size,mm

d	33.338
D	69.850
T	66.675
B	57.150

specified load,N

Dynamic load (1) C 1	135000
Coefficient (5) e	0.27
Coefficient (5) Y1	2.47
Coefficient (5) Y 2	3.67
Dynamic load (2) C 90	20100
Dynamic load (2) C a90	9410
Dynamic load (2) C 90 (2)	35000
Coefficient (5) K	2.14

bearing designation

inner ring	2581
housing washer	2523D
Separation ring (4)

Axial dimension, mm

Maximum shoulder chamfer radius R (3)	0.8
Diameter of the shoulder d b	39.5

Bearings seat size, mm

Maximum shoulder fillet radius r (3)	0.8
Shoulder diameter D a	64.0

melt

K a
K b

coefficient

G 1	23.6
G 2	9.63
G g	0.0656

weight kg

weight kg	1.10