outline dimension (mm)

d	3.175
D	6.35
D1	7.518
B	2.38
B1	2.779
C1	0.58
C2	0.79
γ（min）?	0.1

specified load (N)

Cr	283
Cor	95

Rated load load {kgf}

Cr	29
Cor	9.5

Rated speed min ^-1

Fat lubrication open type Z·ZZ	67000
Oil lubrication open type Z	80000

bearing symbol

open type	FR144
Dust cover type	FR144 ZZ

installation size (mm)

da（min）	4
db(max)	3.9
γa（max）	0.1

Weight (g) (reference)

open type	0.31
Dust cover type	0.35