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NTN 23034EAW33C3 is a 230 series spherical roller bearing with a 170 mm straight bore. It features an enhanced brass cage with an annular lube groove (W33) and C3 clearance. The open design accommodates high radial and axial loads in heavy-duty industrial applications such as gearboxes, conveyors, and vibrating screens.
MODEL 23034EAW33C3
$1,552.89 Each
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B (in)
2.6378
Bore Type
Round
Bore type
Round
Cage Material
Steel
Cage material
Steel
Cage Type
Pressed
Cage type
Pressed
D (in)
10.2362
d (in)
6.6929
d0
0.1969 in
D1
9.3701 in
d1
7.4803 in
Da max
9.8031 in
da min
7.126 in
Dynamic Load Rating
205000 lbf
Dynamic load rating
205000 lbf
e
0.22
Enclosure
Open
I.D.
170 mm
Limiting Speed - Grease
1700 RPM
Limiting speed - grease
1700 RPM
Limiting Speed - Oil
2200 RPM
Limiting speed - oil
2200 RPM
Material
Through hardened steel
O.D.
260 mm
Operating Temperature Range
-40 to 400 °F
Operating temperature range
-40 to 400 ºF
r (in)
0.0827
Radial Internal Clearance
C3
Radial internal clearance
C3
ras max
0.0827 in
Ring Modification
Plain
Ring modification
Plain
Series
230
Static Load Rating
279000 lbf
Static load rating
279000 lbf
Tolerance
JIS-0 RBEC-1
Type
Spherical Roller Bearing
W0
0.4724 in
Y0
3.00
Y1
3.07
Y2
4.57
Technical Specifications
Type | Spherical Roller Bearing |
Bore Type | Round |
Material | Through Hardened Steel |
Cage Type | Pressed |
Cage Material | Steel |
Limiting Speed - Oil | 2200 RPM |
Limiting Speed - Grease | 1700 RPM |
e | 0.22 |
Y1 | 3.07 |
Y2 | 4.57 |
Y0 | 3.00 |
Series | 230 |
Radial Internal Clearance | C3 |
Ring Modification | Plain |
Tolerance | JIS-0 RBEC-1 |
Static Load Rating | 279000 lbf1240000 N1240.00 kN |
Dynamic Load Rating | 205000 lbf914000 N914.00 kN |
Enclosure | Open |
Weight | 27.999 lb12.700 kg |
Operating Temperature Range | -40 to 400 F-40 to 200 C |
Dimensional Specifications
| |
d | 6.6929 in170.000 mm |
D | 10.2362 in260.000 mm |
B | 2.6378 in67.000 mm |
d1 | 7.4803 in190.000 mm |
D1 | 9.3701 in238.000 mm |
r | 0.0827 in2.100 mm |
W0 | 0.4724 in12.000 mm |
d0 | 0.1969 in5.000 mm |
da min | 7.1260 in181.000 mm |
Da max | 9.8031 in249.000 mm |
ras max | 0.0827 in2.100 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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