NNCF 4976 CV
Precision cylindrical roller bearing > Double row full loaded cylindrical roller bearing
NNCF 4976 CV - Double row full loaded cylindrical roller bearing - Precision cylindrical roller bearing
| Product model | NNCF 4976 CV |
|---|---|
| d | 380 mm |
| D | 520 mm |
| B | 140 mm |
| Limiting speed | 630 r/min |
| Reference speed | 500 r/min |
| d1 | ≈430mm |
| D1 | ≈469mm |
| 润滑孔直径（外圈）(K) | 5mm |
| 正常位置轴承套圈相对于其他套圈许可轴向位移(s) | max.7mm |
| 倒角尺寸 （开型轴承）(r1,2) | min.4mm |
| Chamfer dimension (r3,4) | min.4mm |
| 轴挡肩直径(da)min. | min.398mm |
| 轴挡肩直径(das) | 414mm |
| 轴承座挡肩尺寸(Da) | max.502mm |
| 倒角半径(ra) | max.3mm |
| 倒角半径(rb) | max.3mm |
| Fatigue load limit(Pu) | 500kN |
| 计算系数(kr) | 0.25 |
| Weight轴承 | 91.5kg |
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NNCF 4976 CV / Double row full loaded cylindrical roller bearing / Precision cylindrical roller bearing