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NTN 23034EAKW33 is a 230 series spherical roller bearing with a 170 mm straight bore. It features an enhanced design brass cage and an annular lube groove with three lube holes (W33). This bearing accommodates heavy radial and moderate axial loads in industrial gearboxes, fans, and mining equipment.
MODEL 23034EAKW33
$1,469.35 Each
Prices are subject to change
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Returnable:No
B (in)
2.6378
Bore type
Tapered
Bore Type
Tapered
Cage material
Steel
Cage Material
Steel
Cage type
Pressed
Cage Type
Pressed
d (in)
6.6929
D (in)
10.2362
d0
0.1969 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 ºF
Operating Temperature Range
-40 to 400 °F
r (in)
0.0827
Radial internal clearance
CN
Radial Internal Clearance
CN
Radial internal clearance specification
Normal
Radial Internal Clearance Specification
Normal
ras max
0.0827 in
Ring modification
Relube
Ring Modification
Relube
Series
230
Static load rating
279000 lbf
Static Load Rating
279000 lbf
Taper
1:12
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 | Tapered |
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 | CN |
Radial Internal Clearance Specification | Normal |
Ring Modification | Relube |
Static Load Rating | 279000 lbf1240000 N1240.00 kN |
Dynamic Load Rating | 205000 lbf914000 N914.00 kN |
Enclosure | Open |
Weight | 27.117 lb12.300 kg |
Operating Temperature Range | -40 to 400 F-40 to 200 C |
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.