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) | ||
NKI22/20 | NKI22/20 | 22 | 34 | 20 | - | - | - | - | - |
NK9/12 | NK9/12 | 9 | 16 | 12 | - | - | - | - | - |
NKI12/16 | NKI12/16 | 12 | 24 | 16 | - | - | - | - | - |
NKI25/20 | NKI25/20 | 25 | 38 | 20 | - | - | - | - | - |
NKI25/30 | NKI25/30 | 25 | 38 | 30 | - | - | - | - | - |
NKI38/30 | NKI38/30 | 38 | 53 | 30 | - | - | - | - | - |
NKI28/20 | NKI28/20 | 28 | 42 | 20 | - | - | - | - | - |
NKI40/20 | NKI40/20 | 40 | 55 | 20 | - | - | - | - | - |
NKI28/30 | NKI28/30 | 28 | 42 | 30 | - | - | - | - | - |
NKI40/30 | NKI40/30 | 40 | 55 | 30 | - | - | - | - | - |
NKI30/20 | NKI30/20 | 30 | 45 | 20 | - | - | - | - | - |
NKI42/20 | NKI42/20 | 42 | 57 | 20 | - | - | - | - | - |
NKI30/30 | NKI30/30 | 30 | 45 | 30 | - | - | - | - | - |
NKI42/30 | NKI42/30 | 42 | 57 | 30 | - | - | - | - | - |
NKI32/20 | NKI32/20 | 32 | 47 | 20 | - | - | - | - | - |
NKI45/25 | NKI45/25 | 45 | 62 | 25 | - | - | - | - | - |
NKI32/30 | NKI32/30 | 32 | 47 | 30 | - | - | - | - | - |
NKI45/35 | NKI45/35 | 45 | 62 | 35 | - | - | - | - | - |
NKI35/20 | NKI35/20 | 35 | 50 | 20 | - | - | - | - | - |
NKI5/12 | NKI5/12 | 5 | 15 | 12 | - | - | - | - | - |