| Weight | |
|---|---|
| OEM | OEM P/N |
| Manufacturer | Part Number |
|---|---|
| NTN | NJ311EG15 |
| Bearing Data Sheet | ||
|---|---|---|
| Single Row Cylindrical Roller Bearings | ||
| NTN Part Number | NJ311E | |
| 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) 3.0591 (in) 2.5197 (in) 2.7165 (in) 2.8346 (in) 3.1496 (in) 4.3701 (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) 77.700 (mm) 64.000 (mm) 69.000 (mm) 72.000 (mm) 80.000 (mm) 111.000 (mm) 2.000 (mm) 2.000 (mm) | Prefix Series Internal Clr. Tolerance | E NJ3 | Bearing with carburized rings NJ3 Cylindrical Series Normal radial clearance ISO class 0 |
| Basic Load Ratings | Limiting Speeds | ||||
|---|---|---|---|---|---|
| Static Dynamic | 32,000 (LBF) 31,000 (LBF) | 143,000 (N) 137,000 (N) | Oil Seals Grease | 6,300.00 (RPM) N/A 5,300.00 (RPM) | |
Operating temperature range
-40 to 250 F
Material
Hardened alloy steel
Radial internal clearance
CN
Bore type
Round
Limiting speed - oil
7000 RPM
Enclosure
Open
Limiting speed - grease
5900 RPM
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