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NTN 23160BL1W33 is a 231 series spherical roller bearing with a 300 mm straight bore. It features a brass cage and an annular lube groove with three lube holes (W33). Designed for heavy-duty industrial applications such as gearboxes, mining equipment, and paper mills.
MODEL 23160BL1W33
$12,762.37 Each
Prices are subject to change
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B (in)
6.2992
Bore type
Round
Bore Type
Round
Cage material
Brass
Cage Material
Brass
Cage type
Machined
Cage Type
Machined
D (in)
19.6850
d (in)
11.8110
d0
0.4724 in
Da max
18.8189 in
da min
12.6772 in
Dynamic load rating
620000 lbf
Dynamic Load Rating
620000 lbf
e
0.32
Enclosure
Open
I.D.
300 mm
Limiting speed - grease
600 RPM
Limiting Speed - Grease
600 RPM
Limiting speed - oil
780 RPM
Limiting Speed - Oil
780 RPM
Material
Through Hardened Steel
O.D.
500 mm
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
231
Static load rating
1120000 lbf
Static Load Rating
1120000 lbf
Tolerance
JIS-0 RBEC-1
Type
Spherical Roller Bearing
W0
0.6299 in
Width
160 mm
Y0
2.07
Y1
2.11
Y2
3.15
Technical Specifications
Type | Spherical Roller Bearing |
|---|---|
Bore Type | Round |
Material | Through Hardened Steel |
Cage Type | Machined |
Cage Material | Brass |
Limiting Speed - Oil | 780 RPM |
Limiting Speed - Grease | 600 RPM |
e | 0.32 |
Y1 | 2.11 |
Y2 | 3.15 |
Y0 | 2.07 |
Series | 231 |
Radial Internal Clearance | CN |
Ring Modification | Relube |
Tolerance | JIS-0 RBEC-1 |
Static Load Rating | 1120000 lbf5000000 N5000.00 kN |
Dynamic Load Rating | 620000 lbf2750000 N2750.00 kN |
Enclosure | Open |
Operating Temperature Range | -40 to 250 F-40 to 120 C |
Dimensional Specifications
| |
d | 11.8110 in300.000 mm |
|---|---|
D | 19.6850 in500.000 mm |
B | 6.2992 in160.000 mm |
r | 0.1969 in5.000 mm |
W0 | 0.6299 in16.000 mm |
d0 | 0.4724 in12.000 mm |
da min | 12.6772 in322.000 mm |
Da max | 18.8189 in478.000 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.
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