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NTN 29418 thrust spherical roller bearing with 90 mm straight bore. Designed for heavy axial loads in low-speed, high-load applications such as marine propulsion, oil field equipment, and crane hooks. Features a steel cage and accommodates combined axial and radial loads.
MODEL 29418
$2,059.12 Each
Prices are subject to change
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Returnable:No
Bore Type
Round
Bore type
Round
Cage Material
Brass
Cage material
Brass
Cage Type
Machined - Two Piece
Cage type
Machined - two piece
Configuration
One
Enclosure
Open
Height
7.48
I.D.
90 mm
Length
7.48
Limiting Speed - Oil
1700 RPM
Limiting speed - oil
1700 RPM
Material
Through hardened steel
O.D.
190 mm
Radial Internal Clearance
CN
Radial internal clearance
CN
Ring Modification
Plain
Ring modification
Plain
Type
Spherical Thrust Roller Bearing
Width
2.3622
Technical Specifications
Type | Spherical Thrust Roller Bearing |
Bore Type | Round |
Material | Through Hardened Steel |
Cage Type | Machined - Two Piece |
Cage Material | Brass |
Limiting Speed - Oil | 1700 RPM |
Configuration | One |
Ring Modification | Plain |
Radial Internal Clearance | CN |
Static Load Rating | 380000 lbf1680000 N1680.00 kN |
Dynamic Load Rating | 123000 lbf545000 N545.00 kN |
Enclosure | Open |
Weight | 18.475 lb8.380 kg |
Operating Temperature Range | -40 to 250 F-40 to 120 C |
Dimensional Specifications
| |
d | 3.5433 in90.000 mm |
D | 7.4803 in190.000 mm |
d1 | 7.0866 in180.000 mm |
D1 | 5.1969 in132.000 mm |
T | 2.3622 in60.000 mm |
A | 2.2047 in56.000 mm |
B1 | 0.8661 in22.000 mm |
C | 1.1417 in29.000 mm |
r | 0.0827 in2.100 mm |
da min | 5.3150 in135.000 mm |
Da max | 6.1811 in157.000 mm |
ras max | 0.0787 in2.000 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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