産品(pǐn)圖紙


| 尺寸mm | |
|---|---|
| d | 240 |
| D | 440 |
| B | 72 |
| r min | 4 |
| r 1 min | 4 |
| s 1) | 6 |
| E | 393 |
| F | 293 |
| D 1 ≈ | 376.6 |
| d 1 ≈ | 312 |
| B 1 | - |
| B 2 | - |
| B3 | - |
| 安裝(zhuang)尺寸mm | |
| d a min 2) | 257 |
| d a max | 290 |
| d c min | 315 |
| D a max 2) | 423 |
| r a max | 3 |
| 基本額(é)定載荷N | |
| 動載(zǎi)荷 C r | 1140000 |
| 靜載荷 C or | 1600000 |
| 型(xing)号 | |
| 軸承 | NJ248-E-M1 |
| L形斜(xie)擋圈 | - |
| 極限轉(zhuǎn)速 n G /min –1 | |
| 極限轉速(su) n G /min –1 | 2600 |
| 參考轉速 n B /min –1 | |
| 參(can)考轉速 n B /min –1 | 1240 |
| 質量(liang) m | |
| 軸承 ≈kg | 52.5 |
| L形斜擋(dǎng)圈 ≈kg | - |
| 疲勞極限(xian)載荷 C ur /N | |
| 疲勞極(jí)限載荷 C ur /N | 163000 |