Bearings, units and housings -- Bearing housings -- Split pillow blocks, SAF and SAW series (inch dimensions) -- SAF and SAW pillow blocks with bearings with a cylindrical bore -- SKF SAF 1220
SAF 1220
Dimensions
| da | 100 | mm | |
| db | 114.3 | mm | |
| dc | 96.838 | mm | |
| Da | 180 | mm | |
| Ca | 55.804 | mm | |
| A1 | 111.125 | mm | |
| A2 | 155.575 | mm | |
| ba | 38.894 | mm | |
| H | 217.488 | mm | |
| H1 | 114.3 | mm | |
| H2 | 44.45 | mm | |
| J | min. | 295.275 | mm |
| J | max. | 333.375 | mm |
| L | 387.35 | mm | |
| N1 | 25.4 | mm | |
| Threaded holes | |||
| R1 | 58.737 | mm | |
| R2 | 30.163 | mm | |
| RG | 3/8 NPT | ||
| PG | 1/4 NPT | ||
| Oil level | |||
| h | 42.069 | mm | |
Included products
Associated products
| End plug (suffix Y) |
EPR 15
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Speed ratings
| Bearing limiting speed | 3400 | r/min |
Recommended safe loads
| P60° | 136 | kN | |
| P90° | 81.4 | kN | |
| P120° | 50.7 | kN | |
| P150° | 46.3 | kN | |
| P180° | 55.6 | kN | |
| Pa | 36 | kN |
Mass
| Mass pillow block | 26.8 | kg |
Mounting information
| Cap bolt |
2 x 3/4-10 UNC
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| Cap bolt recommended tightening torque | 359.3 | N·m | ||
| Cap bolt, SAE grade | 5 | |||
| Appropriate attachment bolt size | G | 0.875 | in | |
| Initial grease fill | 365.71 | g | ||