Rolamento de agulha, rolamento axial de rolos cilíndricos, série 893
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Product information
| CARACTERÍSTICAS TÉCNICAS | |
|---|---|
| Marca | NTN |
| d - Bore diameter of support washer IR - WS | 45 mm |
| D - Outside diameter of support washer OR - GS | 85 mm |
| d1 - External diameter of support washer IR - WS | 85 mm |
| D1 - Bore diameter bearing washer OR - GS | 47 mm |
| T - Thrust bearing height | 24 mm |
| Dw - Rolling element diameter | 7,5 mm |
| Dc1 - Roller cage bore diameter | 45 mm |
| Dc - Roller cage outer diameter | 85 mm |
| rs - Min fillet radius | 1 mm |
| Cage assembly reference | K89309 |
| Bearing ring (inner ring) WS | WS89309 |
| Bearing ring (outer ring) GS | GS89309 |
| Ea - Rollers reference outer diameter | 81,3 mm |
| Eb - Rollers reference inner diameter | 50,9 mm |
| Peso | 0,67 kg |
| Cage assembly mass | 0,14 kg |
| Bearing ring (inner ring) WS mass | 0,27 kg |
| Bearing ring (outer ring) GS mass | 0,27 kg |
| DESEMPENHO | |
|---|---|
| Ca - Dynamic axial load rating | 102 kN |
| C0a - Static axial load rating | 345 kN |
| Cua - Limit axial load rating | 42 kN |
| N lim - Grease lubrication limit speed | 900 tr/min |
| N lim - Oil lubrication limit speed | 3600 tr/min |
| Tmin - Temperatura mín de operação | -20 °C |
| Tmax - Temperatura máx de operação | 120 °C |
| RECOMENDACOES DE BARREIRA | |
|---|---|
| da min - Min shoulder diameter IR | 81 mm |
| Db max - Max OR shoulder diameter | 51 mm |
| ras max - Max shaft & housing fillet radius | 1 mm |