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NTN 22348BKW33C3 is a 223 series spherical roller bearing with a 240 mm straight bore. It features a lead steel cage, C3 clearance, and W33 annular lube groove with three lubrication holes. The open design is made of through hardened steel. Suitable for heavy-duty industrial applications such as gearboxes, mining equipment, and paper mills.
MODEL 22348BKW33C3
$12,035.30 Each
Prices are subject to change
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B (in)
6.1024
Bore type
Tapered
Bore Type
Tapered
Cage material
Steel
Cage Material
Steel
Cage type
Machined
Cage Type
Machined
D (in)
19.6850
d (in)
9.4488
d0
0.6299 in
Da max
18.8189 in
da min
10.3150 in
Dynamic load rating
610000 lbf
Dynamic Load Rating
610000 lbf
e
0.32
Enclosure
Open
I.D.
240 mm
Limiting speed - grease
720 RPM
Limiting Speed - Grease
720 RPM
Limiting speed - oil
930 RPM
Limiting Speed - Oil
930 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
C3
Radial Internal Clearance
C3
ras max
0.1575 in
Ring modification
Relube
Ring Modification
Relube
Series
223
Static load rating
920000 lbf
Static Load Rating
920000 lbf
Taper
1:12
Tolerance
JIS-0 RBEC-1
Type
Spherical Roller Bearing
W0
0.7874 in
Width
155 mm
Y0
2.06
Y1
2.10
Y2
3.13
Technical Specifications
Type | Spherical Roller Bearing |
|---|---|
Bore Type | Tapered |
Material | Through Hardened Steel |
Cage Type | Machined |
Cage Material | Lead Steel |
Limiting Speed - Oil | 930 RPM |
Limiting Speed - Grease | 720 RPM |
e | 0.32 |
Y1 | 2.10 |
Y2 | 3.13 |
Y0 | 2.06 |
Series | 223 |
Radial Internal Clearance | C3 |
Ring Modification | Relube |
Tolerance | JIS-0 RBEC-1 |
Taper | 1:12 |
Static Load Rating | 920000 lbf4100000 N4100.00 kN |
Dynamic Load Rating | 610000 lbf2720000 N2720.00 kN |
Enclosure | Open |
Operating Temperature Range | -40 to 250 F-40 to 120 C |
Dimensional Specifications
| |
d | 9.4488 in240.000 mm |
|---|---|
D | 19.6850 in500.000 mm |
B | 6.1024 in155.000 mm |
r | 0.1969 in5.000 mm |
W0 | 0.7874 in20.000 mm |
d0 | 0.6299 in16.000 mm |
da min | 10.3150 in262.000 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.