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NTN 29344E thrust spherical roller bearing with a 220 mm straight bore. Open design with a brass cage and through hardened steel construction. Designed for heavy axial loads in industrial gearboxes, crushers, and marine propulsion systems.
MODEL 29344E
$8,982.28 Each
Prices are subject to change
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Returnable:No
Bore Type
Round
Bore type
Round
Cage Material
Steel
Cage material
Steel
Cage Type
Pressed
Cage type
Pressed
Configuration
One
Enclosure
Open
Height
14.173
Length
14.173
Limiting Speed - Oil
980 RPM
Limiting speed - oil
980 RPM
Material
Through hardened steel
Radial Internal Clearance
CN
Radial internal clearance
CN
Ring Modification
Plain
Ring modification
Plain
Type
Spherical Thrust Roller Bearing
Width
3.3465
Technical Specifications
Type | Spherical Thrust Roller Bearing |
Bore Type | Round |
Material | Through Hardened Steel |
Cage Type | Pressed |
Cage Material | Brass |
Limiting Speed - Oil | 980 RPM |
Configuration | One |
Ring Modification | Plain |
Radial Internal Clearance | CN |
Static Load Rating | 1420000 lbf6300000 N6300.00 kN |
Dynamic Load Rating | 390000 lbf1740000 N1740.00 kN |
Enclosure | Open |
Weight | 69.666 lb31.600 kg |
Operating Temperature Range | -40 to 400 F-40 to 200 C |
Dimensional Specifications
| |
d | 8.6614 in220.000 mm |
D | 14.1732 in360.000 mm |
d1 | 10.7480 in273.000 mm |
D1 | 12.7717 in324.400 mm |
T | 3.3465 in85.000 mm |
A | 4.9213 in125.000 mm |
B1 | 1.1417 in29.000 mm |
C | 1.6142 in41.000 mm |
r | 0.1575 in4.000 mm |
da min | 11.2205 in285.000 mm |
Da max | 12.4409 in316.000 mm |
ras max | 0.1181 in3.000 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.
