| d F7 | d1 m6 | L -0.10 -0.30 |
| 8 | 10 | 12 | 15 | 16 | 20 | 25 | 30 | 35 | 40 | 50 | 60 | 70 | 80 |
| 8 | 0.028 0.013 | 12 | 0.018 0.007 | ● | ● | ● | ● | | | | | | | | | | |
| 10 | 14 | ● | ● | ● | ● | | ● | | | | | | | | |
| 12 | 0.034 0.016 | 18 | | ● | ● | ● | ● | ● | ● | ● | | | | | | |
| 13 | 19 | 0.021 0.008 | | ● | | ● | ● | | | | | | | | | |
| 14 | 20 | | ● | ● | ● | | ● | ● | ● | | | | | | |
| 15 | 21 | | ● | ● | ● | ● | ● | ● | ● | | | | | | |
| 16 | | 22 | | ● | ● | ● | ● | ● | ● | ● | ● | ● | | | | |
| 18 | 24 | | | ● | ● | ● | ● | ● | ● | ● | ● | | | | |
| 20 | 0.041 0.020 | 28 | | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | | | |
| 22 | 32 | 0.025 0.009 | | | ● | ● | | ● | ● | | | | | | | |
| 25 | 33 | | | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | | |
| 30 | 38 | | | ● | ● | | ● | ● | ● | ● | ● | ● | ● | | |
| 35 | 0.050 0.025 | 45 | | | | | | ● | ● | ● | ● | ● | ● | ● | | |
| 40 | 50 | | | | | | ● | ● | ● | ● | ● | ● | ● | ● | ● |
| 45 | 55 | 0.030 0.011 | | | | | | | | ● | ● | ● | ● | ● | | |
| 50 | 60 | | | | | | | | ● | ● | ● | ● | ● | ● | ● |
Is táirge athneartaithe den tsraith JDB é JDB-5. Tá sé bunaithe ar chruach GCr15 agus leabaithe le lubricant soladach. Tá neart comhbhrúite ard aige agus tá sé thar a bheith oiriúnach do shuíomhanna tacaíochta i meaisíní óstála, m.sh. Tacaíocht nó seastán an ghloine gaoithe agus na craein. Mar sin féin, níor cheart é a chur i bhfeidhm in uisce nó i gcúinsí aigéadacha/alcaile. Is féidir é a úsáid faoi ualaí íseal, lár, agus ard. Mar gheall ar a chruas ard iontach, agus é faoi ualach ard, sáraíonn sé cineálacha eile JDB. Níl sé oiriúnach do chúinsí uisce, aigéad, nó alcaile. Is oiriúnaí do shuíomh tacaíochta meaisín ardaithe, m.sh. tacadóir ollscartaire, tacadóir ardaitheora, tacadóir meaisín spólála, etc.
Sonraí Teicniúla
| Innéacs feidhmíochta | Sonraí |
| Cruas Bass | HRC58-60 | Teorainn PV | 2.5N/mm2.m/s |
| Cófra frithchuimilte (μ) | <0.17 | Teorainn ualaigh dinimiciúil | 250N/mm2 |
| Teorainn teochta | 350°C | Teorainn luais | 0.1m/s |
| Cód | Gcr15 | Is féidir ábhair a tháirgeadh de réir sonraíochtaí an chustaiméara. |