参数 |
数据 |
说明 |
Series |
LM29700 |
|
Cone Part Number |
LM29748 |
|
Cup Part Number |
LM29710 |
|
Design Units |
Imperial |
|
Bearing Weight |
0.50 lb |
|
Bearing Weight |
0.200 Kg |
|
Cage Type |
Stamped Steel |
|
D - Cup Outer Diameter |
2.5625 in |
|
D - Cup Outer Diameter |
65.088 mm |
|
d - Cone Bore |
1.5000 in |
|
d - Cone Bore |
38.100 mm |
|
B - Cone Width |
0.7200 in |
|
B - Cone Width |
18.288 mm |
|
C - Cup Width |
0.5500 in |
|
C - Cup Width |
13.970 mm |
|
T - Bearing Width |
0.7100 in |
|
T - Bearing Width |
18.034 mm |
|
Z - Number of Rollers Per Row |
21 |
|
R - Cone Backface "To Clear" Radius |
0.140 in |
These maximum fillet radii will be cleared by the bearing corners. |
R - Cone Backface "To Clear" Radius |
3.560 mm |
These maximum fillet radii will be cleared by the bearing corners. |
r - Cup Backface "To Clear" Radius |
0.050 in |
These maximum fillet radii will be cleared by the bearing corners. |
r - Cup Backface "To Clear" Radius |
1.27 mm |
These maximum fillet radii will be cleared by the bearing corners. |
da - Cone Frontface Backing Diameter |
1.67 in |
|
da - Cone Frontface Backing Diameter |
42.42 mm |
|
db - Cone Backface Backing Diameter |
1.93 in |
|
db - Cone Backface Backing Diameter |
49.02 mm |
|
Da - Cup Frontface Backing Diameter |
2.46 in |
|
Da - Cup Frontface Backing Diameter |
62.00 mm |
|
Db - Cup Backface Backing Diameter |
2.32 in |
|
Db - Cup Backface Backing Diameter |
58.93 mm |
|
Ab - Cage-Cone Frontface Clearance |
0.04 in |
|
Ab - Cage-Cone Frontface Clearance |
1.02 mm |
|
Aa - Cage-Cone Backface Clearance |
0.03 in |
|
Aa - Cage-Cone Backface Clearance |
0.76 mm |
|
a - Effective Center Location |
-0.16 in |
Negative value indicates effective center inside cone backface. |
a - Effective Center Location |
-4.10 mm |
Negative value indicates effective center inside cone backface. |
C90 - Dynamic Radial Rating (90 million revolutions) |
2830 lbf |
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) |
12600 N |
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) |
10900 lbf |
Based on 1 x 106 revolutions L10 life, for the ISO life calculation method. |
C1 - Dynamic Radial Rating (1 million revolutions) |
48600 N |
Based on 1 x 106 revolutions L10 life, for the ISO life calculation method. |
C0 - Static Radial Rating |
13600 lbf |
|
C0 - Static Radial Rating |
60300 N |
|
Ca90 - Dynamic Thrust Rating (90 million revolutions) |
1610 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. |
Ca90 - Dynamic Thrust Rating (90 million revolutions) |
7170 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. |
K - Factor |
1.76 |
These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use. |
e - ISO Factor |
0.33 |
These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use. |
Y - ISO Factor |
1.8 |
These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use. |
G1 - Heat Generation Factor (Roller-Raceway) |
20.4 |
|
G2 - Heat Generation Factor (Rib-Roller End) |
15 |
|
Cg - Geometry Factor |
0.0666 |
|