圓頭型襯墊式 PB 型桿端軸承，結構緊湊、圓頭設計運作靈活，內置襯墊兼具減震與耐磨特性，安裝簡易。適用於輕載擺動與鉸接場合，運轉平穩可靠。
| 型號 | 主要尺寸（mm） | 容許倾斜角α2(°) | 動負荷 容量 Cd (kN) |
靜負荷 容量Cs(kN) |
重量(g) | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| d | D | B | B1 | d1 | rsmin(1) | E | α1 | α2 | ||||
| PB30 | 30 | 66 | 25 | 37 | 34.8 | 0.3 | 50.8 | 10 | 17 | 62.5 | 150 | 610 |
| PB28 | 28 | 62 | 25 | 35 | 32.3 | 0.3 | 47.625 | 9 | 15 | 58.5 | 140 | 410 |
| PB25 | 25 | 56 | 22 | 31 | 29.6 | OK3 | 42.863 | 9 | 15 | 46 | 110 | 390 |
| PB22 | 22 | 50 | 20 | 28 | 25.8 | 0.3 | 38.1 | 10 | 15 | 37.5 | 89.5 | 265 |
| PB20 | 20 | 46 | 18 | 25 | 24.4 | 0.3 | 34.925 | 9 | 15 | 31 | 74 | 210 |
| PB18 | 18 | 42 | 16.5 | 23 | 21.9 | 0.3 | 31.75 | 9 | 15 | 25.5 | 61.6 | 160 |
| PB16 | 16 | 38 | 15 | 21 | 19.4 | 0.3 | 28.575 | 9 | 15 | 21 | 50.4 | 111 |
| PB14 | 14 | 34 | 13.5 | 19 | 16.9 | 0.3 | 25.4 | 10 | 16 | 17 | 40.4 | 84 |
| PB12 | 12 | 30 | 12 | 16 | 15.4 | 0.3 | 22.225 | 8 | 13 | 13 | 31.4 | 58 |
| PB10 | 10 | 26 | 10.5 | 14 | 12.9 | 0.3 | 19.05 | 8 | 14 | 9.8 | 23.5 | 39 |
| PB 8 | 8 | 22 | 9 | 12 | 10.4 | 0.3 | 15.875 | 8 | 14 | 7 | 16.8 | 24 |
| PB 6 | 6 | 18 | 6.75 | 9 | 9 | 0.3 | 12.7 | 8 | 13 | 4.2 | 10.1 | 13 |
| PB 5 | 5 | 16 | 6 | 8 | 7.7 | 0.3 | 11.112 | 8 | 13 | 3.25 | 7.85 | 8.5 |