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NTN N1018 is an N type cylindrical roller bearing with a 90 mm straight bore. The N configuration features no flanges on the inner ring, making the bearing separable and capable of accommodating axial expansion. This single-row design is suitable for applications requiring free axial movement of the shaft relative to the housing.
MODEL N1018
$484.30 Each
Prices are subject to change
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Returnable:No
B (in)
0.9449
Bore Type
Round
Bore type
Round
Cage Material
Machined Carbon Steel
Cage material
Machined carbon steel
Configuration
One
D (in)
5.5118
d (in)
3.5433
Da max
5.1969 in
da min
3.7992 in
Db max
5.2559 in
Db min
5.2559 in
db min
3.8583 in
Dynamic Load Rating
19800 lbf
Dynamic load rating
19800 lbf
Enclosure
Open
Ew
5.0000 in
I.D.
90 mm
J (in)
4.2441
Limiting Speed - Grease
5100 RPM
Limiting speed - grease
5100 RPM
Limiting Speed - Oil
5900 RPM
Limiting speed - oil
5900 RPM
Material
Hardened alloy steel
O.D.
140 mm
Oil Hole
w/o Oil Hole
Oil hole
w/o Oil Hole
Precision
ISO class 0
r (in)
0.0591
r1as max
0.0591 in
Radial Internal Clearance
CN
Radial internal clearance
CN
Static Load Rating
25600 lbf
Static load rating
25600 lbf
Type
Cylindrical Roller Bearing
Technical Specifications
Type | Cylindrical Roller Bearing |
Bore Type | Round |
Material | Hardened Alloy Steel |
Cage Material | Machined Carbon Steel |
Limiting Speed - Oil | 5900 RPM |
Limiting Speed - Grease | 5100 RPM |
Precision | ISO Class 0 |
Configuration | One |
Oil Hole | w/o Oil Hole |
Radial Internal Clearance | CN |
Static Load Rating | 25600 lbf114000 N114.00 kN |
Dynamic Load Rating | 19800 lbf88000 N88.00 kN |
Enclosure | Open |
Weight | 2.926 lb1.327 kg |
Dimensional Specifications
| |
d | 3.5433 in90.000 mm |
D | 5.5118 in140.000 mm |
B | 0.9449 in24.000 mm |
Ew | 5.0000 in127.000 mm |
J | 4.2441 in107.800 mm |
r | 0.0591 in1.500 mm |
da min | 3.7992 in96.500 mm |
db min | 3.8583 in98.000 mm |
Da max | 5.1969 in132.000 mm |
Db max | 5.2559 in133.500 mm |
Db min | 5.2559 in133.500 mm |
r1as max | 0.0591 in1.500 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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