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英制四列圓錐滾子軸承(d 244．475-300)
徑向當量動載荷
當Fa／Fr≤e Pr=Fr+YlFa
當Fa／Fr>e Pr=0．67Fr+Y2F
徑向當量靜載荷
P0r=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 | |
| 244.475 | 381 | 304.8 | 304.8 | 3.3 | 4.8 | 2970 | 6700 | 130 | IFTB0019 | 0.52 | 1.3 | 1.9 | 1.3 | BT48328690／HAl | |
| 245 | 380 | 254 | 255.5 | 1.5 | 4 | 2640 | 5600 | 105 | IFTB0020 | 0.44 | 1.5 | 2.3 | 1.4 | 331398 | |
| 247.65 | 400.05 | 253.995 | 249.235 | 1.5 | 6.4 | 2920 | 6300 | 120 | IFTB0021 | 0.4 | 1.7 | 2.5 | 1.6 | 614096B | |
| 254 | 358.775 | 269.875 | 269.875 | 1.5 | 3.3 | 2860 | 7100 | 88 | IFTB0022 | 0.33 | 2 | 3 | 2 | 331275A | 100TQ0459CDl598 |
| 260 | 440 | 198.5 | 28.5 | 2.5 | 5 | 3910 | 7350 | 190 | IFTB0023 | 0.54 | 1.25 | 1.8 | 1.3 | BT48328551／HAl | |
| 260.35 | 422.275 | 317.5 | 314.325 | 6.4 | 3.3 | 4130 | 8000 | 180 | IFTTB0024 | 0.33 | 2 | 3 | 2 | BT48331487G／ttAl | l02TQ0479BD266 |
| 266.7 | 355.6 | 228.6 | 230.188 | 1.5 | 3.3 | 2050 | 5600 | 63.5 | IFTB0025 | 0.37 | 1.8 | 2.7 | 1.8 | 3308228 | 105TQ048, 8BAl526 |
| 269.875 | 381 | 282.575 | 282.575 | 3.3 | 3.3 | 3080 | 7500 | 105 | IFTB0026 | 0.33 | 2 | 3 | 2 | BT48331168B | |
| 276.225 | 393.7 | 269.875 | 269.878 | 1.5 | 6.4 | 2970 | 6400 | 100 | IFTB0097 | 0.4 | 1.7 | 2.5 | 1.6 | 331288 | |
| 279.4 | 381 | 269.875 | 269.875 | 1.5 | 3.3 | 2920 | 7500 | 91 | IFTB0028 | 0.35 | 1.9 | 2.9 | 1.8 | BT48328293／HAl | |
| 279.4 | 393.7 | 269.875 | 269.875 | 1.5 | 6.4 | 3030 | 7100 | 102 | IFTB0029 | 0.37 | 1.8 | 2.7 | 1.8 | BT48332390／HAl | |
| 279.578 | 380.898 | 244.475 | 244.475 | 1.5 | 3.3 | 2290 | 6400 | 86 | IFTB0030 | 0.43 | 1.6 | 2.3 | 1.6 | 330540A | |
| 280 | 380 | 290 | 290 | 1 | 2.5 | 3030 | 8000 | 95 | IFTB0031 | 0.28 | 2.4 | 3.6 | 2.5 | BT4832861 | 3G／HAl |
| 280 | 395 | 288 | 288 | 2.5 | 4 | 3470 | 8300 | 110 | IFTB0032 | 0.28 | 2.4 | 3.6 | 2.5 | BT48328807／HAl | |
| 280 | 420 | 250 | 250 | 2 | 5 | 3190 | 6550 | 115 | IFTB0033 | 0.35 | 1.9 | 2.9 | 1.8 | BT48328664／HAl | |
| 280 | 460 | 324 | 324 | 6 | 6 | 4680 | 9300 | 215 | IFTB0034 | 0.35 | 1.9 | 2.9 | 1.8 | BT4833244lG／HAl | |
| 285.75 | 380.898 | 244.475 | 244.475 | 1.5 | 3.3 | 2290 | 6400 | 8l | IFTB0035 | 0.43 | 1.6 | 2.3 | 1.6 | 330337A | 112TQ09546AAl254 |
| 292.1 | 422.275 | 269.875 | 269.875 | 6.4 | 3.3 | 3520 | 8000 | 125 | IFTB0036 | 0.31 | 2.2 | 3.3 | 2.2 | 331968 | 115TQ0514BB351 |
| 300 | 440 | 249.4 | 280.988 | 3.3 | 4.8 | 3190 | 7800 | 145 | IFTB0037 | 0.43 | 1.6 | 2.3 | 1.6 | BT48328 | 725G／HAl |
更新時間：2013/9/12