 |
74550 - 74850
XHY
| Quantity: | |
|---|---|
Part Number 74550 - 74850 Tapered Roller Bearings
Series | 74000 |
Cone Part Number | 74550 |
Cup Part Number | 74850 |
Design Unit | Inch |
Cage Material | Stamped Steel |
Related Assembly Number(s) | 74550-9005874550-90116 |
d - Bore | 5 1/2 in139.700 mm |
D - Cup Outer Diameter | 8.5000 in215.900 mm |
B - Cone Width | 1.875 in47.625 mm |
C - Cup Width | 1.3750 in34.925 mm |
T - Bearing Width | 1.8750 in47.625 mm |
| R - Cone Backface "To Clear" Radius1 | 0.14 in3.600 mm |
| r - Cup Backface "To Clear" Radius2 | 0.130 in3.30 mm |
da - Cone Frontface Backing Diameter | 5.94 in151 mm |
db - Cone Backface Backing Diameter | 6.22 in158 mm |
Da - Cup Frontface Backing Diameter | 8.23 in209.00 mm |
Db - Cup Backface Backing Diameter | 7.72 in196.09 mm |
Ab - Cage-Cone Frontface Clearance | 0.11 in2.8 mm |
Aa - Cage-Cone Backface Clearance | 0.17 in4.3 mm |
| a - Effective Center Location3 | 0.09 in2.3 mm |
1 These maximum fillet radii will be cleared by the bearing corners.
2 These maximum fillet radii will be cleared by the bearing corners.
3 Negative value indicates effective center inside cone backface.
4 Based on 90 x 106 revolutions L10 life, for The Timken Company life calculation method. C90 and Ca90 are radial and thrust values.
5 Based on 1 x 106 revolutions L10 life, for the ISO life calculation method.
6 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.
7 These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
8 These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
9 These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
10 Geometry constant for Lubrication Life Adjustment Factor a3l.
Part Number 74550 - 74850 Tapered Roller Bearings
Series | 74000 |
Cone Part Number | 74550 |
Cup Part Number | 74850 |
Design Unit | Inch |
Cage Material | Stamped Steel |
Related Assembly Number(s) | 74550-9005874550-90116 |
d - Bore | 5 1/2 in139.700 mm |
D - Cup Outer Diameter | 8.5000 in215.900 mm |
B - Cone Width | 1.875 in47.625 mm |
C - Cup Width | 1.3750 in34.925 mm |
T - Bearing Width | 1.8750 in47.625 mm |
| R - Cone Backface "To Clear" Radius1 | 0.14 in3.600 mm |
| r - Cup Backface "To Clear" Radius2 | 0.130 in3.30 mm |
da - Cone Frontface Backing Diameter | 5.94 in151 mm |
db - Cone Backface Backing Diameter | 6.22 in158 mm |
Da - Cup Frontface Backing Diameter | 8.23 in209.00 mm |
Db - Cup Backface Backing Diameter | 7.72 in196.09 mm |
Ab - Cage-Cone Frontface Clearance | 0.11 in2.8 mm |
Aa - Cage-Cone Backface Clearance | 0.17 in4.3 mm |
| a - Effective Center Location3 | 0.09 in2.3 mm |
1 These maximum fillet radii will be cleared by the bearing corners.
2 These maximum fillet radii will be cleared by the bearing corners.
3 Negative value indicates effective center inside cone backface.
4 Based on 90 x 106 revolutions L10 life, for The Timken Company life calculation method. C90 and Ca90 are radial and thrust values.
5 Based on 1 x 106 revolutions L10 life, for the ISO life calculation method.
6 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.
7 These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
8 These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
9 These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
10 Geometry constant for Lubrication Life Adjustment Factor a3l.
