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In order to guarantee the function of a drylin® R linear plain bearing, it is necessary to use the bearings with a defined minimum excess (bearing clearance). The quality control of this item is done with a gage inspection. A certain force is defined to load the gage when the bearing is checked.
When using a bearing (e.g. JUM/RJM) in combination with an adapter/housing (e.g. RJUM, OJUM, RGA), the manufacturing tolerance of the housing bore adds up to the above-listed minimum clearance (Normal case: H7). The sum of the these two values then shows the maximum possible bearing tolerance. Bearing of the dimensional series "Japan-Std." (JUJ) is checked according to the same criteria of the JUM bearing.
| Order no. | Test force [lbs] | Øi-Test-mount | Min. bearing Øi (gage free) | Max. bearing Øi (gage hanging) |
|---|---|---|---|---|
| JUM-01/02-10 | 0.221 | 12.000 mm | 10.030 mm | 10.070 mm |
| JUM-01/02-12 | 0.309 | 14.000 mm | 12.030 mm | 12.070 mm |
| JUM-01/02-20 | 0.595 | 23.000 mm | 20.030 mm | 20.070 mm |
| JUM-01/02-25 | 0.838 | 28.000 mm | 25.030 mm | 25.070 mm |
| JUM-01/02-30 | 1.081 | 34.000 mm | 30.040 mm | 30.085 mm |
| JUM-01/02-40 | 1.588 | 44.000 mm | 40.040 mm | 40.085 mm |
| JUM-01/02-50 | 2.205 | 55.000 mm | 50.050 mm | 50.100 mm |
| JUI-01-06 | 0.221 | 0.4684 inch | 0.3768 inch | 0.3776 inch |
| JUI-01-08 | 0.309 | 0.5934 inch | 0.5016 inch | 0.5024 inch |
| JUI-01-10 | 0.419 | 0.7184 inch | 0.6268 inch | 0.6276 inch |
| JUI-01-12 | 0.595 | 0.8747 inch | 0.7516 inch | 0.7524 inch |
| JUI-01-16 | 0.838 | 1.1247 inch | 1.0016 inch | 1.0024 inch |
| JUI-01-20 | 1.081 | 1.4058 inch | 1.2520 inch | 1.2531 inch |
| JUI-01-24 | 1.588 | 1.6558 inch | 1.5020 inch | 1.5031 inch |
| JUI-01-32 | 2.205 | 2.1870 inch | 2.0024 inch | 2.0039 inch |
| RJM-01-08 | 0.221 | 16.000 mm | 8.025 mm | 8.061 mm |
| RJM-01-10 | 0.221 | 19.000 mm | 10.025 mm | 10.061 mm |
| RJM-01-12 | 0.309 | 22.000 mm | 12.032 mm | 12.075 mm |
| RJM-01-16 | 0.419 | 26.000 mm | 16.032 mm | 16.075 mm |
| RJM-01-20 | 0.595 | 32.000 mm | 20.040 mm | 20.092 mm |
| RJM-01-25 | 0.838 | 40.000 mm | 25.040 mm | 25.092 mm |
| RJM-01-30 | 1.081 | 47.000 mm | 30.040 mm | 30.092 mm |
| RJM-01-40 | 1.588 | 62.000 mm | 40.050 mm | 40.112 mm |
| RJM-01-50 | 2.205 | 75.000 mm | 50.050 mm | 50.112 mm |
| RJI-01-06 | 0.221 | 0.6250 inch | 0.3762 inch | 0.3776 inch |
| RJI-01-08 | 0.309 | 0.8750 inch | 0.5013 inch | 0.5030 inch |
| RJI-01-10 | 0.419 | 1.1250 inch | 0.6265 inch | 0.6282 inch |
| RJI-01-12 | 0.595 | 1.2500 inch | 0.7516 inch | 0.7536 inch |
| RJI-01-16 | 0.838 | 1.5625 inch | 1.0035 inch | 1.0056 inch |
| RJI-01-20 | 1.081 | 2.0000 inch | 1.2520 inch | 1.2544 inch |
| RJI-01-24 | 1.588 | 2.3750 inch | 1.5020 inch | 1.5044 inch |
| RJI-01-32 | 2.205 | 3.0000 inch | 2.0024 inch | 2.0053 inch |