size,mm

d	139.700
D	215.900
T	47.625

specified load,N

Dynamic load (1) C 1	354000
Coefficient (5) e	0.49
Coefficient (5) Y	1.23
Dynamic load (2) C 90	91700
Dynamic load (2) C a90	76500
Coefficient (5) K	1.20
Static load C 0	614000

bearing designation

inner ring	74550A
housing washer	74850

Bearings size, mm

B	47.625
C	34.925
a (3)	2.3

Axial dimension, mm

Maximum shoulder chamfer radius R (4)	6.4
Shaft shoulder diameter D a	154.0
Diameter of the shoulder d b	166.0

Bearings seat size, mm

Maximum shoulder fillet radius r (4)	3.3
Shoulder diameter D a	208.0
Shoulder diameter D b	196.0

retainer

A a	4.80
A b	2.00

coefficient

G 1	363
G 2	63.3
G g	0.1338

weight kg

weight kg	6.00