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Bearing damage on the state, such as: angular contact ball bearing rings, ribs cards injury, may be considered as a reason for lack of lubricant, not suitable for oil discharge structure defects, the intrusion of foreign bodies, bearing misalignment, shaft deflection is too large, there will be overlap of these reasons.
Therefore, only the investigation bearing damage, injury is difficult to know the real reason. However, if you know the bearing using mechanical, conditions of use, bearing the surrounding structure, to understand the situation before and after the accident, combined with state of the bearing damage, and several reasons, we can prevent similar incidents from recurring.
Bearings are available to judge, mainly on account of bearing damage, mechanical properties, importance, operating conditions, to be determined during the next overhaul. If you can not use the following defects must be replaced with new angular contact ball bearings. The inner ring, outer ring, rolling elements, cage on any cracks or gaps.
Bearing repair, maintenance, in order to ensure operational reliability, increase productivity, economy, in order to prevent accidents in the first place, to ensure the reliability, increased productivity, economy, ensuring good conditions for long-term self-aligning roller bearings to keep the original some performance.
Bearing Cleaning: frequent use gasoline, kerosene as an ordinary detergent. Dismantled bearing overhaul, the first recorded appearance of the bearing, confirm, start a wash bearing residual lubricants, lubricating oil sampling amount. Coarse and fine cleaning, cleaning cleaning point, respectively, in the container, first put the net metallic bottom, so there is no direct contact with the container bearing the dirt
| Product Model | Inside Diameter | Outside Diameter | Thickness |
| 7212ADB NSK | 60 | 110 | 22 |
| 7012CDB NSK | 60 | 95 | 18 |