Structure classification

Single row cylindrical roller bearings

Double row cylindrical roller bearings

Four row cylindrical roller bearings
 

Size Range

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

 

Series Range

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

 

Applications

Large and medium-sized motor, locomotives, spindle, internal combustion engines, generators, gas turbines, reducer, rolling mill, vibrating screen and lifting transportation machinery, etc