QMPF20J312S产品参数
| 参数 | 数据 | 说明 |
|---|---|---|
| Engineering Group | Mounted Bearing | |
| Bearing Number | 22220 | |
| Shaft Size | 3-3/4 in | |
| Shaft Size Type | Imperial | |
| Weight | 67 lb | |
| Weight | 30.4 Kg | |
| Locking Style | Eccentric | |
| Full Timken Part Number | QMPF20J312S QMPF20J312SB QMPF20J312SC QMPF20J312SEB QMPF20J312SEC QMPF20J312SEM QMPF20J312SEN QMPF20J312SEO QMPF20J312SET QMPF20J312SM QMPF20J312SN QMPF20J312SO QMPF20J312ST | |
| Housing Style | Four-Bolt Pillow | |
| Dimension A | 4.2500 in | |
| Dimension A | 108.0 mm | |
| Dimension B | 8.78 in | |
| Dimension B | 223.0 mm | |
| Dimension C | 6.00 in | |
| Dimension C | 152.4 mm | |
| Dimension D Max | 13.38 in | |
| Dimension D Max | 339.9 mm | |
| Dimension D Min | 10.88 in | |
| Dimension D Min | 276.4 mm | |
| Dimension E | 2.25 in | |
| Dimension E | 57.2 mm | |
| Dimension F | 14.88 in | |
| Dimension F | 378.0 mm | |
| Dimension G | 4.31 in | |
| Dimension G | 109.5 mm | |
| Dimension H | 1.40 in | |
| Dimension H | 35.6 mm | |
| Dimension J (Bolt Size) | 0.750 in | |
| Dimension J (Bolt Size) | 20 mm | |
| Dimension K | 1.63 in | |
| Dimension K | 41.4 mm | |
| Dimension L | 5.13 in | |
| Dimension L | 130.3 mm | |
| Dimension M | 2.96 in | |
| Dimension M | 75.2 mm | |
| Dimension R | 0.36 in | |
| Dimension R | 9.1 mm | |
| Dimension S | 4.59 in | |
| Dimension S | 116.6 mm | |
| C - Dynamic Load (Basic) | 97700 lb | |
| C - Dynamic Load (Basic) | 435 kN | |
| C0 - Static Load | 113000 lb | |
| C0 - Static Load | 502 kN | |
| e - Geometry Factor | 0.24 | |
| Y1 - Geometry Factor | 2.85 | |
| Y2 - Geometry Factor | 4.24 | |
| Oil Lubrication - M/N Seal | 1200 rpm | |
| Oil Lubrication - T Seal | 2000 rpm | |
| Oil Lubrication - B/C/O Seal | 900 rpm | |
| Grease Lubrication - M/N Seal | 1200 rpm | |
| Grease Lubrication - T Seal | 1600 rpm | |
| Grease Lubrication - B/C/O Seal | 900 rpm | |
| Float | 0.083 in | |
| Float | 2.108 mm | |
| Shaft Tolerance | 0.0030 in | |
| Shaft Tolerance | 0.076 mm | |
| Eng Internal Radial Clearance - Min | 0.0030 | |
| Eng Internal Radial Clearance - Max | 0.0047 | |
| Pre Install Clearance Min | 0.0030 in | |
| Pre Install Clearance Min | 0.075 mm | |
| Pre Install Clearance Max | 0.0047 in | |
| Pre Install Clearance Max | 0.120 mm |
