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NTN 23060BW33 is a 230 series spherical roller bearing with a 300 mm straight bore. It features an open enclosure, a lead steel cage, and an annular lube groove (W33) for effective lubrication. This bearing is constructed from through hardened steel and is designed for heavy-duty industrial applications such as gearboxes, conveyors, and mining equipment.
MODEL 23060BW33
$36,803.18 Each
Prices are subject to change
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B (in)
4.6457
Bore type
Round
Bore Type
Round
Cage material
Steel
Cage Material
Steel
Cage type
Machined
Cage Type
Machined
D (in)
18.1102
d (in)
11.8110
d0
0.3937 in
Da max
17.4016 in
da min
12.5197 in
Dynamic load rating
425000 lbf
Dynamic Load Rating
425000 lbf
e
0.25
Enclosure
Open
Limiting speed - grease
720 RPM
Limiting Speed - Grease
720 RPM
Limiting speed - oil
940 RPM
Limiting Speed - Oil
940 RPM
Material
Through Hardened Steel
Operating temperature range
-40 to 250 ºF
Operating Temperature Range
-40 to 250 °F
r (in)
0.1575
Radial internal clearance
CN
Radial Internal Clearance
CN
ras max
0.1181 in
Ring modification
Plain
Ring Modification
Plain
Series
230
Static load rating
800000 lbf
Static Load Rating
800000 lbf
Tolerance
JIS-0 RBEC-1
Type
Spherical Roller Bearing
W0
0.6299 in
Y0
2.60
Y1
2.66
Y2
3.96
Technical Specifications
Type | Spherical Roller Bearing |
Bore Type | Round |
Material | Through Hardened Steel |
Cage Type | Machined |
Cage Material | Lead Steel |
Limiting Speed - Oil | 940 RPM |
Limiting Speed - Grease | 720 RPM |
e | 0.25 |
Y1 | 2.66 |
Y2 | 3.96 |
Y0 | 2.60 |
Series | 230 |
Radial Internal Clearance | CN |
Ring Modification | Plain |
Tolerance | JIS-0 RBEC-1 |
Static Load Rating | 800000 lbf3550000 N3550.00 kN |
Dynamic Load Rating | 425000 lbf1890000 N1890.00 kN |
Enclosure | Open |
Weight | 159.614 lb72.400 kg |
Operating Temperature Range | -40 to 250 F-40 to 120 C |
Dimensional Specifications
| |
d | 11.8110 in300.000 mm |
D | 18.1102 in460.000 mm |
B | 4.6457 in118.000 mm |
r | 0.1575 in4.000 mm |
W0 | 0.6299 in16.000 mm |
d0 | 0.3937 in10.000 mm |
da min | 12.5197 in318.000 mm |
Da max | 17.4016 in442.000 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.
| Brand | NTN Bearing |
| Model | C-UCP324D1-C |
