size,mm

d	52.388
D	112.712
T	65.088
B	46.038

specified load,N

Dynamic load (1) C 1	172000
Coefficient (5) e	0.88
Coefficient (5) Y1	0.76
Coefficient (5) Y 2	1.14
Dynamic load (2) C 90	25500
Dynamic load (2) C a90	38600
Dynamic load (2) C 90 (2)	44500
Coefficient (5) K	0.66

bearing designation

inner ring	55206
housing washer	55444D
Separation ring (4)	X1S-55206

Axial dimension, mm

Maximum shoulder chamfer radius R (3)	3.5
Diameter of the shoulder d b	72.0

Bearings seat size, mm

Maximum shoulder fillet radius r (3)	1.5
Shoulder diameter D a	105.0

melt

K a
K b

coefficient

G 1	36.8
G 2	13.2
G g	0.1085

weight kg

weight kg	2.71