Can You Identify This Deep Groove Ball Baring Bearing and/or Give an SKF Equivalent?

I am changing out my motorcycle engine bearings from the Chinese CJB brand to a high quality brand like SKF (Explorer range).

I am still waiting on a heat gun in order to remove the bearings from the engine case, and one bearing has been installed with it’s codes facing into the blind seat.

1. I do know that its dimensions are 17x47x14mm, so it’s a 6303 series.
2. All of the other bearings have a C3 fit, so I assume this will as well.
3. The other bearings all use PA66 or Glass-Fibre Reinforced PA66 cages, but they look quite different to this cage.
4. All other bearings are Class 6 Precision, so I am assuming this is as well.

Can anyone recognise the type of cage in this bearing? Do you know an SKF-equivalent suffix or prefix, or any brand’s suffix that matches it?

Please let me know if you need any further information.

Thank you,

Nicholas