Table1 Titles/Units of each parts |
Symbol |
Title |
Symbol |
Title |
DL |
(up raceway)Diameter of central raceway |
n |
No. Mounting holes |
DW |
(up raceway)Dimension of ball/roller |
n1 |
No. grease nozzle |
D1 |
External Ring P.C.D |
dn1 |
Diameter of External mounting holes |
D2 |
Internal Ring P.C.D |
dn2 |
Diameter of Internal mounting holes |
D |
Nominal OD |
dm1 |
Diameter of External thread mounting holes |
d |
Nominal ID |
dm2 |
Diameter of Internal thread mounting holes |
d1 |
External ring ID |
L |
Thread length of mounting holes |
D3 |
External ring OD |
da |
addendum circle diameter |
H |
Total height |
m |
Modules |
H1 |
Height of Internal/External ring |
x |
overlap arc of gear |
h |
Altitude different of Int/Ext ring |
z |
No. of teeth |
DS |
depth of hardened layer |
b |
Width of teeth |