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) | ||
NK43/20 | NK43/20 | 38 | 53 | 20 | - | - | - | - | - |
NK35/20 | NK35/20 | 30 | 45 | 20 | - | - | - | - | - |
NK26/20 | NK26/20 | 22 | 34 | 20 | - | - | - | - | - |
NK43/30 | NK43/30 | 38 | 53 | 30 | - | - | - | - | - |
NK35/30 | NK35/30 | 30 | 45 | 30 | - | - | - | - | - |
NK28/20 | NK28/20 | 0 | 37 | 20 | - | - | - | - | - |
NK45/20 | NK45/20 | 40 | 55 | 20 | - | - | - | - | - |
NK37/20 | NK37/20 | 32 | 47 | 20 | - | - | - | - | - |
NK28/30 | NK28/30 | 0 | 37 | 30 | - | - | - | - | - |
NK45/30 | NK45/30 | 40 | 55 | 30 | - | - | - | - | - |
NK37/30 | NK37/30 | 32 | 47 | 30 | - | - | - | - | - |
NK29/20 | NK29/20 | 25 | 38 | 20 | - | - | - | - | - |
NK47/20 | NK47/20 | 42 | 57 | 20 | - | - | - | - | - |
NK38/20 | NK38/20 | 0 | 48 | 20 | - | - | - | - | - |
NK47/30 | NK47/30 | 42 | 57 | 30 | - | - | - | - | - |
NK5/10 | NK5/10 | 0 | 10 | 10 | - | - | - | - | - |
NK60/35 | NK60/35 | 55 | 72 | 35 | - | - | - | - | - |
NK5/12 | NK5/12 | 0 | 10 | 12 | - | - | - | - | - |
NK65/25 | NK65/25 | 0 | 78 | 25 | - | - | - | - | - |
NK50/25 | NK50/25 | 45 | 62 | 25 | - | - | - | - | - |