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NTN NU326EHSV4 is a NU type cylindrical roller bearing with a 130 mm straight bore. It features a full complement design (no cage) for maximum load capacity and is open (unsealed). The separable outer ring has no flanges, accommodating axial shaft expansion. Made from hardened alloy steel, it is suitable for heavy-duty industrial applications such as gearboxes and mill drives.
MODEL NU326EHSV4
$2,520.05 Each
Prices are subject to change
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B (in)
2.2835
Bore type
Round
Bore Type
Round
Cage material
0
Cage Material
0
Configuration
One
D (in)
11.0236
d (in)
5.1181
da min
5.748 in
Dynamic load rating
138000 lbf
Dynamic Load Rating
138000 lbf
Enclosure
Open
Fw
6.5748 in
Limiting speed - grease
2200 RPM
Limiting Speed - Grease
2200 RPM
Limiting speed - oil
2600 RPM
Limiting Speed - Oil
2600 RPM
Material
Hardened Alloy Steel
Oil hole
w/o Oil Hole
Oil Hole
w/o Oil Hole
Operating temperature range
-40 to 250 ºF
Operating Temperature Range
-40 to 250 °F
r (in)
0.1575
r1as max
0.1181 in
Radial internal clearance
CN
Radial Internal Clearance
CN
Static load rating
165000 lbf
Static Load Rating
165000 lbf
Tolerance
ISO Class 0 (RBEC 1)
Type
Cylindrical Roller Bearing
Technical Specifications
Type | Cylindrical Roller Bearing |
Bore Type | Round |
Material | Hardened Alloy Steel |
Limiting Speed - Oil | 2600 RPM |
Limiting Speed - Grease | 2200 RPM |
Configuration | One |
Tolerance | ISO Class 0 (RBEC 1) |
Oil Hole | w/o Oil Hole |
Radial Internal Clearance | CN |
Static Load Rating | 165000 lbf735000 N735.00 kN |
Dynamic Load Rating | 138000 lbf615000 N615.00 kN |
Enclosure | Open |
Operating Temperature Range | -40 to 250 F-40 to 120 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.
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