Find a Service Center
- ISAF Series 4-Bolt Cast Iron Pillow Block
- 7" Shaft
- 7 7/8" Base to Center
- 21 5/8" - 24 3/8" Bolt Spacing
- Adapter Mounted Spherical Roller Bearing
features
- Patented mounting system uses a thin wall push-pull adapter for a concentric grip
- Superior holding power reduces fretting corrosion caused by vibration
- Trident triple-lip, nitrile rubber contact seal for protection against contaminants
- Pantented Safety Mount system mounts/dismounts in 75% less time than traditional SAF-style bearings
- Machined to accept Dodge OPTIFY™ sensors for bluetooth-enabled condition monitoring
| Housing Material | Cast Iron |
| Shaft Dia. | 7 in |
| Housing Construction | 2 Piece |
| Total Float | 3/8 in |
| Bolt Hole Spacing Range [Min] | 21 5/8 in |
| Bolt Hole Spacing | 23 in |
| Bolt Hole Length | 2 3/4 in |
| Pillow Block Type | Thru-Bolt |
| Misalignment Range | ±1° |
| Length Through Bore | 7 25/64 in |
| Bolt Holes | 4 |
| Bolt Hole Spacing Range [Max] | 24 3/8 in |
| SAF Series | 538 |
| Bearing Type | Spherical Roller Bearing |
| Dynamic Load Rating | 260,000.00 lbf |
| Bearing Insert | 22236 |
| Bolt Size | 1 1/4 |
| Seal Type | TRIDENT™ Triple Lip Rubbing Seals |
| Base Width | 7 1/2 in |
| Collar O.D. | 11 13/32 in |
| Locking Device | Adapter Mounted |
| Base Length | 28 in |
| Center of Bearing to Front of Inner Ring | 4 11/32 in |
| Inch/Metric | Inch |
| Housing Height | 15 1/2 in |
| Base Height | 3 1/8 in |
| RPM [Max] | 845 rpm |
| Bolt Hole Spacing - Width | 4 1/2 in |
| Static Load Rating [Max] | 375,000.00 lbf |
| Mounted Unit Duty | Heavy-Duty |
| Bearing Design | Expansion |
| Series | ISAF |
| Insert Type | Steel Insert |
| Lubrication | Relubricatable |
| End Type | Open End |
| Weight | 450.0 LB |
| EAN or UPC | 782475223541 |
