Spherical Roller Bearing
W0
1.2992 in
Y0
1.73
Y1
1.77
Y2
2.63
Technical Specifications
| Type | Spherical Roller Bearing |
|---|---|
| Bore Type | Round |
| Material | Through Hardened Steel |
| Cage Type | Machined |
| Cage Material | Carbon Steel |
| Limiting Speed - Oil | 560 RPM |
| Limiting Speed - Grease | 430 RPM |
| e | 0.38 |
| Y1 | 1.77 |
| Y2 | 2.63 |
| Y0 | 1.73 |
| Series | 241 |
| Radial Internal Clearance | C3 |
| Ring Modification | Plain |
| Tolerance | JIS-0 RBEC-1 |
| Static Load Rating | 2320000 lbf10300000 N10300.00 kN |
| Dynamic Load Rating | 1150000 lbf5100000 N5100.00 kN |
| Enclosure | Open |
| Operating Temperature Range | -40 to 250 F-40 to 120 C |
Dimensional Specifications
| |
| d | 15.7480 in400.000 mm |
|---|---|
| D | 25.5906 in650.000 mm |
| B | 9.8425 in250.000 mm |
| r | 0.2362 in6.000 mm |
| W0 | 1.2992 in33.000 mm |
| d0 | 0.7874 in20.000 mm |
| da min | 16.8504 in428.000 mm |
| Da max | 24.4882 in622.000 mm |
| ras max | 0.1969 in5.000 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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