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M278749DW-M278710
| Part Number | M278749DW-M278710 |
| System of Measurement | Inch |
| Type | Bearing |
| Cone Part Number | M278749DW |
| Cup Part Number | M278710 |
| Bearing Type | Roller |
| Roller Bearing Type | Tapered Roller |
| For Load Direction | Combined |
| Construction | Double Row |
| Seal Type | Open |
| Cups Type | Standard |
| Series | M278700 |
| Bore Dia | 22.5" |
| Bore Dia Tolerance | +0.002" to 0 |
| Outer Dia | 32" |
| Outer Dia Tolerance | +0.003" to 0 |
| Double Cone Width | 11.25" |
| Double Cone Width Tolerance | +0.003" to -0.01 |
| Cup Width | 4.75" |
| Cup Width Tolerance | +0.002" to -0.01 |
| Bearing Width Across Cups | 11.2499" |
| Bearing Width Across Cups Tolerance | +0.015" to -0.015" |
| Cone Backface ToClear Radius | 0.13" |
| Cup Backface ToClear Radius | 0.25" |
| Cup Frontface Backing Diameter | 23.98" |
| Cup Backface Backing Diameter | 29.76" |
| Dynamic Radial Load | 1770000 lbf |
| Ring Material | Chrome Steel |
| Roller Material | Chrome Steel |
| Cage Material | Pin-Type |
| Dynamic Radial Rating(One Row 90 Million Revolutions) | 264000 lbf |
| Dynamic Thrust Rating(90 Million Revolutions) | 150000 lbf |
| Dynamic Radial Rating(Two Row 90 Million Revolutions) | 460000 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 | 1059.70 lb |
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