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NN3028-AS-K-M-SP
圓柱滾子軸承
Super precision cylindrical roller bearings NN30..-AS-K-M-SP, non-locating bearing, double row, with tapered bore, taper 1:12, separable, with cage
Replaces
NN3028ASK.M.SP, NN3028SK.M.SP
Product information
主要尺寸和性能資料
| d | 140 mm | 內徑 |
| D | 210 mm | 外徑 |
| B | 53 mm | 寬度 |
| Cr | 300,000 N | 基本額定動載荷, 徑向 |
| C0r | 520,000 N | 基本額定靜載荷，徑向 |
| Cur | 64,000 N | 疲勞極限載荷, 徑向 |
| nG Grease | 3,900 1/min | 脂潤滑極限轉速 |
| nG Oil | 4,600 1/min | 油潤滑極限轉速 |
| ≈m | 6.137 kg | Weight |
安裝尺寸
| da | 160 mm | Diameter shaft shoulder |
h12 | Diameter shaft shoulder tolerance | |
| Da | 196 mm | Diameter of housing shoulder |
H12 | 外圈遊隙擋肩直徑 | |
| ra1 max | 2 mm | 最大凹穴半徑 |
尺寸
| r1 min | 2 mm | 最小倒角尺寸 |
| E | 192 mm | 外圈滾道直徑 |
| ns | 9.5 mm | 潤滑溝槽寬度 |
| ds | 4.8 mm | 潤滑孔直徑 |
| s | 3.4 mm | 軸向位移 |
溫度範圍
| Tmin | -30 °C | 最低工作溫度 |
| Tmax | 150 °C | 最高工作溫度 |
Downloads:
Your current product variant
| 保持架 | M | 黃銅保持架 |
| 公差等級 | SP | 公差等級SP |
| 內孔類型 | K | 錐形, 錐度 1:12 |
| 更改標記 | A | 内部设计不同 A |
| 內部徑向遊隙 | C1 (Group 1) | Internal clearance smaller than C2 |
| 滾動體列數 | 2 | Double-row design |
Characteristics
