1. Bearing 232R. Excerpt from MRC Doc. BPFI = 0
Bearing 232R. Excerpt from MRC Doc. BPFI = hz at 1rpm shaft speed. BFPI Orders = *60 =9.9 orders

2. Fault Frequncies in orders

3. Hi-Res Freqs 1x=1190

4. Harmonics of BPFI

5. 1x Sidebands around BPFI harmonics.

6. Highest peak is 1x sidebands below BPFO harmonic

7. Multiple 1X SB’s around BPFI fundamental 9.87+/- k*1.0

8. Twf – up to 7g’s pk/pk. Modulates at 1x

9. Zoom in on TWF does not reveal any regular spacing of impacts such as 9.87

10. Spacing around 7 (expect

11. ? Harmonics 5.4

12. Ringdown freq 384,000 cpm (325 orders)

13. Likely 1* RBPF

14. Likely 2*RBPF

15. Misc on hi-freq plot

16. 6.02 has harmonics and 1x sidebands

17. Speed is 1194 on high res spectrum – use for next slide.

18. Auto-correlation shows discrete time peaks at time intervals which are exact multiples of BPFI period. (The broad pattern modulates at 1x)