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NTN 22211EMW33C3 is a 222 series spherical roller bearing with a 55 mm straight bore. It features a machined brass cage and an annular lube groove with three lube holes (W33). The bearing is open and has C3 clearance for applications requiring thermal expansion accommodation. Suitable for heavy-duty industrial machinery, gearboxes, and vibrating equipment.
MODEL 22211EMW33C3
$228.17 Each
Prices are subject to change
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Returnable:No
B (in)
0.9843
Bore Type
Round
Bore type
Round
Cage Material
Brass
Cage material
Brass
Cage Type
Machined
Cage type
Machined
D (in)
3.9370
d (in)
2.1654
d0
0.1181 in
D1
3.5433 in
d1
2.5984 in
Da max
3.5827 in
da min
2.5197 in
Dynamic Load Rating
33500 lbf
Dynamic load rating
33500 lbf
e
0.23
Enclosure
Open
I.D.
55 mm
Limiting Speed - Grease
5300 RPM
Limiting speed - grease
5300 RPM
Limiting Speed - Oil
6700 RPM
Limiting speed - oil
6700 RPM
Material
Through hardened steel
O.D.
100 mm
Operating Temperature Range
-40 to 400 °F
Operating temperature range
-40 to 400 ºF
r (in)
0.0591
Radial Internal Clearance
C3
Radial internal clearance
C3
ras max
0.0591 in
Ring Modification
Relube
Ring modification
Relube
Series
222
Static Load Rating
31500 lbf
Static load rating
31500 lbf
Tolerance
JIS-0 RBEC-1
Type
Spherical Roller Bearing
W0
0.2362 in
Width
1.063
Y0
2.89
Y1
2.95
Y2
4.40
Technical Specifications
Type | Spherical Roller Bearing |
|---|---|
Bore Type | Round |
Material | Through Hardened Steel |
Cage Type | Machined |
Cage Material | Brass |
Limiting Speed - Oil | 6700 RPM |
Limiting Speed - Grease | 5300 RPM |
e | 0.23 |
Y1 | 2.95 |
Y2 | 4.40 |
Y0 | 2.89 |
Series | 222 |
Radial Internal Clearance | C3 |
Ring Modification | Relube |
Tolerance | JIS-0 RBEC-1 |
Static Load Rating | 31500 lbf140000 N140.00 kN |
Dynamic Load Rating | 33500 lbf148000 N148.00 kN |
Enclosure | Open |
Operating Temperature Range | -40 to 400 F-40 to 200 C |
Dimensional Specifications
| |
d | 2.1654 in55.000 mm |
|---|---|
D | 3.9370 in100.000 mm |
B | 0.9843 in25.000 mm |
d1 | 2.5984 in66.000 mm |
D1 | 3.5433 in90.000 mm |
r | 0.0591 in1.500 mm |
W0 | 0.2362 in6.000 mm |
d0 | 0.1181 in3.000 mm |
da min | 2.5197 in64.000 mm |
Da max | 3.5827 in91.000 mm |
ras max | 0.0591 in1.500 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.
| Brand | SMC |
| Model | ISE20B-Y-M-01-W-X505 |
