| Items |
 IR-506032 Inner Ring (IR) |
IR-526032 Inner Ring (IR) |
IR-526432 Inner Ring (IR) |
IR-546432 Inner Ring (IR) |
IR-566432 Inner Ring (IR) |
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| Shaft Diameter | 3.125 in | 3.25 in | 3.25 in | 3.375 in | 3.50 in | |||||
| Dimension D | 3.125 in79.375 mm | 3.250 in82.55 mm | 3.250 in82.55 mm | 3.375 in85.725 mm | 3.500 in88.9 mm | |||||
| Dimension F | 3.7500 in95.250 mm | 3.7500 in95.250 mm | 4 in101.600 mm | 4 in101.600 mm | 4 in101.600 mm | |||||
| Dimension B | 2 in50.8 mm | |||||||||
| Chamfer rsmin | 0.10 in2.54 mm | |||||||||
| Max. Loose Transition Fit S | 3.1246 in79.365 mm | 3.2495 in82.537 mm | 3.2495 in82.537 mm | 3.3745 in85.712 mm | 3.4995 in88.887 mm | |||||
| Min. Loose Transition Fit S | 3.1239 in79.347 mm | 3.2487 in82.517 mm | 3.2487 in82.517 mm | 3.3737 in85.692 mm | 3.4987 in88.867 mm | |||||
| Max. Interference Fit | 3.1259 in79.398 mm | 3.2511 in82.578 mm | 3.2511 in82.578 mm | 3.3761 in85.753 mm | 3.5011 in88.928 mm | |||||
| Min. Interference Fit | 3.1254 in79.385 mm | 3.2505 in82.563 mm | 3.2505 in82.563 mm | 3.3755 in85.738 mm | 3.5005 in88.913 mm | |||||
| Weight | 1.940 lb0.88 Kg | 1.56 lb0.708 Kg | 2.4 lb1.089 Kg | 2.050 lb0.93 Kg | 1.67 lb0.757 Kg | |||||
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