参数 |
数据 |
说明 |
Series |
30207 |
|
Cone Part Number |
X30207 |
|
Cup Part Number |
Y30207 |
|
Design Units |
Metric |
|
Bearing Weight |
0.3000 Kg |
|
Bearing Weight |
0.800 lb |
|
Cage Type |
Stamped Steel |
|
D - Cup Outer Diameter |
72.000 mm |
|
D - Cup Outer Diameter |
2.8346 in |
|
d - Cone Bore |
35.000 mm |
|
d - Cone Bore |
1.3780 in |
|
B - Cone Width |
17.000 mm |
|
B - Cone Width |
0.6693 in |
|
C - Cup Width |
15.000 mm |
|
C - Cup Width |
0.5906 in |
|
T - Bearing Width |
18.255 mm |
|
T - Bearing Width |
0.7187 in |
|
Z - Number of Rollers Per Row |
17 |
|
R - Cone Backface "To Clear" Radius |
1.520 mm |
These maximum fillet radii will be cleared by the bearing corners. |
R - Cone Backface "To Clear" Radius |
0.060 in |
These maximum fillet radii will be cleared by the bearing corners. |
r - Cup Backface "To Clear" Radius |
1.52 mm |
These maximum fillet radii will be cleared by the bearing corners. |
r - Cup Backface "To Clear" Radius |
0.060 in |
These maximum fillet radii will be cleared by the bearing corners. |
da - Cone Frontface Backing Diameter |
42.42 mm |
|
da - Cone Frontface Backing Diameter |
1.67 in |
|
db - Cone Backface Backing Diameter |
44.45 mm |
|
db - Cone Backface Backing Diameter |
1.75 in |
|
Da - Cup Frontface Backing Diameter |
67.10 mm |
|
Da - Cup Frontface Backing Diameter |
2.68 in |
|
Db - Cup Backface Backing Diameter |
64.01 mm |
|
Db - Cup Backface Backing Diameter |
2.52 in |
|
Ab - Cage-Cone Frontface Clearance |
2.54 mm |
|
Ab - Cage-Cone Frontface Clearance |
0.10 in |
|
Aa - Cage-Cone Backface Clearance |
0.76 mm |
|
Aa - Cage-Cone Backface Clearance |
0.03 in |
|
a - Effective Center Location |
-3.30 mm |
Negative value indicates effective center inside cone backface. |
a - Effective Center Location |
-0.13 in |
Negative value indicates effective center inside cone backface. |
C90 - Dynamic Radial Rating (90 million revolutions) |
15700 N |
Based on 90 x 106 revolutions L10 life, for The Timken Company life calculation method. C90 and Ca90 are radial and thrust values. |
C90 - Dynamic Radial Rating (90 million revolutions) |
3530 lbf |
Based on 90 x 106 revolutions L10 life, for The Timken Company life calculation method. C90 and Ca90 are radial and thrust values. |
C1 - Dynamic Radial Rating (1 million revolutions) |
60600 N |
Based on 1 x 106 revolutions L10 life, for the ISO life calculation method. |
C1 - Dynamic Radial Rating (1 million revolutions) |
13600 lbf |
Based on 1 x 106 revolutions L10 life, for the ISO life calculation method. |
C0 - Static Radial Rating |
63600 N |
|
C0 - Static Radial Rating |
14300 lbf |
|
Ca90 - Dynamic Thrust Rating (90 million revolutions) |
10100 N |
Based on 90 x 106 revolutions L10 life, for The Timken Company life calculation method. C90 and Ca90 are radial and thrust values for a single-row, C90(2) is the two-row radial value. |
Ca90 - Dynamic Thrust Rating (90 million revolutions) |
2270 lbf |
Based on 90 x 106 revolutions L10 life, for The Timken Company life calculation method. C90 and Ca90 are radial and thrust values for a single-row, C90(2) is the two-row radial value. |
K - Factor |
1.56 |
These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use. |
e - ISO Factor |
0.37 |
These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use. |
Y - ISO Factor |
1.6 |
These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use. |
G1 - Heat Generation Factor (Roller-Raceway) |
18 |
|
G2 - Heat Generation Factor (Rib-Roller End) |
13.3 |
|
Cg - Geometry Factor |
0.0662 |
|