outline dimension (mm)

d	220
D	300
T	63
T3	65.6
T4	75
γ (min)	2

specified load (N)

Ca	325000
C0a	1210000

Rated load load {kgf}

Ca	33500
C0a	123000

Rated speed min ^-1

Fat lubrication	670
oiling	1000

bearing symbol

Flat base is ring type	51244X
Heart ball seat	53244X
Serical seat circle	53244XU

size (mm)

d1	297
D1	224
D2	260
D3	310
b	25
A	118
R	225

installation size (mm)

da （min）	268
da (max)	252
γa (max)	2

Weight (kg) (reference)

Flat base is ring type	13.6
Heart ball face type	14.9
Serical seat circle	18