Deep Groove Ball Bearing
6303 Bearing
Bearing dimensions and basic technical information.
Classification
CategoryBall Bearing
TypeDeep Groove Ball Bearing
StructureDeep Groove
RowSingle Row
Basic Dimensions
Bore diameter (d)17 mm
Outside diameter (D)47 mm
Width (B)14 mm
SealOpen
Construction
ShieldOpen
CagePressed steel
MaterialNot available
Internal ClearanceCN
Manufacturer Ratings
NSK 6303 (NSK Ltd., Rolling Bearings for Industrial Machinery, CAT. No. E1103, Tokyo, Japan, Jan. 2025.)
Dynamic Load Rating (Cr)15 kN
Static Load Rating (C0r)6.65 kN
Limiting Speed (Grease)17,000 r/min
Limiting Speed (Oil)20,000 r/min
SKF 6303 (SKF Group, Rolling Bearings, PUB BU/P1 17000/1 EN, Oct. 2018.)
Dynamic Load Rating (Cr)14.3 kN
Static Load Rating (C0r)6.55 kN
Fatigue Load Limit (Pu)0.275 kN
Reference Speed34,000 r/min
Limiting Speed22,000 r/min
About 6303
The 6303 is a deep groove ball bearing. It is classified as a Ball Bearing,deep groove bearing. Its basic dimensions are 17 × 47 × 14 mm.