| Actual Bolt Center to Center | 0 Inch | 0Millimeter | 
| Base to Center Height | 7.063 Inch | 179.4 Millimeter | 
| Bolt Spacing Maximum | 21.75 Inch | 552.45Millimeter | 
| Bolt Spacing Minimum | 19.25 Inch | 488.95Millimeter | 
| Brand, Manufacturer Name | QM INDUSTRIES | 
| Category | Pillow Block Bearings | 
| Expansion / Non-expansion | Expansion | 
| Global Part Number GPN | 510345 | 
| Harmonized Tariff Code | 8483.20.40.80 | 
| Housing Configuration | 1 Piece Solid | 
| Housing Material | Cast Steel | 
| Housing Style | 4 Bolt Pillow Block | 
| Inch - Metric | Inch | 
| Insert Part Number | 23230 | 
| Length Thru Bore | 7.56 Inch | 192.024 Millimeter | 
| Mounting Bolts | 1-1/8 Inch | 
| Mounting Method | Eccentric Collar | 
| Nominal Bolt Center to Center | 20.5 Inch | 520.7 Millimeter | 
| Number of Mounting Holes | 4 | 
| Other Features | Double Row | 
| price | $ 4,919.81 / each | 
| Relubricatable | Yes | 
| Seals | Double Lip Nitrile Rubber | 
| title | QMPX30J515SEB | 
| UNSPSC | 31171511 | 
| Weight / LBS | 250 |