1, miniature bearings, nominal diameter size range: 26 mm or less
2, small bearings, nominal diameter size range: 28 to 55mm
3, small-medium bearings, nominal diameter size range: 60-115mm
4, large-medium bearings, nominal diameter size range: 120-190mm
5, large bearings, nominal diameter size range: 200-430mm
6, oversize bearings, nominal diameter size range: 440mm or more
Single row cylindrical roller bearings: N、NU、NJ、NF、NUP、NFP、NH(NJ+HJ)
Double row cylindrical roller bearings: Cylindrical inner hole、Conical bore、NN、NNU、NNF
Four row cylindrical roller bearings: FC、FCD
Precision grade: PO, P6, P5, P4, P2
Large and medium-sized motor, locomotives, spindle, internal combustion engines, generators, gas turbines, reducer, rolling mill, vibrating screen and lifting transportation machinery, etc
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