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NTN 22308EAKW33 is a 223 series spherical roller bearing with a 40 mm straight bore. Features an enhanced design brass cage and W33 annular lube groove with three lubrication holes. Suitable for heavy-duty industrial applications including gearboxes, conveyors, and vibrating equipment.
MODEL 22308EAKW33
$241.76 Each
Prices are subject to change
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Returnable:No
B (in)
1.2992
Bore Type
Tapered
Bore type
Tapered
Cage Material
Steel
Cage material
Steel
Cage Type
Pressed
Cage type
Pressed
D (in)
3.5433
d (in)
1.5748
d0
0.1181 in
Da max
3.1890 in
da min
1.9291 in
Dynamic Load Rating
38000 lbf
Dynamic load rating
38000 lbf
e
0.36
Enclosure
Open
I.D.
40 mm
Limiting Speed - Grease
5400 RPM
Limiting speed - grease
5400 RPM
Limiting Speed - Oil
6600 RPM
Limiting speed - oil
6600 RPM
Material
Through hardened steel
O.D.
90 mm
Operating Temperature Range
-40 to 400 °F
Operating temperature range
-40 to 400 ºF
r (in)
0.0591
Radial Internal Clearance
CN
Radial internal clearance
CN
ras max
0.0591 in
Ring Modification
Relube
Ring modification
Relube
Series
223
Static Load Rating
34000 lbf
Static load rating
34000 lbf
Taper
1 to 12
Tolerance
JIS-0 RBEC-1
Type
Spherical Roller Bearing
W0
0.2362 in
Y0
1.83
Y1
1.87
Y2
2.79
Technical Specifications
Type | Spherical Roller Bearing |
Bore Type | Tapered |
Material | Through Hardened Steel |
Cage Type | Pressed |
Cage Material | Steel |
Limiting Speed - Oil | 6600 RPM |
Limiting Speed - Grease | 5400 RPM |
e | 0.36 |
Y1 | 1.87 |
Y2 | 2.79 |
Y0 | 1.83 |
Series | 223 |
Radial Internal Clearance | CN |
Ring Modification | Relube |
Tolerance | JIS-0 RBEC-1 |
Static Load Rating | 34000 lbf152000 N152.00 kN |
Dynamic Load Rating | 38000 lbf169000 N169.00 kN |
Enclosure | Open |
Weight | 2.205 lb1.000 kg |
Operating Temperature Range | -40 to 400 F-40 to 200 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.
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