FYH Cast iron 4-bolt flange housing
Available
FYH F300 is a cast iron square 4-bolt flange bearing housing in the heavy duty range. Select the housing from the drop-down; each size has its own dimension set in the Model Details. These 4-bolt flange housings are supplied without an insert bearing. A complete unit such as UCF314 is the F314 housing fitted with a UC314 insert bearing, which is ordered separately (see Related products).
Where this product is used
- Machine frames and walls with a flat mounting face
- Conveyors and drives
- Fans and blowers
- General industrial machinery
Features
- Cast iron housing, 300 series (diameter series code 3, heavy duty)
- Insert bearings for these housings: UC (set screw) in all sizes, UK (tapered bore, adapter sleeve) in 18 of 19 sizes
- Housing numbers: F305 to F328 (19 sizes)
- Shaft diameter, metric: 25 to 140mm
Key specifications
| Specification | Detail |
|---|---|
| Product type | Bearing housing (housing only, insert bearing ordered separately) |
| Housing numbers | F305 to F328 (19 sizes) |
| Series | 300 series (diameter series code 3, heavy duty) |
| Housing material | Cast iron |
| Shaft diameter, metric | 25 to 140mm |
| Shaft diameter, inch | 1 to 4" (9 of 19 housings are metric bore only) |
| Insert bearings | UC (set screw) in all sizes, UK (tapered bore, adapter sleeve) in 18 of 19 sizes |
| Mounting bolt size | M14 to M36 |
| Overall side length L (mm) | 110 to 450 |
| Bolt hole spacing J (mm) | 80 to 350 |
| Bolt hole diameter N (mm) | 16 to 41 |
| Dimension A (mm) | 29 to 125 |
| Brand | FYH (FYH Inc., Japan) |
Fitting and use
The housing is supplied without an insert bearing. Order the insert separately and lock it to the shaft in the way its own type requires: a UC insert locks to the shaft with two set screws; a UK insert is a tapered bore insert that mounts on the shaft with an adapter sleeve.
Mount the flange against a flat, rigid face and use the bolt size and bolt hole spacing J shown for the size. J is the bolt hole spacing and N the bolt hole diameter.
Choosing the right option
Match the housing to the insert bearing and the shaft. For example F314 takes UC314 on a 70mm shaft.
Choose the metric size for a metric shaft; for an inch shaft pick the same housing and order the insert with the matching dash number (for example UC314-44). Sizes without an inch bore in the unit tables: F306, F307, F310, F316, F317, F322, F324, F326, F328.
The Bolt Size option is the mounting bolt for the housing unit tables (inch equivalent in the Model Details).
Not sure which insert or housing suits your shaft?
See also: UC300 metric set screw insert bearings, UC300 inch set screw insert bearings, UK300 tapered bore insert bearings, F200 square 4-bolt flange housings.
| Option | Part number | SKU |
|---|---|---|
| M14 / 25mm (1") | A0202680 | |
| M14 / 30mm | A0202681 | |
| M16 / 35mm | A0202682 | |
| M16 / 40mm (1 1/2") | A0202683 | |
| M16 / 45mm (1 3/4") | A0202684 | |
| M20 / 50mm | A0202685 | |
| M20 / 55mm (2, 2 3/16") | A0202686 | |
| M20 / 60mm (2 7/16") | A0202687 | |
| M20 / 65mm (2 1/2") | A0202688 | |
| M22 / 70mm (2 3/4") | A0202689 | |
| M22 / 75mm (2 15/16 - 3") | A0202690 | |
| M27 / 80mm | A0202691 | |
| M27 / 85mm | A0202692 | |
| M30 / 90mm (3 1/2") | A0202693 | |
| M33 / 100mm (3 15/16 - 4") | A0202694 | |
| M36 / 110mm | A0202695 | |
| M36 / 120mm | A0202696 | |
| M36 / 130mm | A0202697 | |
| M36 / 140mm | A0202698 |
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FYH F300 Heavy Duty Square 4-Bolt Flange Bearing Housing, F305 to F328, Cast Iron: M33 / 100mm (3 15/16 - 4")
SKU: A0202694 | Model: F320/FYH
FYH F320 square 4-bolt flange bearing housing for UC320 inserts, 100mm (3 15/16 to 4") shaft. L 310, J 242mm.
