1.375 Inch | 34.925 Millimeter x 0 Inch | 0 Millimeter x 1.188 Inch | 30.175 Millimeter TIMKEN 3872A-2 Tapered Roller Bearings
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What is 3872A-2 bearing interchange？
| Brand Name: | TIMKEN |
| Model Number: | 3872A-2 |
| Series: | HM88600 |
| Cone Part Number: | HM88644 |
| Cup Part Number: | HM88611 |
| Design Units: | Imperial |
| Bearing Weight: | 0.6 Kg |
| Cage Type: | Stamped Steel |
| d: | 31.750 mm |
| D: | 71.973 mm |
| PDF |
3872A-2 |
Product Details
| Series | HM88600 |
| Cone Part Number | HM88644 |
| Cup Part Number | HM88611 |
| Design Units | Imperial |
| Bearing Weight | 0.6 Kg |
| Cage Type | Stamped Steel |
| d | 31.750 mm |
| D | 71.973 mm |
| B - Cone Width | 25.400 mm |
| C - Cup Width | 21.443 mm |
| B | 26.998 mm |
| R - Cone Backface To Clear Radius1 | 1.520 mm |
| r - Cup Backface To Clear Radius2 | 1.52 mm |
| da - Cone Frontface Backing Diameter | 42.42 mm |
| db - Cone Backface Backing Diameter | 44.45 mm |
| Da - Cup Frontface Backing Diameter | 68.10 mm |
| Db - Cup Backface Backing Diameter | 60.96 mm |
| Ab - Cage-Cone Frontface Clearance | 2.5 mm |
| Aa - Cage-Cone Backface Clearance | 1 mm |
| a - Effective Center Location3 | -4.6 mm |
| C90 - Dynamic Radial Rating (90 million revolutions)4 | 4480 lbf |
| C1 - Dynamic Radial Rating (1 million revolutions)5 | 17300 lbf |
| C0 - Static Radial Rating | 21200 lbf |
| Ca90 - Dynamic Thrust Rating (90 million revolutions)6 | 4180 lbf |
| K - Factor7 | 1.07 |
| e - ISO Factor8 | 0.55 |
| Y - ISO Factor9 | 1.1 |
| G1 - Heat Generation Factor (Roller-Raceway) | 23.4 |
| G2 - Heat Generation Factor (Rib-Roller End) | 9.4 |
| Cg - Geometry Factor | 0.0822 |
