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NTN 22244EMW33C3 is a 222 series spherical roller bearing with a 220 mm straight bore. It features a machined brass cage, an annular lube groove with three lube holes (W33), and C3 clearance. The open design is suitable for heavy-duty industrial applications such as gearboxes, conveyors, and vibrating screens.
MODEL 22244EMW33C3
$4,482.85 Each
Prices are subject to change
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Returnable:No
B (in)
4.2520
Bore type
Round
Bore Type
Round
Cage material
Brass
Cage Material
Brass
Cage type
Machined
Cage Type
Machined
D (in)
15.7480
d (in)
8.6614
d0
0.4331 in
D1
14.0945 in
d1
10.3937 in
Da max
15.0787 in
da min
9.3307 in
Dynamic load rating
495000 lbf
Dynamic Load Rating
495000 lbf
e
0.25
Enclosure
Open
I.D.
200 mm
Limiting speed - grease
1200 RPM
Limiting Speed - Grease
1200 RPM
Limiting speed - oil
1500 RPM
Limiting Speed - Oil
1500 RPM
Material
Through Hardened Steel
O.D.
360 mm
Operating temperature range
-40 to 400 ºF
Operating Temperature Range
-40 to 400 °F
r (in)
0.1575
Radial internal clearance
C3
Radial Internal Clearance
C3
ras max
0.1575 in
Ring modification
Relube
Ring Modification
Relube
Series
222
Static load rating
605000 lbf
Static Load Rating
605000 lbf
Tolerance
JIS-0 RBEC-1
Type
Spherical Roller Bearing
W0
0.8268 in
Y0
2.68
Y1
2.74
Y2
4.08
Technical Specifications
Type | Spherical Roller Bearing |
Bore Type | Round |
Material | Through Hardened Steel |
Cage Type | Machined |
Cage Material | Brass |
Limiting Speed - Oil | 1500 RPM |
Limiting Speed - Grease | 1200 RPM |
e | 0.25 |
Y1 | 2.74 |
Y2 | 4.08 |
Y0 | 2.68 |
Series | 222 |
Radial Internal Clearance | C3 |
Ring Modification | Relube |
Tolerance | JIS-0 RBEC-1 |
Static Load Rating | 605000 lbf2690000 N2690.00 kN |
Dynamic Load Rating | 495000 lbf2210000 N2210.00 kN |
Enclosure | Open |
Weight | 131.175 lb59.500 kg |
Operating Temperature Range | -40 to 400 F-40 to 200 C |
Dimensional Specifications
| |
d | 8.6614 in220.000 mm |
D | 15.7480 in400.000 mm |
B | 4.2520 in108.000 mm |
d1 | 10.3937 in264.000 mm |
D1 | 14.0945 in358.000 mm |
r | 0.1575 in4.000 mm |
W0 | 0.8268 in21.000 mm |
d0 | 0.4331 in11.000 mm |
da min | 9.3307 in237.000 mm |
Da max | 15.0787 in383.000 mm |
ras max | 0.1575 in4.000 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.
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