size,mm

d	59.987
D	125.000
T	38.100

specified load,N

Dynamic load (1) C 1	177000
Coefficient (5) e	0.35
Coefficient (5) Y	1.73
Dynamic load (2) C 90	45800
Dynamic load (2) C a90	27100
Coefficient (5) K	1.69
Static load C 0	248000

bearing designation

inner ring	558-S
housing washer	553A

Bearings size, mm

B	36.678
C	30.162
a (3)	-9.4

Axial dimension, mm

Maximum shoulder chamfer radius R (4)	3.5
Shaft shoulder diameter D a	69.0
Diameter of the shoulder d b	75.0

Bearings seat size, mm

Maximum shoulder fillet radius r (4)	3.3
Shoulder diameter D a	116.0
Shoulder diameter D b	109.0

retainer

A a	2.30
A b	1.20

coefficient

G 1	91
G 2	21.1
G g	0.1108

weight kg

weight kg	2.13