NTN
Wälzlager 81128
Lager NTN 81128, Ø140×180×31 mm. Angebot anfordern — weltweiter Versand.
Typ Wälzlager
Abmessungen
Ø 140 × 180 × 31 mm
d140Ø Bohrung (mm)
×
D180Ø außen (mm)
×
B31Breite (mm)
Angebot anfordern
Auf Lager
Technische Daten
| Brand | NTN |
| d - Bore diameter of support washer IR - WS | 140 mm |
| D - Outside diameter of support washer OR - GS | 180 mm |
| d1 - External diameter of support washer IR - WS | 178 mm |
| D1 - Bore diameter bearing washer OR - GS | 142 mm |
| T - Thrust bearing height | 31 mm |
| Dw - Rolling element diameter | 12 mm |
| Dc1 - Roller cage bore diameter | 140 mm |
| Dc - Roller cage outer diameter | 180 mm |
| rs - Min fillet radius | 1 mm |
| Cage assembly reference | K81128 |
| Bearing ring (inner ring) WS | WS81128 |
| Bearing ring (outer ring) GS | GS81128 |
| Ea - Rollers reference outer diameter | 172,5 mm |
| Eb - Rollers reference inner diameter | 147,8 mm |
| Mass | 1,95 kg |
| Cage assembly mass | 0,45 kg |
| Bearing ring (inner ring) WS mass | 0,75 kg |
| Bearing ring (outer ring) GS mass | 0,75 kg |
| Ca - Dynamic axial load rating | 206000000 mN |
| C0a - Static axial load rating | 815000000 mN |
| Cua - Limit axial load rating | 86000000 mN |
| N lim - Grease lubrication limit speed | 2280 °/s |
| N lim - Oil lubrication limit speed | 9000 °/s |
| Tmin - Min operating temperature | 253,15 °K |
| Tmax - Max operating temperature | 393,15 °K |
| da min - Min shoulder diameter IR | 172 mm |
| Db max - Max OR shoulder diameter | 147 mm |
| ras max - Max shaft & housing fillet radius | 1 mm |
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NTN 81128