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) | ||
NK16/20 | NK16/20 | 12 | 24 | 20 | - | - | - | - | - |
NK21/20 | NK21/20 | 17 | 29 | 20 | - | - | - | - | - |
NK17/16 | NK17/16 | 0 | 25 | 16 | - | - | - | - | - |
NK22/16 | NK22/16 | 0 | 30 | 16 | - | - | - | - | - |
NK22/20 | NK22/20 | 0 | 30 | 20 | - | - | - | - | - |
NK29/30 | NK29/30 | 25 | 38 | 30 | - | - | - | - | - |
NK38/30 | NK38/30 | 0 | 48 | 30 | - | - | - | - | - |
NK24/16 | NK24/16 | 20 | 32 | 16 | - | - | - | - | - |
NK40/20 | NK40/20 | 35 | 50 | 20 | - | - | - | - | - |
NK30/20 | NK30/20 | 30 | 40 | 20 | - | - | - | - | - |
NK24/20 | NK24/20 | 20 | 32 | 20 | - | - | - | - | - |
NK40/30 | NK40/30 | 35 | 50 | 30 | - | - | - | - | - |
NK30/30 | NK30/30 | 0 | 40 | 30 | - | - | - | - | - |
NK25/16 | NK25/16 | 0 | 33 | 16 | - | - | - | - | - |
NK42/20 | NK42/20 | 0 | 52 | 20 | - | - | - | - | - |
NK32/20 | NK32/20 | 28 | 42 | 20 | - | - | - | - | - |
NK25/20 | NK25/20 | 0 | 33 | 20 | - | - | - | - | - |
NK42/30 | NK42/30 | 0 | 52 | 30 | - | - | - | - | - |
NK32/30 | NK32/30 | 28 | 42 | 30 | - | - | - | - | - |
NK26/16 | NK26/16 | 22 | 34 | 16 | - | - | - | - | - |