220 mm x 400 mm x 65 mm KOYO NF244 Cylindrical roller bearings
| Brand Name |
KOYO |
| Model Number |
NF244 |
| Min.Order Quantity |
1 pcs |
| Price |
Negotiable |
Product Features
KOYO NF244 bearing Size Chart (mm/inches) |
|---|
| Series | 02400 |
| Cone Part Number | 02473X |
| Cup Part Number | 02421 |
| Design Units | Imperial |
| Bearing Weight | 0.4 Kg |
| Cage Type | Stamped Steel |
| d | 27.988 mm |
| D | 68.263 mm |
| B - Cone Width | 20.500 mm |
| C - Cup Width | 17.463 mm |
| B | 22.228 mm |
| R - Cone Backface To Clear Radius1 | 0.760 mm |
| r - Cup Backface To Clear Radius2 | 0.76 mm |
| da - Cone Frontface Backing Diameter | 35.56 mm |
| db - Cone Backface Backing Diameter | 36.58 mm |
| Da - Cup Frontface Backing Diameter | 63.00 mm |
| Db - Cup Backface Backing Diameter | 58.93 mm |
| Ab - Cage-Cone Frontface Clearance | 3.3 mm |
| Aa - Cage-Cone Backface Clearance | 0.8 mm |
| a - Effective Center Location3 | -5.1 mm |
| C90 - Dynamic Radial Rating (90 million revolutions)4 | 3720 lbf |
| C1 - Dynamic Radial Rating (1 million revolutions)5 | 14300 lbf |
| C0 - Static Radial Rating | 15800 lbf |
| Ca90 - Dynamic Thrust Rating (90 million revolutions)6 | 2650 lbf |
| K - Factor7 | 1.4 |
| e - ISO Factor8 | 0.42 |
| Y - ISO Factor9 | 1.44 |
| G1 - Heat Generation Factor (Roller-Raceway) | 17.5 |
| G2 - Heat Generation Factor (Rib-Roller End) | 8.5 |
| Cg - Geometry Factor | 0.0681 |