780 - 774D bearinginquiry
| Bearing Weight | 22.9690 lb
10.4186 Kg
|
| D - Cup Outer Diameter | 7.1250 in
180.975 mm
|
| d - Cone Bore | 4.0000 in
101.600 mm
|
| B - Cone Width | 1.8900 in
48.006 mm
|
| C - Double Cup Width | 3.3750 in
85.725 mm
|
| T - Bearing Width across Cones | 4.1250 in
104.775 mm
|
| Z - Number of Rollers Per Row | 21
|
| Ka - Locking Pin Diameter | N/A
|
| Kb - Locking Pin Depth | N/A
|
| R - Cone Backface "To Clear" Radius1 | 0.140 in
3.600 mm
|
| r - Cup Frontface "To Clear" Radius2 | 0.06 in
1.5 mm
|
| db - Cone Backface Backing Diameter | 4.69 in
119.10 mm
|
| Da - Cup Frontface Backing Diameter | 6.65 in
168.90 mm
|
| Aa - Cage-Cone Backface Clearance | 0.14 in
3.60 mm
|
| C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)1 | 20200 lbf
89700 N
|
| C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)2 | 135000 lbf
603000 N
|
| C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)3 | 35100 lbf
156000 N
|
| Ca90 - Dynamic Thrust Rating (90 million revolutions)4 | 13300 lbf
59200 N
|
| Y1 - ISO Factor3 | 0.82
1.22
|
| G1 - Heat Generation Factor (Roller-Raceway)5 | 227
|
| G2 - Heat Generation Factor (Rib-Roller End) | 38.2
|
| Cg - Geometry Factor6 | 0.107
|
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Sales the 780 - 774D bearings, condition monitoring and technical supports. we can
assure the quality of the Timken 780 - 774D bearings we provide, at the same time guarantee
the price is always competitive. As our valued customers, you always have a
peace in mind when using 780 - 774D bearings..
