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NTN 24168BK30W33 is a 241 series spherical roller bearing with a 340 mm straight bore. It features a brass cage and W33 annular lube groove with three lube holes for effective lubrication. This open bearing is constructed from through hardened steel and is suitable for heavy-duty industrial applications such as gearboxes, mining equipment, and paper mills.
MODEL 24168BK30W33
$159,053.31 Each
Prices are subject to change
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Returnable: See conditions
B (in)
9.5669
Bore type
Tapered
Bore Type
Tapered
Cage material
Steel
Cage Material
Steel
Cage type
Machined
Cage Type
Machined
D (in)
22.8346
d (in)
13.3858
d0
0.7874 in
Da max
21.9685 in
da min
14.2520 in
Dynamic load rating
1030000 lbf
Dynamic Load Rating
1030000 lbf
e
0.42
Enclosure
Open
Limiting speed - grease
520 RPM
Limiting Speed - Grease
520 RPM
Limiting speed - oil
680 RPM
Limiting Speed - Oil
680 RPM
Material
Through Hardened Steel
Operating temperature range
-40 to 250 ºF
Operating Temperature Range
-40 to 250 °F
r (in)
0.1969
Radial internal clearance
CN
Radial Internal Clearance
CN
ras max
0.1575 in
Ring modification
Relube
Ring Modification
Relube
Series
241
Static load rating
2010000 lbf
Static Load Rating
2010000 lbf
Taper
1:30
Tolerance
JIS-0 RBEC-1
Type
Spherical Roller Bearing
W0
0.6299 in
Y0
1.57
Y1
1.61
Y2
2.39
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 | 0.42 |
Y1 | 1.61 |
Y2 | 2.39 |
Y0 | 1.57 |
Series | 241 |
Radial Internal Clearance | CN |
Ring Modification | Relube |
Tolerance | JIS-0 RBEC-1 |
Static Load Rating | 2010000 lbf8950000 N8950.00 kN |
Dynamic Load Rating | 1030000 lbf4600000 N4600.00 kN |
Enclosure | Open |
Weight | 584.224 lb265.000 kg |
Operating Temperature Range | -40 to 250 F-40 to 120 C |
Dimensional Specifications
| |
d | 13.3858 in340.000 mm |
|---|---|
D | 22.8346 in580.000 mm |
B | 9.5669 in243.000 mm |
r | 0.1969 in5.000 mm |
W0 | 0.6299 in16.000 mm |
d0 | 0.7874 in20.000 mm |
da min | 14.2520 in362.000 mm |
Da max | 21.9685 in558.000 mm |
ras max | 0.1575 in4.000 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.
