是帶圓柱滾子的滾輪軸承,相對其直徑,滾子既細又長。 這種滾子稱為滾針。 儘管具有較小的截面,軸承仍具有較高的負荷承受能力,滾針軸承裝有細而長的滾子(滾子直徑D≤5mm,L/D≥2.5,L為滾子長度),因此 徑向結構緊湊,其內徑尺寸和負載能力與其它類型軸承相同時,外徑最小,特別適用於徑向安裝尺寸受限的支承結構。
型號 | 舊型號 | 外形尺寸(mm) | 額定載重(N) | 轉速min-1 | 重量(kg) | ||||
---|---|---|---|---|---|---|---|---|---|
d | D | B | Cr | Cor | 脂潤滑 | 油潤滑 | (參考) | ||
NK65/35 | NK65/35 | 0 | 78 | 35 | - | - | - | - | - |
NK50/35 | NK50/35 | 45 | 62 | 35 | - | - | - | - | - |
NK68/25 | NK68/25 | 60 | 82 | 25 | - | - | - | - | - |
NK55/25 | NK55/25 | 50 | 68 | 25 | - | - | - | - | - |
NK68/35 | NK68/35 | 60 | 82 | 35 | - | - | - | - | - |
NK55/35 | NK55/35 | 50 | 68 | 35 | - | - | - | - | - |
NK7/10 | NK7/10 | 0 | 14 | 10 | - | - | - | - | - |
NK6/10 | NK6/10 | 0 | 12 | 10 | - | - | - | - | - |
NK7/12 | NK7/12 | 0 | 14 | 12 | - | - | - | - | - |
NK6/12 | NK6/12 | 0 | 12 | 12 | - | - | - | - | - |
NK70/25 | NK70/25 | 0 | 85 | 25 | - | - | - | - | - |
NK60/25 | NK60/25 | 55 | 72 | 25 | - | - | - | - | - |
NK70/35 | NK70/35 | 0 | 85 | 35 | - | - | - | - | - |
NK73/25 | NK73/25 | 65 | 90 | 25 | - | - | - | - | - |
NK73/35 | NK73/35 | 65 | 90 | 35 | - | - | - | - | - |
NK9/16 | NK9/16 | 9 | 16 | 16 | - | - | - | - | - |
NKI12/20 | NKI12/20 | 12 | 24 | 20 | - | - | - | - | - |
NK75/25 | NK75/25 | 0 | 92 | 25 | - | - | - | - | - |
NK90/25 | NK90/25 | 80 | 110 | 25 | - | - | - | - | - |
NKI15/16 | NKI15/16 | 15 | 27 | 16 | - | - | - | - | - |