size,mm

d	63.500
D	130.000
T	41.275

specified load,N

Dynamic load (1) C 1	216000
Coefficient (5) e	0.36
Coefficient (5) Y	1.66
Dynamic load (2) C 90	55900
Dynamic load (2) C a90	34700
Coefficient (5) K	1.61
Static load C 0	298000

bearing designation

inner ring	639
housing washer	633X

Bearings size, mm

B	41.275
C	31.750
a (3)	-11.2

Axial dimension, mm

Maximum shoulder chamfer radius R (4)	3.5
Shaft shoulder diameter D a	74.0
Diameter of the shoulder d b	81.0

Bearings seat size, mm

Maximum shoulder fillet radius r (4)	3.0
Shoulder diameter D a	123.0
Shoulder diameter D b	117.0

retainer

A a	4.20
A b	1.90

coefficient

G 1	106
G 2	21
G g	0.0814

weight kg

weight kg	2.49