1) Ring: GCr15, GCr15SiMn, 20Cr2Ni4A 2) Cage: machined cage, window cage, pin type cage 3) ID dimension:100mm ~ 2000mm 4) Type: FC, FCD, FCDP 5) Precision: Class 4 (P 0), Class 2 (P 6), Class 3 (P 5), Class 0 (P 4) 6) Lead time: 20 days ~ 45 days 7) Features: four-row cylinadrical roller bearings can carry much heavier radial load and shock load. They have higher manfacturing precision and can be used to meet high rotational speed requirement. Mostly these bearings are used in the rolling mills and some other cases.
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