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NTN 22215EMW33C3 is a 222 series spherical roller bearing with a 75 mm straight bore. It features a machined brass cage and an annular lube groove with three lube holes (W33). The open design and C3 clearance accommodate thermal expansion in heavy-duty industrial applications such as gearboxes, fans, and conveyors.
MODEL 22215EMW33C3
$296.37 Each
Prices are subject to change
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Returnable:No
B (in)
1.2205
Bore type
Round
Bore Type
Round
Cage material
Brass
Cage Material
Brass
Cage type
Machined
Cage Type
Machined
d (in)
2.9528
D (in)
5.1181
d0
0.1378 in
D1
4.6457 in
d1
3.4646 in
Da max
4.7638 in
da min
3.3071 in
Dynamic load rating
55000 lbf
Dynamic Load Rating
55000 lbf
e
0.22
Enclosure
Open
I.D.
75 mm
Limiting speed - grease
4000 RPM
Limiting Speed - Grease
4000 RPM
Limiting speed - oil
5000 RPM
Limiting Speed - Oil
5000 RPM
Material
Through Hardened Steel
O.D.
130 mm
Operating temperature range
-40 to 400 ºF
Operating Temperature Range
-40 to 400 °F
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
56000 lbf
Static Load Rating
56000 lbf
Tolerance
JIS-0 RBEC-1
Type
Spherical Roller Bearing
W0
0.2756 in
Width
31 mm
Y0
3.07
Y1
3.14
Y2
4.67
Technical Specifications
Type | Spherical Roller Bearing |
|---|---|
Bore Type | Round |
Material | Through Hardened Steel |
Cage Type | Machined |
Cage Material | Brass |
Limiting Speed - Oil | 5000 RPM |
Limiting Speed - Grease | 4000 RPM |
e | 0.22 |
Y1 | 3.14 |
Y2 | 4.67 |
Y0 | 3.07 |
Series | 222 |
Radial Internal Clearance | C3 |
Ring Modification | Relube |
Tolerance | JIS-0 RBEC-1 |
Static Load Rating | 56000 lbf249000 N249.00 kN |
Dynamic Load Rating | 55000 lbf245000 N245.00 kN |
Enclosure | Open |
Operating Temperature Range | -40 to 400 F-40 to 200 C |
Dimensional Specifications
| |
d | 2.9528 in75.000 mm |
|---|---|
D | 5.1181 in130.000 mm |
B | 1.2205 in31.000 mm |
d1 | 3.4646 in88.000 mm |
D1 | 4.6457 in118.000 mm |
r | 0.0591 in1.500 mm |
W0 | 0.2756 in7.000 mm |
d0 | 0.1378 in3.500 mm |
da min | 3.3071 in84.000 mm |
Da max | 4.7638 in121.000 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 | Boston Gear |
| Model | F726-10-B5-H |