| d | 20 mm | 内径 |
|---|---|---|
| D | 42 mm | 外径 |
| B | 30 mm | 宽度 |
| C | 29 mm | Outer ring width (sealed bearing) |
| d1 | ≈ 30.6 mm | 内圈肩径 |
| D3 | 40.2 mm | Snap ring groove diameter at outer ring |
| C1 | 24.7 mm | Distance between two snap ring grooves of the outer ring outside surface |
+ 0.2 mm | Tolerance for distance C1 | |
| C2 | 2.15 mm | Distance outer ring side face - snap ring groove (sealed bearing) |
| b | 1.8 mm | 宽度 snap ring groove outer ring |
| b1 | 6.5 mm | 外圈环形润滑槽宽度 |
| K | 3.5 mm | 直径润滑孔（外圈） |
| r | min. 0.5 mm | 倒角尺寸 (sealed bearing) |
| r3,4 | min. 0.3 mm | 倒角尺寸 |
| da | min. 24 mm | 轴的支承直径 |
|---|---|---|
| das | 28.8 mm | 轴的支承直径 |
| Ca1 | 21.5 mm | Abutment width applying for SW snap rings (sealed brg.) |
– 0.2 mm | Tolerance for abutment Ca (SW snap rings) | |
| Ca2 | 21 mm | Abutment width applying for DIN 471 snap rings (sealed brg.) |
– 0.2 mm | Tolerance for abutment Ca (DIN 471 snap rings) | |
| ra | max. 0.3 mm | 圆角半径 |
| 基本额定动载荷 | C | 45.7 kN |
|---|---|---|
| 基本额定静载荷 | C0 | 55 kN |
| 疲劳载荷极限 | Pu | 5.7 kN |
| 极限速度 | 3 400 r/min | |
| 最小载荷系数 | kr | 0.4 |
| Snap ring Seeger | SW 42 |
| Snap ring in accordance with DIN 471 | 42x1.75 |
一般轴承规格
轴承接口
