3311 DNRCBM
Precision ball bearing > Double row angular contact ball bearing
3311 DNRCBM - Precision ball bearing - Double row angular contact ball bearing
| Product model | 3311 DNRCBM |
|---|---|
| d | 55 mm |
| D | 120 mm |
| B | 49.2 mm |
| Limiting speed | 5300 r/min |
| Reference speed | 6000 r/min |
| 组合式内圈的肩部直径(d1) | ≈81.55mm |
| 外圈肩部直径(D1) | ≈105.43mm |
| 外圈止动环槽的直径(D3) | 115.2mm |
| 止动环外径(D4) | 129.7mm |
| 外圈侧面-止动环槽的距离(C) | 4.9mm |
| 外圈止动环槽宽度(b) | 3.1mm |
| 止动环宽度(f) | 2.82mm |
| 止动环槽底部半径(r0) | max.0.6mm |
| 组合式内圈的倒角尺寸(r1,2) | min.2mm |
| Distance from load point (a) | 97mm |
| da | min.66mm |
| ra | max.2mm |
| Pu | 3.55kN |
| kr | 0.095 |
| Calculation coefficient (e) | 1.14 |
| Calculation coefficient (X) | 0.57 |
| Y0 | 0.52 |
| Y1 | 0.55 |
| Y2 | 0.93 |
| Mass bearing | 2.55kg |
Product Details
The 3311 DNRCBM is part of the Double row angular contact ball bearing series within our Precision ball bearing range. It is engineered for high-performance industrial use and delivers reliable operation under demanding working conditions.
Typical applications include: electric motors, pumps, gearboxes, agricultural machinery and automotive systems. For detailed dimensions and load ratings, please refer to the specification table above. Contact FIJ for bulk pricing, technical support or customized solutions.
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3311 DNRCBM / Double row angular contact ball bearing / Precision ball bearing