NKIA5903 is a combined bearing type, NKIA5903 is needle roller bearing with angular contact thrust bearing, the NKIA5903 inner diameter is 17mm, the outer diameter is 30mm, width of the bearing is 18mm.

• Item: NKIA5903 Roller Bearing
• Type: Needle Roller Bearing
• Dimensions: 17mm x 30mm x 18mm
• ID (inner diameter)/Bore: 17mm
• OD (outer diameter): 30mm
• Width/Height/thickness: 18mm
• Size: 17 x 30 x 18 mm
• Quantity: One Bearing
• Dynamic load rating: 840 KGF
• Static load rating: 1,170 KGF
• Equal: NATA5903 & NKJA5903