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NTN 22211EANRW33 is a 222 series spherical roller bearing with a 55 mm straight bore. It features an enhanced design brass cage, annular lube groove with three lube holes (W33), and a snap ring groove. This open bearing is through hardened steel and accommodates heavy radial loads in industrial gearboxes, fans, and conveyors.
MODEL 22211EANRW33
$216.14 Each
Prices are subject to change
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Returnable:No
a (in)
0.1291
B (in)
0.9843
Bore type
Round
Bore Type
Round
Cage material
Steel
Cage Material
Steel
Cage type
Pressed
Cage Type
Pressed
Configuration
One
D (in)
3.9370
d (in)
2.1654
D1
3.5433 in
d1
2.5984 in
D2
4.1929 in
D3
3.7874 in
Dynamic load rating
35000 lbf
Dynamic Load Rating
35000 lbf
Enclosure
Open
f (in)
0.0949
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 ºF
Operating Temperature Range
-40 to 400 °F
Precision
Standard
r (in)
0.0591
Radial internal clearance
CN
Radial Internal Clearance
CN
Ring modification
Snap ring
Ring Modification
Snap Ring
Seal material
None
Seal type
None
Series
222
Static load rating
33500 lbf
Static Load Rating
33500 lbf
Tolerance
JIS-0 RBEC-1
Type
Spherical Roller Bearing
W0
0.1181 in
Technical Specifications
Type | Spherical Roller Bearing |
|---|---|
Bore Type | Round |
Material | Through Hardened Steel |
Cage Type | Pressed |
Cage Material | Steel |
Limiting Speed - Oil | 6700 RPM |
Limiting Speed - Grease | 5300 RPM |
Seal Type | None |
Seal Material | None |
Series | 222 |
Precision | Standard |
Tolerance | JIS-0 RBEC-1 |
Ring Modification | Snap Ring |
Configuration | One |
Radial Internal Clearance | CN |
Static Load Rating | 33500 lbf148000 N148.00 kN |
Dynamic Load Rating | 35000 lbf155000 N155.00 kN |
Enclosure | Open |
Weight | 0.372 lb0.820 kg |
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 |
D2 | 4.1929 in106.500 mm |
D3 | 3.7874 in96.200 mm |
r | 0.0591 in1.500 mm |
a | 0.1291 in3.280 mm |
f | 0.0949 in2.410 mm |
W0 | 0.1181 in3.000 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.
