size,mm

d	299.975
D	495.300
T	141.288

specified load,N

Dynamic load (1) C 1	2810000
Coefficient (5) e	0.33
Coefficient (5) Y	1.80
Dynamic load (2) C 90	729000
Dynamic load (2) C a90	415000
Coefficient (5) K	1.76
Static load C 0	5650000

bearing designation

inner ring	HH258248
housing washer	HH258210

Bearings size, mm

B	141.288
C	114.300
a (3)	-34.5

Axial dimension, mm

Maximum shoulder chamfer radius R (4)	6.4
Shaft shoulder diameter D a	332.0
Diameter of the shoulder d b	342.0

Bearings seat size, mm

Maximum shoulder fillet radius r (4)	6.4
Shoulder diameter D a	467.5
Shoulder diameter D b	448.0

retainer

A a	10.70
A b	7.70

coefficient

G 1	3850
G 2	220
G g	0.2048

weight kg

weight kg	106.33