outline dimension (mm)

d	190
D	270
T	62
T3	65.7
T4	73
γ (min)	2

specified load (N)

Ca	320000
C0a	1110000

Rated load load {kgf}

Ca	32500
C0a	113000

Rated speed min ^-1

Fat lubrication	750
oiling	1100

bearing symbol

Flat base is ring type	51238X
Heart ball seat	53238X
Serical seat circle	53238XU

size (mm)

d1	267
D1	194
D2	230
D3	280
b	23
A	98
R	200

installation size (mm)

da （min）	238
da (max)	222
γa (max)	2

Weight (kg) (reference)

Flat base is ring type	11.8
Heart ball face type	12.9
Serical seat circle	15.7