size,mm

d	177.800
D	304.800
T	109.438
B	114.300

specified load,N

Dynamic load (1) C 1	1030000
Coefficient (5) e	0.36
Coefficient (5) Y1	1.87
Coefficient (5) Y 2	2.79
Dynamic load (2) C 90	153000
Dynamic load (2) C a90	94500
Dynamic load (2) C 90 (2)	267000
Coefficient (5) K	1.62

bearing designation

inner ring	EE280700D
housing washer	281200
Separation ring (4)	Y1S-281200

Axial dimension, mm

Maximum shoulder, chamfer radius R (3)	3.3
Shaft shoulder diameter D a	200.0

Bearings seat size, mm

Maximum bearing seat shoulder chamfer radius r (3)	3.3
Shoulder diameter D b	279.0

coefficient

G 1	591
G 2	86
G g	0.1115

weight kg

weight kg	31.88