Deep Groove Ball Bearing
6304 Bearing
Bearing dimensions and basic technical information.
Classification
CategoryBall Bearing
TypeDeep Groove Ball Bearing
StructureDeep Groove
RowSingle Row
Basic Dimensions
Bore diameter (d)20 mm
Outside diameter (D)52 mm
Width (B)15 mm
SealOpen
Construction
ShieldOpen
CagePressed steel
MaterialNot available
Internal ClearanceCN
Manufacturer Ratings
NSK 6304 (NSK Ltd., Rolling Bearings for Industrial Machinery, CAT. No. E1103, Tokyo, Japan, Jan. 2025.)
Dynamic Load Rating (Cr)17.5 kN
Static Load Rating (C0r)7.9 kN
Limiting Speed (Grease)16,000 r/min
Limiting Speed (Oil)19,000 r/min
SKF 6304 (SKF Group, Rolling Bearings, PUB BU/P1 17000/1 EN, Oct. 2018.)
Dynamic Load Rating (Cr)16.8 kN
Static Load Rating (C0r)7.8 kN
Fatigue Load Limit (Pu)0.335 kN
Reference Speed30,000 r/min
Limiting Speed19,000 r/min
About 6304
The 6304 is a deep groove ball bearing. It is classified as a Ball Bearing,deep groove bearing. Its basic dimensions are 20 × 52 × 15 mm.