47.625 mm bore bearings
10 models with a 47.625 mm (1.875 in) bore across 1 bearing type, outside diameters from 88.9 to 123.825 mm. Tables are grouped by type; open a model for full specs and equivalents.
10 models 88.9–123.825 mm OD range 1 brand
| Model | Series | d (mm) | D (mm) | B (mm) | Brand | Seal | Clearance | C (kN) |
|---|---|---|---|---|---|---|---|---|
| 369A-362A | 4t-inch | 47.625 | 88.9 | 20.638 | NTN | open | CN | 85 |
| M804048-M804010 | 4t-inch | 47.625 | 88.9 | 25.4 | NTN | open | CN | 91 |
| 3778-3720 | 4t-inch | 47.625 | 93.264 | 30.162 | NTN | open | CN | 113 |
| HM804846-HM804810 | 4t-inch | 47.625 | 95.25 | 30.162 | NTN | open | CN | 120 |
| 386A-382A | 4t-inch | 47.625 | 96.838 | 21 | NTN | open | CN | 86.5 |
| 528-522 | 4t-inch | 47.625 | 101.6 | 34.925 | NTN | open | CN | 150 |
| 45282-45220 | 4t-inch | 47.625 | 104.775 | 30.162 | NTN | open | CN | 144 |
| 463-453X | 4t-inch | 47.625 | 104.775 | 30.162 | NTN | open | CN | 127 |
| 55187C-55437 | 4t-inch | 47.625 | 111.125 | 30.162 | NTN | open | CN | 115 |
| 72188C-72487 | 4t-inch | 47.625 | 123.825 | 36.512 | NTN | open | CN | 171 |
Selecting a 47.625 mm bore bearing
The bore fixes the shaft, not the bearing capacity. At 47.625 mm the catalog spans 88.9–123.825 mm outside diameter: the light sections suit compact housings and moderate duty, while the larger ODs use bigger rolling elements and carry substantially more load. Select first by the required dynamic load rating C for the calculated L10 life, then by available radial space.
For a rotating inner ring a k5 shaft seat with an H7 housing is the usual starting point; an interference fit plus thermal growth consumes internal clearance, so C3 is the common industrial default rather than CN. Sealed variants (-2RS, -ZZ) trade a small amount of speed for contamination protection and maintenance-free operation — compare the sealed and open versions of the same envelope before substituting one for the other.
Frequently asked questions
What bearings have a 47.625 mm bore?
This index lists 10 verified bearing models with a 47.625 mm (1.875 in) bore across 1 bearing type, from 88.9 to 123.825 mm outside diameter. Open any model for the full specification table, seal/clearance options and graded cross references.
How do I choose between the 88.9–123.825 mm OD options for a 47.625 mm shaft?
On a fixed 47.625 mm bore, a smaller outside diameter means a lighter section for limited housing space and moderate load; a larger OD with a wider ring carries more radial and axial load and lasts longer at the same duty. Compare the C dynamic load rating in each model table, then match seal type, internal clearance (CN/C3/C4) and precision class to the actual mounting and operating temperature.
What shaft fit and bore code apply to 47.625 mm bearings?
A 47.625 mm bore on a rotating inner ring normally uses a k5 shaft seat with an H7 housing bore (verify against the catalogue for heavy or stationary-ring duty). Bore diameters below 20 mm follow the 10/12/15/17 mm exception table rather than code × 5.