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) | ||
BK2012 | 35941/20 | 20 | 26 | 12 | - | - | - | - | - |
BK2016 | 55941/20 | 20 | 26 | 16 | - | - | - | - | - |
BK3020 | 65941/30 | 30 | 37 | 20 | - | - | - | - | - |
BK2212 | 35941/22 | 22 | 28 | 12 | - | - | - | - | - |
BK3512 | 25941/35 | 35 | 42 | 12 | - | - | - | - | - |
BK2216 | 55941/22 | 22 | 28 | 16 | - | - | - | - | - |
BK3520 | 65941/35 | 35 | 42 | 20 | - | - | - | - | - |
BK2512 | 25941/25 | 25 | 32 | 12 | - | - | - | - | - |
BK4012 | 25941/40 | 40 | 47 | 12 | - | - | - | - | - |
BK2516 | 45941/25 | 25 | 32 | 16 | - | - | - | - | - |
BK4020 | 65941/40 | 40 | 47 | 20 | - | - | - | - | - |
BK2520 | 65941/25 | 25 | 32 | 20 | - | - | - | - | - |
BK4520 | 65941/45 | 45 | 52 | 20 | - | - | - | - | - |
BK2816 | 45941/28 | 28 | 35 | 16 | - | - | - | - | - |
BK5020 | 55941/50 | 50 | 58 | 20 | - | - | - | - | - |
BK2820 | 65941/28 | 28 | 35 | 20 | - | - | - | - | - |
BK5520 | 55941/55 | 55 | 63 | 20 | - | - | - | - | - |
BK3012 | 25941/30 | 30 | 37 | 12 | - | - | - | - | - |
BK6020 | 55941/60 | 60 | 68 | 20 | - | - | - | - | - |
BK3016 | 45941/30 | 30 | 37 | 16 | - | - | - | - | - |