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N1018C2NAP5

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NTN N1018C2NAP5 is an N-type cylindrical roller bearing with a 90 mm straight bore. The N configuration features no flanges on the inner ring, making it separable and able to accommodate axial expansion. This open bearing has a machined carbon steel cage and C2 clearance. It is constructed from hardened alloy steel for precision applications.

MODEL N1018C2NAP5

BRAND

NTN Bearing

SKU

272905

WEIGHT

2.926 lb

UOM

each

UPC

4547359149616

$643.93 Each

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Bearing Modification Services

Typically Ships in: 1 day

Returnable:No

B (in)

0.9449

Bore Type

Round

Bore type

Round

Cage Material

Machined Carbon Steel

Cage material

Machined carbon steel

Clearance

C2

Configuration

One

d (in)

3.5433

D (in)

5.5118

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 5

r (in)

0.0591

r1as max

0.0591 in

Radial Internal Clearance

C2NA

Radial internal clearance

C2NA

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 5
Configuration
 One
Oil Hole
 w/o Oil Hole
Radial Internal Clearance
 C2NA
Static Load Rating
 25600 lbf114000 N114.00 kN
Dynamic Load Rating
 19800 lbf88000 N88.00 kN
Enclosure
 Open
Dimensional Specifications


Cylindrical Roller Bearing - Inner Ring w/ Two Ribs, Separable, Plain Outer Ring - Dimensions

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

Drawing
2D Sectional View PDF

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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