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NNU4960BK/SPW33 super precision cylindrical cov menyuam bearing specification
| Lub npe | NNU-4960-BK/SPW33 | |
| Qeb | ||
| Cylindrical roller bearings, ob kab, super-precision | ||
| Qhov ntev | ||
| d (Txoj kab uas hla) | 300 hli | 11.811 Ib |
| D (Sab nraud txoj kab uas hla) | 420 hli | 16.535 Ib |
| B (dav) | 118 hli | 4, 646 ib |
| W (qhov hnyav) | 50 kg | 110 lbs |
| Technical Data | ||
| Cr (kN) Basic dynamic load ntsuam xyuas | 1020 | |
| C0r (kN) Basic static load rating | 2360 | |
| Fatigue load txwv (kN) | 224 | |
| Txaus siab rau roj lubrication (r / min) | 1800 | |
| Tau txais kev ceev rau roj-cua lubrication (r / min) | 2000 | |
| Kev siv roj ntau (cm3) | 420 | |
| Static Radial Stiffness (tus nqi qhia) (N / um) | 8050 | |
| Sab hauv tsim | B= Hloov kho sab hauv K=tapered bore 1:12 | |
| Lubrication | Annular zawj thiab peb lub qhov lubrication nyob rau hauv lub nplhaib sab nraud | |
| Precision | SP | |
NNU.4960.BK.SPW33 cylindrical cov menyuam bearing 300 * 420 * 118 mm
| Lub npe | Thawj qhov loj me | Basic load ntsuam xyuas | Ua tau nrawm | ||||
| dynamic | zoo li qub | Roj lubrication | Roj-cua lubrication | ||||
| d [mm] | D [mm] | B [mm] | C[kN] | C{{0} [kN] | [r/min] | [r/min] | |
| NNU 4956 B/SPW33 | 280 | 380 | 100 | 765 | 1 800 | 1 900 | 2 200 |
| NNU 4956 BK/SPW33 | 280 | 380 | 100 | 765 | 1 800 | 1 900 | 2 200 |
| NN 3060 K/SPW 33 | 300 | 460 | 118 | 1 250 | 2 400 | 1 700 | 1 900 |
| NNU 4960 B/SPW33 | 300 | 420 | 118 | 1 020 | 2 360 | 1 800 | 2 000 |
| NNU 4960 BK/SPW33 | 300 | 420 | 118 | 1 020 | 2 360 | 1 800 | 2 000 |
| NN 3064 K/SPW 33 | 320 | 480 | 121 | 1 320 | 2 600 | 1 600 | 1 800 |
| NNU 4964 B/SPW33 | 320 | 440 | 118 | 1 060 | 2 500 | 1 700 | 1 900 |
| NNU 4964 BK/SPW33 | 320 | 440 | 118 | 1 060 | 2 500 | 1 700 | 1 900 |
| NN 3068 K/SPW 33 | 340 | 520 | 133 | 1 650 | 3 250 | 1 400 | 1 500 |
Cim npe nrov:
