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NTN 23280BKW33C3 is a 232 series spherical roller bearing with a 400 mm straight bore. It features a brass cage, C3 clearance, and W33 annular lube groove with three lubrication holes. The open design is constructed from through hardened steel. Suitable for heavy-duty industrial applications such as gearboxes, mining equipment, and paper mills.
MODEL 23280BKW33C3
$44,826.99 Each
Prices are subject to change
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Returnable: See conditions
B (in)
10.0787
Bore type
Tapered
Bore Type
Tapered
Cage material
Steel
Cage Material
Steel
Cage type
Machined
Cage Type
Machined
D (in)
28.3465
d (in)
15.7480
d0
0.7874 in
Da max
27.2441 in
da min
16.8504 in
Dynamic load rating
1330000 lbf
Dynamic Load Rating
1330000 lbf
e
0.37
Enclosure
Open
I.D.
400 mm
Material
Through Hardened Steel
O.D.
720 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
Relube
Ring Modification
Relube
Series
232
Static load rating
243000 lbf
Static Load Rating
243000 lbf
Taper
1:12
Tolerance
JIS-0 RBEC-1
Type
Spherical Roller Bearing
W0
0.9449 in
Y0
1.77
Y1
1.81
Y2
2.69
Technical Specifications
Type | Spherical Roller Bearing |
Bore Type | Tapered |
Material | Through Hardened Steel |
Cage Type | Machined |
Cage Material | Brass |
e | 0.37 |
Y1 | 1.81 |
Y2 | 2.69 |
Y0 | 1.77 |
Series | 232 |
Radial Internal Clearance | C3 |
Ring Modification | Relube |
Tolerance | JIS-0 RBEC-1 |
Static Load Rating | 243000 lbf1080000 N1080.00 kN |
Dynamic Load Rating | 1330000 lbf5920000 N5920.00 kN |
Enclosure | Open |
Weight | 976.647 lb443.000 kg |
Operating Temperature Range | -40 to 250 F-40 to 120 C |
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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