On request
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BOSTON GEAR (ALTRA)
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BOSTON GEAR (ALTRA) SF-2-1/4
#SF-2-1/4
On request
SF-2 1/4
Manufacturer descriptionFlange-Mount Ball Bearing Unit - Four-Bolt Flange, 2.2500 in Bore, Cast Iron Housing, Standard Duty, Set Screw Locking, Contact with Flinger
Price on request — a consultant will confirm lead time and terms.
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Specifications
| Brand | BOSTON GEAR (ALTRA) |
| Category | FLANGE-MOUNT BALL BEARING UNITS |
| Bore diameter | 2.25 in |
| Seal type | Contact with Flinger |
| Bolt center-to-center length | 5.625 in |
| Length through bore | 2-29/32 in |
| Overall length/diameter | 6.875 in |
| Operating temperature range | Maximum of +225 °F |
| Bore type | Round |
| Finish/coating | Uncoated |
| Duty type | Standard Duty |
| Bolt size | 5/8 in |
| Mounting type | Four-Bolt Flange |
| Maximum rpm | 2500 RPM |
| Housing material | Cast Iron |
| Lubrication type | Lubrication Fitting |
| Locking device | Set Screw |
| Series | SF |
| Expansion type | Non-Expansion Bearing (Fixed) |
| Replacement bearing | NBG25-2-1/4 |
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