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NTN 29330 is a single-direction thrust spherical roller bearing with a 150 mm straight bore. Designed for heavy axial loads and moderate radial loads, it features a steel cage and accommodates shaft misalignment. Common in marine propulsion, oilfield equipment, and heavy industrial gearboxes.
MODEL 29330
$3,083.67 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
9.843
I.D.
150 mm
Length
9.843
Limiting Speed - Oil
1400 RPM
Limiting speed - oil
1400 RPM
Material
Through hardened steel
O.D.
250 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 | 1400 RPM |
| Configuration | One |
| Ring Modification | Plain |
| Radial Internal Clearance | CN |
| Static Load Rating | 535000 lbf2390000 N2390.00 kN |
| Dynamic Load Rating | 152000 lbf675000 N675.00 kN |
| Enclosure | Open |
| Operating Temperature Range | -40 to 250 F-40 to 120 C |
Dimensional Specifications
| |
| d | 5.9055 in150.000 mm |
|---|---|
| D | 9.8425 in250.000 mm |
| d1 | 9.4488 in240.000 mm |
| D1 | 7.6378 in194.000 mm |
| T | 2.3622 in60.000 mm |
| A | 3.4252 in87.000 mm |
| B1 | 0.7874 in20.000 mm |
| C | 1.1417 in29.000 mm |
| r | 0.0827 in2.100 mm |
| da min | 7.6772 in195.000 mm |
| Da max | 8.4646 in215.000 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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