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HMI Panels and PLC Modules: What They Do and How to Match a Replacement
When an HMI panel goes dark or a PLC module stops communicating, the machine it
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Torrington IR-404828 needle roller bearing inner ring, 2.500 in (63.5 mm) bore, 3.000 in OD, 1.750 in width. Hardened raceway for the HJ-486028 heavy-duty needle bearing.
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| MFR / Brand | Torrington |
|---|---|
| MPN | IR-404828 |
| Model | IR-404828 |
| Bearing Type | Needle Roller Bearing Inner Ring |
| ID | 2.500 in (63.500 mm) |
| OD | 3.000 in (76.200 mm) |
| Width | 1-3/4 in |
| Condition Note | Made In USA, New Old Stock |
|---|---|
| Condition | New – Open box |
| Base Number | IR-404828 |
| Industry Terms | needle bearing inner ring; inner race; heavy duty needle roller inner ring; hardened raceway sleeve |
| Common Misspellings | IR-40428; IR-40482; Torington IR-404828 |
| Overall Width | 1.750 in (44.45 mm) |
| Mpn Variants | IR-404828; IR404828; IR 404828; Koyo IR-404828 |
| Compatible With Replaces | Used with needle roller bearing HJ-486028 |
| Additional Attributes | Chamfer r min: 2.03 mm; Shaft Diameter Loose Transition Fit: 63.472-63.490 mm; Shaft Diameter Interference Fit: 63.510-63.523 mm |
| Item Weight | 0.463 kg (1.02 lb) |
| Design Units | Imperial |
| Cross Reference 1 | Koyo IR-404828 |
|---|
Torrington IR-404828 inner ring for heavy-duty inch-series needle roller bearings. The ring provides a hardened, ground raceway where the shaft itself is not hardened. The Torrington needle bearing line is now produced by Koyo (JTEKT) under the same IR-404828 number.
IR — inner ring for heavy-duty needle roller bearings.
40 — bore in sixteenths of an inch: 40/16 = 2.500 in.
48 — outside diameter in sixteenths of an inch: 48/16 = 3.000 in.
28 — width in sixteenths of an inch: 28/16 = 1.750 in.
Bore Diameter: 2.500 in (63.500 mm). Outside Diameter: 3.000 in (76.200 mm). Overall Width: 1.750 in (44.45 mm). Item Weight: 0.463 kg (1.02 lb). Minimum chamfer r: 2.03 mm.
The 3.000 in raceway diameter matches the bore of the HJ-486028 caged needle roller bearing, which runs directly on this ring.
Shaft diameter, loose transition fit: 63.472–63.490 mm. Shaft diameter, interference fit: 63.510–63.523 mm.
Koyo IR-404828 is the current production of the same part. Used with needle roller bearing HJ-486028.
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