1.125 Inch | 28.575 Millimeter x 1.22 Inch | 31 Millimeter x 1.688 Inch | 42.875 Millimeter HUB CITY PB251N X 1-1/8 Pillow Block Bearings
| Brand Name |
HUB CITY |
| Model Number |
PB251N X 1-1/8 |
| Min.Order Quantity |
1 pcs |
| Price |
Negotiable |
Product Features
HUB CITY PB251N X 1-1/8 bearing Size Chart (mm/inches) |
|---|
| Series | HM237500 |
| Cone Part Number | HM237542H |
| Cup Part Number | HM237513 |
| Design Units | Imperial |
| Bearing Weight | 15.900 Kg |
| Cage Type | Stamped Steel |
| d | 174.625 mm |
| D | 289.974 mm |
| B - Cone Width | 63.5 mm |
| C - Cup Width | 48.001 mm |
| B | 63.503 mm |
| R - Cone Backface To Clear Radius1 | 7.110 mm |
| r - Cup Backface To Clear Radius2 | 3.05 mm |
| da - Cone Frontface Backing Diameter | 192.02 mm |
| db - Cone Backface Backing Diameter | 202.95 mm |
| Da - Cup Frontface Backing Diameter | 272.00 mm |
| Db - Cup Backface Backing Diameter | 266.95 mm |
| Ab - Cage-Cone Frontface Clearance | 5.1 mm |
| Aa - Cage-Cone Backface Clearance | 5.1 mm |
| a - Effective Center Location3 | -11.7 mm |
| C90 - Dynamic Radial Rating (90 million revolutions)4 | 56900 lbf |
| C1 - Dynamic Radial Rating (1 million revolutions)5 | 219000 lbf |
| C0 - Static Radial Rating | 278000 lbf |
| Ca90 - Dynamic Thrust Rating (90 million revolutions)6 | 31100 lbf |
| K - Factor7 | 1.83 |
| e - ISO Factor8 | 0.32 |
| Y - ISO Factor9 | 1.88 |
| G1 - Heat Generation Factor (Roller-Raceway) | 751.2 |
| G2 - Heat Generation Factor (Rib-Roller End) | 101.5 |
| Cg - Geometry Factor | 0.117 |