180FC12884 KOYO Four-row cylindrical roller bearings
| Brand Name: |
KOYO |
| Model Number: |
180FC12884 |
| Series: |
HM259000 |
| Cone Part Number: |
HM259048 |
| Cup Part Number: |
HM259010 |
| Design Units: |
Imperial |
| Bearing Weight: |
40.60 Kg |
| Cage Type: |
Stamped Steel |
| d: |
317.500 mm |
| D: |
447.675 mm |
Product Details
| Series |
HM259000 |
| Cone Part Number |
HM259048 |
| Cup Part Number |
HM259010 |
| Design Units |
Imperial |
| Bearing Weight |
40.60 Kg |
| Cage Type |
Stamped Steel |
| d |
317.500 mm |
| D |
447.675 mm |
| B - Cone Width |
85.725 mm |
| C - Cup Width |
68.263 mm |
| B |
85.725 mm |
| R - Cone Backface To Clear Radius1 |
3.560 mm |
| r - Cup Backface To Clear Radius2 |
3.30 mm |
| da - Cone Frontface Backing Diameter |
337.06 mm |
| db - Cone Backface Backing Diameter |
341.12 mm |
| Da - Cup Frontface Backing Diameter |
427.99 mm |
| Db - Cup Backface Backing Diameter |
418.08 mm |
| Ab - Cage-Cone Frontface Clearance |
5.1 mm |
| Aa - Cage-Cone Backface Clearance |
5.3 mm |
| a - Effective Center Location3 |
-4.8 mm |
| C90 - Dynamic Radial Rating (90 million revolutions)4 |
98500 lbf |
| C1 - Dynamic Radial Rating (1 million revolutions)5 |
380000 lbf |
| C0 - Static Radial Rating |
628000 lbf |
| Ca90 - Dynamic Thrust Rating (90 million revolutions)6 |
56500 lbf |
| K - Factor7 |
1.74 |
| e - ISO Factor8 |
0.33 |
| Y - ISO Factor9 |
1.79 |
| G1 - Heat Generation Factor (Roller-Raceway) |
2710 |
| G2 - Heat Generation Factor (Rib-Roller End) |
281 |
| Cg - Geometry Factor |
0.181 |