size,mm

d	254.000
D	422.275
T	86.121

specified load,N

Dynamic load (1) C 1	1280000
Coefficient (5) e	0.33
Coefficient (5) Y	1.80
Dynamic load (2) C 90	332000
Dynamic load (2) C a90	189000
Coefficient (5) K	1.76
Static load C 0	2020000

bearing designation

inner ring	HM252343
housing washer	HM252310

Bearings size, mm

B	79.771
C	66.675
a (3)	-9.4

Axial dimension, mm

Maximum shoulder chamfer radius R (4)	6.8
Shaft shoulder diameter D a	281.0
Diameter of the shoulder d b	287.0

Bearings seat size, mm

Maximum shoulder fillet radius r (4)	3.3
Shoulder diameter D a	399.5
Shoulder diameter D b	392.0

retainer

A a	13.00
A b	4.80

coefficient

G 1	1500
G 2	148
G g	0.1482

weight kg

weight kg	41.60