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NTN 22209EAKW33C4 is a 222 series spherical roller bearing with a 45 mm straight bore. It features an enhanced design brass cage, an annular lube groove with three lube holes (W33), and C4 clearance. This open bearing is suitable for heavy-duty industrial applications such as gearboxes and vibrating screens.
MODEL 22209EAKW33C4
$184.39 Each
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B (in)
0.9055
Bore type
Tapered
Bore Type
Tapered
Cage material
Steel
Cage Material
Steel
Cage type
Pressed
Cage Type
Pressed
D (in)
3.3465
d (in)
1.7717
d0
0.0984 in
D1
2.9921 in
d1
2.1260 in
Da max
3.0709 in
da min
2.0472 in
Dynamic load rating
27200 lbf
Dynamic Load Rating
27200 lbf
e
0.26
Enclosure
Open
I.D.
45 mm
Limiting speed - grease
1600 RPM
Limiting Speed - Grease
1600 RPM
Limiting speed - oil
7700 RPM
Limiting Speed - Oil
7700 RPM
Material
Through Hardened Steel
O.D.
85 mm
Operating temperature range
-40 to 400 ºF
Operating Temperature Range
-40 to 400 °F
r (in)
0.0433
Radial internal clearance
C4
Radial Internal Clearance
C4
ras max
0.0433 in
Ring modification
Relube
Ring Modification
Relube
Series
222
Static load rating
25400 lbf
Static Load Rating
25400 lbf
Taper
1:12
Tolerance
JIS-0 RBEC-1
Type
Spherical Roller Bearing
W0
0.2362 in
Y0
2.58
Y1
2.64
Y2
3.93
Technical Specifications
Type | Spherical Roller Bearing |
Bore Type | Tapered |
Material | Through Hardened Steel |
Cage Type | Pressed |
Cage Material | Steel |
Limiting Speed - Oil | 7700 RPM |
Limiting Speed - Grease | 1600 RPM |
e | 0.26 |
Y1 | 2.64 |
Y2 | 3.93 |
Y0 | 2.58 |
Series | 222 |
Radial Internal Clearance | C4 |
Ring Modification | Relube |
Tolerance | JIS-0 RBEC-1 |
Taper | 1:12 |
Static Load Rating | 25400 lbf113000 N113.00 kN |
Dynamic Load Rating | 27200 lbf121000 N121.00 kN |
Enclosure | Open |
Weight | 1.237 lb0.561 kg |
Operating Temperature Range | -40 to 400 F-40 to 200 C |
Dimensional Specifications
| |
d | 1.7717 in45.000 mm |
D | 3.3465 in85.000 mm |
B | 0.9055 in23.000 mm |
d1 | 2.1260 in54.000 mm |
D1 | 2.9921 in76.000 mm |
r | 0.0433 in1.100 mm |
W0 | 0.2362 in6.000 mm |
d0 | 0.0984 in2.500 mm |
da min | 2.0472 in52.000 mm |
Da max | 3.0709 in78.000 mm |
ras max | 0.0433 in1.100 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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