1.772 Inch | 45 Millimeter x 3.937 Inch | 100 Millimeter x 0.984 Inch | 25 Millimeter SKF NJ 309 ECJ/C3 Cylindrical Roller Bearings
LET 7500 rpm Oil Speed Rating n2 OUR 1.772 Inch | 45 Millimeter x 3.937 Inch | 100 Millimeter x 0.984 Inch | 25 Millimeter SKF NJ 309 ECJ/C3 Cylindrical Roller Bearings 1.772 Inch | 45 Millimeter x 3.937 Inch | 100 Millimeter x 0.984 Inch | 25 Millimeter EXPERTS GET YOU THE PARTS YOU NEED.
What is NJ 309 ECJ/C3 bearing interchange？
| Brand Name: | SKF |
| Model Number: | NJ 309 ECJ/C3 |
| Series: | 28000 |
| Cone Part Number: | 28150 |
| Cup Part Number: | 28317 |
| Design Units: | Imperial |
| Bearing Weight: | 0.5 Kg |
| Cage Type: | Stamped Steel |
| d: | 38.1 mm |
| D: | 80.035 mm |
| PDF |
NJ 309 ECJ/C3 |
Product Details
| Series | 28000 |
| Cone Part Number | 28150 |
| Cup Part Number | 28317 |
| Design Units | Imperial |
| Bearing Weight | 0.5 Kg |
| Cage Type | Stamped Steel |
| d | 38.1 mm |
| D | 80.035 mm |
| B - Cone Width | 20.940 mm |
| C - Cup Width | 15.875 mm |
| B | 21.435 mm |
| R - Cone Backface To Clear Radius1 | 1.520 mm |
| r - Cup Backface To Clear Radius2 | 1.52 mm |
| da - Cone Frontface Backing Diameter | 43.43 mm |
| db - Cone Backface Backing Diameter | 45.47 mm |
| Da - Cup Frontface Backing Diameter | 73.90 mm |
| Db - Cup Backface Backing Diameter | 69.09 mm |
| Ab - Cage-Cone Frontface Clearance | 1.8 mm |
| Aa - Cage-Cone Backface Clearance | 1.5 mm |
| a - Effective Center Location3 | -4.8 mm |
| C90 - Dynamic Radial Rating (90 million revolutions)4 | 4390 lbf |
| C1 - Dynamic Radial Rating (1 million revolutions)5 | 16900 lbf |
| C0 - Static Radial Rating | 15500 lbf |
| Ca90 - Dynamic Thrust Rating (90 million revolutions)6 | 3020 lbf |
| K - Factor7 | 1.45 |
| e - ISO Factor8 | 0.4 |
| Y - ISO Factor9 | 1.49 |
| G1 - Heat Generation Factor (Roller-Raceway) | 20.7 |
| G2 - Heat Generation Factor (Rib-Roller End) | 12.5 |
| Cg - Geometry Factor | 0.0709 |
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