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78251D-78537
Part Number | 78251D-78537 |
System of Measurement | Inch |
Type | Bearing |
Cone Part Number | 78251D |
Cup Part Number | 78537 |
Bearing Type | Roller |
Roller Bearing Type | Tapered Roller |
For Load Direction | Combined |
Construction | Double Row |
Seal Type | Open |
Cups Type | Standard |
Series | 78000 |
Bore Dia | 2.5" |
Bore Dia Tolerance | +0.005" to 0 |
Outer Dia | 5.375" |
Outer Dia Tolerance | +0.001" to 0 |
Double Cone Width | 2.598" |
Double Cone Width Tolerance | +0.003" to -0.01 |
Cup Width | 0.926" |
Cup Width Tolerance | +0.002" to -0.01 |
Bearing Width Across Cups | 2.602" |
Bearing Width Across Cups Tolerance | +0.008" to 0 |
Cone Backface ToClear Radius | 0.09" |
Cup Backface ToClear Radius | 0.13" |
Cup Frontface Backing Diameter | 3.11" |
Cup Backface Backing Diameter | 4.53" |
Dynamic Radial Load | 66900 lbf |
Ring Material | Chrome Steel |
Roller Material | Chrome Steel |
Cage Material | Steel |
Dynamic Radial Rating(One Row 90 Million Revolutions) | 9970 lbf |
Dynamic Thrust Rating(90 Million Revolutions) | 14800 lbf |
Dynamic Radial Rating(Two Row 90 Million Revolutions) | 17400 lbf |
Lubrication | Required |
Temperature Range | -30° to 110 °C |
ABEC Rating | ABEC-1 |
Radial Clearance | Standard (Available in C3/C4/C5) |
RoHS | Compliant |
REACH | Compliant |
Weight | 9.5 lb |
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