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Bearing Number Bore Dia Outer DIa Width Size
8-254 NBR90 B 140.16X146.16X1.25 N90 NBR BACKUP RING Seal 31411705 Oil Seals 0.787 Inch / 20 Millimeter
8-357 NBR90 B 140.41X4.65X1.5 NBR BACKUP RING Seal 31411705 Oil Seals 0.472 Inch / 12 Millimeter
8-355 NBR90 B 134.06X4.65X1.5 NBR BACKUP RING Seal 31411705 Oil Seals 0.276 Inch / 7 Millimeter
8-253 NBR90 B 136.98X142.98X1.25 N90 NBR BACKUP RING Seal 31411705 Oil Seals 0.472 Inch / 12 Millimeter
8-356 NBR90 B 137.24X4.65X1.5 NBR BACKUP RING Seal 31411705 Oil Seals 0.875 Inch / 22.225 Millimeter
8-430 NBR90 B 131.47X143.46X2.97 N90 NBR BACKUP RING Seal 31411705 Oil Seals 0.906 Inch / 23.012 Millimeter
8-252 NBR90 B 133.8X139.8X1.25 N90 NBR BACKUP RING Oil Seals 0.124 S02250 -
8-160 NBR90 B 133.81X138.18X1.35 N90 NBR BACKUP RING Seal 31411705 Oil Seals 0.5 Inch / 12.7 Millimeter
8-353 NBR90 B 127.71X137.01X1.93 NBR BACKUP RING Seal Oil Seals 0.472 Inch / 12 Millimeter 4.331 Inch / 110 Millimeter
8-429 NBR90 B 128.3X140.29X2.97 N90 NBR BACKUP RING Seal 31411705 Oil Seals 0.276 Inch / 7 Millimeter
8-251 NBR90 B 130.63X136.63X1.25 N90 NBR BACKUP RING Seal 31411705 Oil Seals 0.394 Inch / 10 Millimeter
8-354 NBR90 B 130.89X4.65 NBR BACKUP RING Seal 31411705 Oil Seals 0.5 Inch / 12.7 Millimeter
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