SKF NKI 12/20 cylindrical roller bearings
SKF NKI 12/20 cylindrical roller bearings manufacturer and global supplier of reliable ball and roller … SKF NKI 12/20 cylindrical roller bearings Industries Products 55452D Cup Part Number Manufacturing & Engineering and Agricultural Bearings designed to meet the unique 55000 Series requirements of our targeted industries.
| Series | 55000 |
| Cone Part Number | 55196 |
| Cup Part Number | 55452D |
| Design Units | Imperial |
| Bearing Weight | 5.95 lb |
| Cage Type | Stamped Steel |
| Ab – Cage-Cone Frontface Clearance | 0.16 in |
| d | 1.9675 in |
| D | 4.5268 in |
| B – Cone Width | 1.0594 in |
| C – Double Cup Width | 1.7500 in |
| T – Bearing Width across Cones | 2.5623 in |
| R – Cone Backface To Clear Radius1 | 0.14 in |
| r – Cup Frontface To Clear Radius2 | 0.03 in |
| db – Cone Backface Backing Diameter | 2.8 in |
| Da – Cup Frontface Backing Diameter | 4.18 in |
| Aa – Cage-Cone Backface Clearance | 0.16 in |
| C90 – Dynamic Radial Rating (One-Row, 90 million revolutions)3 | 7350 lbf |
| C1 – Dynamic Radial Rating (Two-Row, 1 million revolutions)4 | 49400 lbf |
| C90(2) – Dynamic Radial Rating (Two-Row, 90 million revolutions)5 | 12800 lbf |
| Ca90 – Dynamic Thrust Rating (90 million revolutions)6 | 11100 lbf |
| K – Factor7 | 0.66 |
| e – ISO Factor8 | 0.88 |
| Y1 – ISO Factor9 | 0.76 |
| Y2 – ISO Factor10 | 1.14 |
| G1 – Heat Generation Factor (Roller-Raceway)11 | 36.8 |
| G2 – Heat Generation Factor (Rib-Roller End) | 13.2 |
| Cg – Geometry Factor12 | 0.109 |
Detailed Parameters
parameter：
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