Description
Needle Bearing HK1712
Replacement for all HK1712 Needle Bearings
Also Used For Stairmaster HDT Pulley Shaft
17mm X 23mm X 12mm
Fit’s the folllowing models:
| MODEL | SERIAL NUMBER | OEM PART NUMBER |
| 4400CL | SM24747 | |
| 4400PT | SM24747 | |
| 4600CL | SM24747 | |
| 4600PT | SM24747 |
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