size,mm

d	304.800
D	438.048
T	76.200

specified load,N

Dynamic load (1) C 1	879000
Coefficient (5) e	0.42
Coefficient (5) Y	1.44
Dynamic load (2) C 90	228000
Dynamic load (2) C a90	162000
Coefficient (5) K	1.40
Static load C 0	1780000

bearing designation

inner ring	EE129120X
housing washer	129172

Bearings size, mm

B	76.992
C	53.975
a (3)	7.4

Axial dimension, mm

Maximum shoulder chamfer radius R (4)	6.4
Shaft shoulder diameter D a	328.0
Diameter of the shoulder d b	334.0

Bearings seat size, mm

Maximum shoulder fillet radius r (4)	4.8
Shoulder diameter D a	411.5
Shoulder diameter D b	406.0

retainer

A a	15.00
A b	-2.00

coefficient

G 1	1880
G 2	273
G g	0.1711

weight kg

weight kg	33.00