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英制四列圓錐滾子軸承(d 300-355)
徑向當量動載荷
當Fa／Fr≤e Pr=Fr+Y1Fa
當Fa／Fr>e Pr=0．67Fr+Y2Fa
徑向當量靜載荷
Por=Fr+YoFa
| 外形尺寸 | 基本載荷（KN） | 重量（kg） | 軸承型號 | 計算參數 | 參考軸承型號 | ||||||||||
| d | D | T | B | r1.2min | r3.4min | 動 | 靜 | 參考 | e | Y1 | Y2 | Y0 | SKF | TOIlRINGTON | |
| 300 | 460 | 388.5 | 388.5 | 5 | 5 | 5390 | 12500 | 240 | IFTB0038 | 0.33 | 2 | 3 | 2 | BT48332472 | |
| 300．O38 | 422.275 | 311.15 | 311.15 | 3.3 | 3.3 | 3800 | 9500 | 140 | IFTB0039 | 0.33 | 2 | 3 | 2 | 331287 | 118TQ0518AAll59 |
| 304.648 | 438．O48 | 279.4 | 280.99 | 3.3 | 4.8 | 3470 | 8000 | 135 | IFTB0040 | 0.48 | 1.4 | 2.1 | 1.4 | 331492 | 120TQ09532ABl293 |
| 304.8 | 419.1 | 269.875 | 269.875 | 1.5 | 6.4 | 3360 | 8150 | 110 | IFTB0041 | 0.33 | 2 | 3 | 2 | BY48331687／HAl | l20TQ0530ItDl503 |
| 304.8 | 482.6 | 377.825 | 365.125 | 3.3 | 3.3 | 5010 | 10400 | 265 | IFTB0042 | 0.35 | 1.9 | 2.9 | 1.8 | 330693C | |
| 304.902 | 412.648 | 266.7 | 266.7 | 3.3 | 3.3 | 3080 | 8000 | 105 | IFTB0043 | 0.31 | 2.2 | 3.3 | 2.2 | 330758A | 120TQ0530GBl506 |
| 317.5 | 422.275 | 269.875 | 269.875 | 1.5 | 3.3 | 3080 | 8150 | 105 | IFTB0044 | 0.31 | 2.2 | 3.3 | 2.2 | 330870A | 125TQ09555AAl254 |
| 317.5 | 438.15 | 276.225 | 276.225 | 1.5 | 3.3 | 3520 | 8300 | 125 | IFTB0045 | 0.43 | 1.6 | 2.3 | 1.6 | BT48334020G／HA4 | 125TQ09506AAl254 |
| 317.5 | 447.675 | 327.025 | 327.025 | 3.3 | 3.3 | 4400 | 10800 | 165 | IFTB0046 | 0.33 | 2 | 3 | 2 | BT48331161AG／HAl | l25T00556AA957 |
| 330.2 | 444.5 | 301.625 | 301.625 | 3.3 | 3.3 | 3690 | 9650 | 135 | IFTB0047 | 0.33 | 2 | 3 | 2 | BT48332647G／HAl | |
| 330.302 | 438.023 | 342.9 | 342.9 | 3.3 | 3.3 | 2600 | 7350 | 110 | IFTB0048 | 0.46 | 1.5 | 2.2 | 1.4 | 331664 | 130TQ0562BAl250 |
| 333.375 | 469.9 | 342.9 | 342.9 | 3.3 | 3.3 | 4570 | 11400 | 190 | IFTB0049 | 0.33 | 2 | 3 | 2 | 331381 | 13lTQ0582AA712 |
| 340 | 520 | 323.5 | 323.5 | 1.5 | 5 | 5230 | 10400 | 245 | IFTB0050 | 0.3 | 2.3 | 3.4 | 2.2 | BT48332963／HAl | |
| 342.9 | 571.5 | 342.9 | 342.54 | 3.3 | 6.4 | 6270 | 11600 | 365 | IFTB005l | 0.33 | 2 | 3 | 2 | BT48331553／HAl | |
| 343．O52 | 457．O98 | 254 | 254 | 1.5 | 3.3 | 2810 | 6800 | 110 | IFTB0052 | 0.48 | 1.4 | 2.1 | 1.4 | 330661C | 135TQ0595AAl287 |
| 346．O75 | 488.95 | 358.775 | 358.775 | 3.3 | 3.3 | 4950 | 12500 | 220 | IFTB0053 | 0.33 | 2 | 3 | 2 | 331228 | 136T00587AAl288 |
| 347.662 | 469.9 | 260.35 | 260.35 | 1.5 | 3.3 | 3800 | 10200 | 130 | IFTB0054 | 0.33 | 2 | 3 | 2 | BT48331077AG／HAl | U一2517一B |
| 347.662 | 469.9 | 292.1 | 292.1 | 3.3 | 3.3 | 3800 | 10200 | 150 | IFTB0055 | 0.33 | 2 | 3 | 2 | 331092A | 136TQ09593AAl60l |
| 355 | 490 | 316 | 316 | 1.5 | 3.3 | 4130 | 11000 | 185 | IFTB0056 | 0.33 | 2 | 3 | 2 | 331508 | |
更新時間：2013/9/12