outline dimension (mm)

d	260
D	360
T	79
T3	82.8
T4	93
γ (min)	2.1

specified load (N)

Ca	435000
C0a	1800000

Rated load load {kgf}

Ca	44500
C0a	184000

Rated speed min ^-1

Fat lubrication	560
oiling	850

bearing symbol

Flat base is ring type	51252X
Heart ball seat	53252X
Serical seat circle	53252XU

size (mm)

d1	355
D1	264
D2	305
D3	370
b	30
A	152
R	280

installation size (mm)

da （min）	319
da (max)	301
γa (max)	2

Weight (kg) (reference)

Flat base is ring type	25.1
Heart ball face type	27.3
Serical seat circle	33.2