size,mm

d	11.987
D	30.480
T	25.400
B	21.260

specified load,N

Dynamic load (1) C 1	18500
Coefficient (5) e	0.41
Coefficient (5) Y1	1.67
Coefficient (5) Y 2	2.48
Dynamic load (2) C 90	2750
Dynamic load (2) C a90	1910
Dynamic load (2) C 90 (2)	4780
Coefficient (5) K	1.44

bearing designation

inner ring	A2047
housing washer	A2120D
Separation ring (4)	R800003

Axial dimension, mm

Maximum shoulder chamfer radius R (3)	0.8
Diameter of the shoulder d b	16.5

Bearings seat size, mm

Maximum shoulder fillet radius r (3)	0.0
Shoulder diameter D a	28.0

melt

K a
K b

coefficient

G 1	1.7
G 2	3.17
G g	0.0308

weight kg

weight kg	0.08