7904CDB FY Back to Back Angular Contact Ball Bearing d20 D37

7904CDB FY Back to Back Angular Contact Ball Bearing d20 D37

SKU: BTBACBB454 Category: Back to back Brand: Koyo

Additional information

Additional information

Bearing no.	7904CDB FY
d	20
D	37
B	18
r (min)	0.3
r1 (min)	0.15
C ISO	11.8
C0 ISO	9.15
f0	14.9
Grease lub	24000
Oil lub	31000
a (mm)	16.6
da (min)	22.5
Db (max)	35.8
ra (max)	0.3
rb (max)	0.15
Refer. mass	0.07