outline dimension (mm)

d	300
D	420
T	95
T3	100.5
T4	112
γ (min)	3

specified load (N)

Ca	540000
C0a	2410000

Rated load load {kgf}

Ca	55000
C0a	246000

Rated speed min ^-1

Fat lubrication	450
oiling	670

bearing symbol

Flat base is ring type	51260X
Heart ball seat	53260X
Serical seat circle	53260XU

size (mm)

d1	415
D1	304
D2	360
D3	430
b	34
A	164
R	320

installation size (mm)

da （min）	371
da (max)	349
γa (max)	2.5

Weight (kg) (reference)

Flat base is ring type	43.5
Heart ball face type	47.7
Serical seat circle	56.1