We are looking for a supplier of bearings 36-42726 E2M and 36-232726 E2M for the railway

Hello,
We are looking for a supplier of bearings for the railway.
36-42726 E2M (130x250x80 18,9kg.)
and 36-232726 E2M (130x250x80/81,2 18,kg.)
Please send offers for prices.
Price for 10 pieces.?
Price for 100 pieces.?
Price for 1000 pieces.?
Must be the best quality.
Thanks for the answer.
PCM 040504 E/VB055 HM807035
10B3S30I KWVE25BNLG4-V0
SK6-29NZ NKIA5910
7008 ACD/P4ADBA GVFD1

LFR520114KDD AR80A1N5M
GE280DO2RSA SDAF 534L FXOP
QMMC22J110SM 6208-2RS1N
202NPP5Z17P QVVSN14V065SEM
H217 61800-2Z
QAAPF20A100SET PSM 202615 A51
19137DE 12B1S163
KGNS40BPPAS 7312 BEGBY

QAAFY10A050ST QMF11J203ST