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Cylindrical Roller Bearing - Inner Ring w/ Two Ribs, Separable, Plain Outer Ring - N Type
MODEL N311G1
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$109.62 Each
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Brand Minimum Order Quantity: 2
Typically Ships in: 1 day
Returnable:No
B (in)
1.1417
Bore Type
Round
Bore type
Round
Cage Material
High Strength Machined Brass Rivetless w/ square holes
Cage material
High strength machined brass rivetless w/ square holes
Configuration
One
D (in)
4.7244
d (in)
2.1654
Da max
4.3701 in
da min
2.5197 in
Db max
4.3701 in
db min
2.5197 in
Db min
4.3701 in
Dynamic Load Rating
25000 lbf
Dynamic load rating
25000 lbf
Enclosure
Open
Ew
4.1142 in
J (in)
3.0394
Limiting Speed - Grease
5900 RPM
Limiting speed - grease
5900 RPM
Limiting Speed - Oil
7000 RPM
Limiting speed - oil
7000 RPM
Material
Hardened alloy steel
Oil Hole
w/o Oil Hole
Oil hole
w/o Oil Hole
Precision
ISO class 0
r (in)
0.0787
r1as max
0.0787 in
Radial Internal Clearance
C3
Radial internal clearance
C3
Static Load Rating
25000 lbf
Static load rating
25000 lbf
Type
Cylindrical Roller Bearing
Specifications
| Bearing Data Sheet | ||
|---|---|---|
| Single Row Cylindrical Roller Bearings | ||
| NTN Part Number | N311 | |
| Weight | N/A (lbs) / N/A (kg) | |
| Dimensions | Features/Options | ||||
|---|---|---|---|---|---|
| Dimension | Imperial | Metric | Option | Code | Description |
|
Bore d O.D.D. Width B or W rs min r1s min Fw Ew J da min db min dc max dd min de min Da max Db max Db min ras max r1as max |
2.1654 (in) 4.7244 (in) 1.1417 (in) 0.0787 (in) 0.0787 (in) 2.7756 (in) 4.1142 (in) 3.0394 (in) 2.5197 (in) 2.5197 (in) 2.7165 (in) 2.8346 (in) 3.1496 (in) 4.3701 (in) 4.3701 (in) 4.2126 (in) 0.0787 (in) 0.0787 (in) |
55.000 (mm) 120.000 (mm) 29.000 (mm) 2.000 (mm) 2.000 (mm) 70.500 (mm) 104.500 (mm) 77.200 (mm) 64.000 (mm) 64.000 (mm) 69.000 (mm) 72.000 (mm) 80.000 (mm) 111.000 (mm) 111.000 (mm) 107.000 (mm) 2.000 (mm) 2.000 (mm) |
Series Internal Clr. Tolerance |
N3 |
N3 Cylindrical Series Normal radial clearance ISO class 0 |
| Basic Load Ratings | Limiting Speeds | ||||
|---|---|---|---|---|---|
| Static Dynamic |
25,000 (LBF) 24,900 (LBF) |
111,000 (N) 111,000 (N) |
Oil Seals Grease |
7,000.00 (RPM) N/A 5,900.00 (RPM) |
|
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