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NTN 23168BL1KW33C3 is a 231 series spherical roller bearing with a 340 mm straight bore. It features a brass cage, C3 clearance, and an annular lube groove with three lube holes (W33). The open design is suitable for heavy-duty industrial applications such as gearboxes, mining equipment, and paper mills.
MODEL 23168BL1KW33C3
$26,783.04 Each
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B (in)
7.4803
Bore type
Tapered
Bore Type
Tapered
Cage material
Brass
Cage Material
Brass
Cage type
Machined
Cage Type
Machined
D (in)
22.8346
d (in)
13.3858
d0
0.6299 in
Da max
21.9685 in
da min
14.2520 in
Dynamic load rating
810000 lbf
Dynamic Load Rating
810000 lbf
e
0.33
Enclosure
Open
I.D.
340 mm
Limiting speed - grease
520 RPM
Limiting Speed - Grease
520 RPM
Limiting speed - oil
680 RPM
Limiting Speed - Oil
680 RPM
Material
Through Hardened Steel
O.D.
580 mm
Operating temperature range
-40 to 250 ºF
Operating Temperature Range
-40 to 250 °F
r (in)
0.1969
Radial internal clearance
C3
Radial Internal Clearance
C3
ras max
0.1575 in
Ring modification
Relube
Ring Modification
Relube
Series
231
Static load rating
1480000 lbf
Static Load Rating
1480000 lbf
Taper
1:12
Tolerance
JIS-0 RBEC-1
Type
Spherical Roller Bearing
W0
1.0630 in
Y0
2.01
Y1
2.05
Y2
3.06
Technical Specifications
Type | Spherical Roller Bearing |
Bore Type | Tapered |
Material | Through Hardened Steel |
Cage Type | Machined |
Cage Material | Brass |
Limiting Speed - Oil | 680 RPM |
Limiting Speed - Grease | 520 RPM |
e | 0.33 |
Y1 | 2.05 |
Y2 | 3.06 |
Y0 | 2.01 |
Series | 231 |
Radial Internal Clearance | C3 |
Ring Modification | Relube |
Tolerance | JIS-0 RBEC-1 |
Taper | 1:12 |
Static Load Rating | 1480000 lbf6600000 N6600.00 kN |
Dynamic Load Rating | 810000 lbf3600000 N3600.00 kN |
Enclosure | Open |
Weight | 449.742 lb204.000 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.
