5903 Combined Needle Bearing 17x30x18 mm. Type: Needle Roller Bearing . Dimensions: 17mm x 30mm x 18mm . ID (inner diameter)/Bore: 17mm . OD (outer diameter): 30mm.

5903 is a combined bearing type, needle roller bearing with angular contact thrust bearing, the 5903 inner diameter is 17mm, the outer diameter is 30mm, width of the cone (inner ring) is 18mm.

Item: Needle roller bearing combined with angular contact thrust bearing
Dimensions Standard: Metric
Dimensions: 17*30*18 mm
ID (inner diameter)/Bore=17mm
OD (outer diameter)=30mm
Width/Height/thickness=18mm
Size: 17mm x 30mm x 18mm
Type: Needle Roller Bearing 5903