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NTN 22212EAW33C3 is a 222 series spherical roller bearing with a 60 mm straight bore. It features an enhanced brass cage, annular lube groove with three lube holes (W33), and C3 clearance. This open bearing is designed for heavy-duty industrial applications such as gearboxes, fans, and vibrating screens.
MODEL 22212EAW33C3
$239.99 Each
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Bearing Type
Spherical roller bearing
Cage
Steel
Clearance
C3
Enclosure
Open
Height
4.331
I.D.
60 mm
Length
4.331
Material
Through hardened steel
O.D.
110 mm
Width
1.1024
Technical Specifications
Type | Spherical Roller Bearing |
Bore Type | Round |
Material | Through Hardened Steel |
Cage Type | Pressed |
Cage Material | Steel |
Limiting Speed - Oil | 6000 RPM |
Limiting Speed - Grease | 4800 RPM |
e | 0.24 |
Y1 | 2.84 |
Y2 | 4.23 |
Y0 | 2.78 |
Series | 222 |
Radial Internal Clearance | C3 |
Ring Modification | Relube |
Tolerance | JIS-0 RBEC-1 |
Static Load Rating | 40500 lbf181000 N181.00 kN |
Dynamic Load Rating | 42000 lbf187000 N187.00 kN |
Enclosure | Open |
Weight | 2.491 lb1.130 kg |
Operating Temperature Range | -40 to 400 F-40 to 200 C |
Dimensional Specifications
| |
d | 2.3622 in60.000 mm |
D | 4.3307 in110.000 mm |
B | 1.1024 in28.000 mm |
d1 | 2.7953 in71.000 mm |
D1 | 3.8976 in99.000 mm |
r | 0.0591 in1.500 mm |
W0 | 0.2756 in7.000 mm |
d0 | 0.1181 in3.000 mm |
da min | 2.7165 in69.000 mm |
Da max | 3.9764 in101.000 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.