| Engineering Group |
Mounted Bearing |
| Bearing Number |
22218 |
| Shaft Size |
3-1/4 in |
| Shaft Size Type |
Imperial |
| Full Timken Part Number |
QAPR18A304SB |
| Locking Style |
Single Concentric |
| Weight |
49.0 lb |
| Housing Style |
Four-Bolt Pillow Block |
| UPC Code |
0883450333726 |
| Dimension A |
3.75 in |
| Dimension B |
7.69 in |
| Dimension C |
5.13 in |
| Dimension D Max |
11.25 in |
| Dimension D Min |
9.25 in |
| Dimension E |
2.38 in |
| Dimension F |
13.63 in |
| Dimension G |
3.7500 in |
| Dimension H |
1.56 in |
| Dimension J (Bolt Size) |
0.750 in |
| Dimension KA |
1.44 in |
| Dimension L |
4.47 in |
| Dimension M |
2.59 in |
| Dimension RA |
0.31 in |
| Dimension SA |
4.03 in |
| C0 - Static Load |
87200 lb |
| C - Dynamic Load (Basic) |
79700 lb |
| e - Geometry Factor |
0.23 |
| Y1 - Geometry Factor |
2.90 |
| Y2 - Geometry Factor |
4.31 |
| Oil Lubrication - M/N Seal |
1400 rpm |
| Oil Lubrication - T Seal |
2400 rpm |
| Oil Lubrication - B/C/O Seal |
1000 rpm |
| Grease Lubrication - M/N Seal |
1400 rpm |
| Grease Lubrication - T Seal |
2000 rpm |
| Grease Lubrication - B/C/O Seal |
1000 rpm |
| Float |
0.083 in |
| Shaft Tolerance |
0.0030 in |
| Eng Internal Radial Clearance - Min |
0.0024 |
| Eng Internal Radial Clearance - Max |
0.0039 |
| Pre Install Clearance Min |
0.0024 in |
| Pre Install Clearance Max |
0.0039 in |