PFI 25580/21 tapered roller bearings
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What is 25580/21 bearing interchange？
| Brand Name |
PFI |
| Model Number |
25580/21 |
| Min.Order Quantity |
1 pcs |
| Price |
Negotiable |
Product Details
| Series | 33020 |
| Cone Part Number | X33020 |
| Design Units | METRIC |
| Cage Type | Stamped Steel |
| C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1 | 98100 lbf |
| C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)2 | 25400 lbf |
| d | 100 mm |
| B - Cone Width | 39 mm |
| WPD | 142.3 mm |
| DD | 131 mm |
| R - Cone Backface To Clear Radius3 | 2.030 mm |
| da - Cone Frontface Backing Diameter | 107 mm |
| db - Cone Backface Backing Diameter | 111 mm |
| Ab - Cage-Cone Frontface Clearance | 3 mm |
| Aa - Cage-Cone Backface Clearance | 1.3 mm |
| a - Effective Center Location4 | -9.4 mm |
| C90 - Dynamic Radial Rating (90 million revolutions)5 | 65000 N |
| C1 - Dynamic Radial Rating (1 million revolutions)6 | 251000 N |
| C0 - Static Radial Rating | 393000 N |
| Ca90 - Dynamic Thrust Rating (90 million revolutions)7 | 31900 N |
| K - Factor8 | 2.03 |
| G1 - Heat Generation Factor (Roller-Raceway) | 206.3 |
| G2 - Heat Generation Factor (Rib-Roller End) | 65.1 |
| Cg - Geometry Factor | 0.0938 |
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