outline dimension (mm)

d	190
D	320
T	105
T3	111
T4	121
γ (min)	4

specified load (N)

Ca	550000
C0a	1960000

Rated load load {kgf}

Ca	56000
C0a	199000

Rated speed min ^-1

Fat lubrication	500
oiling	750

bearing symbol

Flat base is ring type	51338X
Heart ball seat	53338X
Serical seat circle	53338XU

size (mm)

d1	315
D1	195
D2	255
D3	330
b	33
A	104
R	250

installation size (mm)

da （min）	266
da (max)	244
γa (max)	3

Weight (kg) (reference)

Flat base is ring type	36.5
Heart ball face type	38.1
Serical seat circle	44.7