Da max
|
53 mm
|
Maximum diameter of bearing housing
|
d1
|
45.5 mm
|
Inner ring rib diameter
|
r min
|
0.3 mm
|
Minimum chamfer size
|
da min
|
40 mm
|
Shaft minimum diameter
|
r1 min
|
0.6 mm
|
Minimum chamfer size
|
t1
|
0.1 mm
|
Housing hole positioning tolerance
|
J
|
63 mm
|
Fixed hole pitch diameter
|
|
M6X70
|
Fixing Bolt Size
|
d2
|
6.8 mm
|
Fixed hole diameter
|
na
|
12
|
Number of holes in adjacent structures
|
ta
|
30 °
|
Pitch circle separation angle of holes in adjacent structures
|
b
|
3 mm
|
Drawing slot width
|
|
M6
|
Lubricate threaded holes
|
I
|
47 mm
|
Drawing slot pitch
|
n
|
12
|
Fixed hole pitch
|
t
|
30 °
|
Fixed hole pitch circle separation angle
|
a
|
60 °
|
Contact angle
|
