Due to the uniform circumferential arrangement of ball circuits in linear bearings, the load rating of the bearing is affected by the position where the load is applied. The rated load value indicated in the product specifications is measured under the condition where the load is directly aligned with a single ball circuit. If the load is evenly distributed between two ball tracks, the rated load capacity of the bearing will increase. Please refer to the table below for the detailed relationship between the rated load and the number of ball circuits.
| Row position Load ratio | Number of rows | ||||
|---|---|---|---|---|---|
| 3 | 4 | 5 | 6 | 8 | |
| Row position |  |
 |
 |
 |
 |
| Row position |  |
 |
 |
 |
 |
| Load ratio | Q0/Q1=1 | Q0/Q1=1.414 | Q0/Q1=1.414 | Q0/Q1=1.414 | Q0/Q1=1.414 |
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