Find a Service Center
- ISAF Series 4-Bolt Cast Iron Pillow Block
- 4 15/16" Shaft
- 6" Base to Center
- 15 5/8" - 17 3/8" Bolt Spacing
- Adapter Mounted Spherical Roller Bearing
features
- Interchangeable with SAF style pillow blocks
- Patented adapter mounting system
- Easy installation – no feeler gauges needed
- Easy removal – no torches, sledge hammers or special tools needed
- Up to ±1° misalignment capability
- Seal land on O.D. of inner ring maintains full contact pressure even with misaligned condition
- High capacity double row spherical bearing
| Bolt Hole Spacing - Width | 3.375 in |
| Inch/Metric | Inch |
| Pillow Block Type | Thru-Bolt |
| Bolt Hole Length | 2 in |
| Misalignment Range | ±1° |
| Bearing Design | Expansion |
| Housing Material | Cast Iron |
| Bolt Holes | 4 |
| Series | ISAF |
| Housing Height | 12 13/32 in |
| Locking Device | Adapter Mounted |
| Bolt Size | 1 in |
| Base Length | 19 45/64 in |
| Static Load Rating [Max] | 196000 lbf |
| Bolt Hole Spacing Range [Max] | 17 3/8 in |
| Base Width | 5 7/8 in |
| Dynamic Load Rating | 146000 lbf |
| Insert Type | Steel Insert |
| Seal Type | Labyrinth Metallic Seals |
| Center of Bearing to Front of Inner Ring | 3 11/16 in |
| Length Through Bore | 5.98438 in |
| End Type | Open End |
| SAF Series | 528 |
| Bearing Type | Spherical Roller Bearing |
| Base Height | 2 1/16 in |
| Shaft Dia. | 4.9375 in |
| Housing Construction | 2 Piece |
| Bolt Hole Spacing | 16 1/2 in |
| Bearing Insert | 22226 |
| Lubrication | Relubricatable |
| Total Float | 3/8 in |
| Collar O.D. | 7 5/8 in |
| RPM [Max] | 1800 rpm |
| Mounted Unit Duty | Heavy-Duty |
| Weight | 180.0 LB |
| EAN or UPC | 782475311224 |
