size,mm

d	30.162
D	72.626
T 1	11.112

specified load,N

Dynamic load (1) C 1	87700
Coefficient (5) e	0.33
Coefficient (5) Y	1.80
Dynamic load (2) C 90	22700
Dynamic load (2) C a90	13000
Coefficient (5) K	1.76
Static load C 0	102000

bearing designation

inner ring	3187
housing washer	3120-B

Bearings size, mm

B	29.997
C	23.812
a (3)	-10.2
D 1	77.300
C 2	4.762

Axial dimension, mm

Maximum shoulder chamfer radius R (4)	0.8
Shaft shoulder diameter D a	38.5
Diameter of the shoulder d b	39.0

Bearings seat size, mm

Shoulder diameter D a	69.0

coefficient

G 1	23.4
G 2	8.76
G g	0.0697

weight kg

weight kg	0.63