NN3048 KOYO Double-row cylindrical roller bearings
| Brand Name: | KOYO |
| Model Number: | NN3048 |
| Series: | LM48500 |
| Cone Part Number: | LM48549X |
| Cup Part Number: | LM48511 |
| Design Units: | Imperial |
| Bearing Weight: | 0.30 Kg |
| Cage Type: | Stamped Steel |
| d: | 34.925 mm |
| D: | 65.088 mm |
| PDF |
NN3048 |
Product Details
| Series | LM48500 |
| Cone Part Number | LM48549X |
| Cup Part Number | LM48511 |
| Design Units | Imperial |
| Bearing Weight | 0.30 Kg |
| Cage Type | Stamped Steel |
| d | 34.925 mm |
| D | 65.088 mm |
| B - Cone Width | 18.288 mm |
| C - Cup Width | 16.256 mm |
| B | 20.323 mm |
| R - Cone Backface To Clear Radius1 | 2.290 mm |
| r - Cup Backface To Clear Radius2 | 1.27 mm |
| da - Cone Frontface Backing Diameter | 39.88 mm |
| db - Cone Backface Backing Diameter | 43.43 mm |
| Da - Cup Frontface Backing Diameter | 61.00 mm |
| Db - Cup Backface Backing Diameter | 57.91 mm |
| Ab - Cage-Cone Frontface Clearance | 2 mm |
| Aa - Cage-Cone Backface Clearance | 0.3 mm |
| a - Effective Center Location3 | -3.6 mm |
| C90 - Dynamic Radial Rating (90 million revolutions)4 | 3760 lbf |
| C1 - Dynamic Radial Rating (1 million revolutions)5 | 14500 lbf |
| C0 - Static Radial Rating | 14200 lbf |
| Ca90 - Dynamic Thrust Rating (90 million revolutions)6 | 2430 lbf |
| K - Factor7 | 1.55 |
| e - ISO Factor8 | 0.38 |
| Y - ISO Factor9 | 1.59 |
| G1 - Heat Generation Factor (Roller-Raceway) | 18 |
| G2 - Heat Generation Factor (Rib-Roller End) | 10.6 |
| Cg - Geometry Factor | 0.0666 |
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