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NSK 4-bolt flange mounted bearing · NSK UKFL309D1;HA2309
Flange bearing 4 holes NSK UKFL309D1;HA2309

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Flange bearing 4 holes NSK UKFL309D1;HA2309

Manufacturer Part Number
UKFL309D1;HA2309
Brand
NSKBrand we market
Category
Bearing housings
Subcategory
Y-bearing unit
Series
UKFL

NSK

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Description

NSK UKFL309D1;HA2309 is a reference of flange bearing 4 holes, within Bearing housings. Request a quote for UKFL309D1;HA2309 via WhatsApp or email with the quantity you need; we respond promptly with the quote and equivalents.

The UKFL housing with NSK insert bearing is a four-bolt flange unit that combines a cast iron housing with a UK series insert bearing. It is mounted on shafts by means of an adapter sleeve, which simplifies adjustment and allows moderate radial and axial loads to be transmitted. It is used in drive, conveying and process equipment where firm fastening and simple mounting are required. MR Accesorios Industriales sells it in Buenos Aires, Argentina.

The UKFL designation reads as a flange unit with a UK series insert bearing. The letters UK identify the bearing with tapered adapter sleeve, FL indicates the four-bolt square flange and the number that follows —209, 210, 211, 213, 215, 216, 309, 310— indicates the shaft diameter for which the unit is intended. The D1 suffix corresponds to the insert design, and the accompanying HA code —HA2309, HA2310, HA2311, HA2313, HA2315, HA2316— identifies the adapter sleeve that completes the mounting on the shaft.

These units are used in belt conveyors, elevators, mixers, fans, pumps and agricultural or food machinery. In the Argentine market they appear in milling plants, meat processing plants, water treatment plants and packaging lines, where the four-bolt flange makes anchoring to metal structures or masonry easier. The combination with an adapter sleeve allows mounting on shafts without machined shoulders, which is useful in existing equipment or in repairs where the shaft is already in service.

To select the unit, take into account the shaft diameter, the type of load and the environmental conditions. The insert seal defines protection against dust and moisture: choose the right design if the equipment works outdoors or with frequent washdowns. The HA sleeve is tightened with a precision nut; check the flange alignment and axial clearance before start-up. The insert is lubricated through the built-in grease fitting, at the frequency indicated by the manufacturer according to speed and operating temperature.

UKFL units from different brands share standardized flange dimensions and shaft diameters, so they are usually interchangeable between manufacturers. If you are replacing an existing unit, compare the hole spacing, the flange diameter and the sleeve type. To identify a part without a part number, the main dimensions and a photo are enough. At MR Accesorios Industriales we quote the exact part number or size you need, and if the equipment requires a variant, we handle it with the manufacturer.

If you already have the unit's part number —for example, UKFL210D1 with sleeve HA2310—, send it by WhatsApp to MR Accesorios Industriales and we will quote it promptly. You can also ask about other sizes in the UKFL series or equivalent units from other brands. With more than 80 years in the business, at MR Accesorios Industriales we handle technical and commercial inquiries for housings and insert bearings for the entire Argentine industry.

Dimensions

Eje o agujero
1-7/16 in

Frequently Asked Questions

What does the UKFL designation mean on a housing with bearing?
UKFL identifies a four-bolt flange unit with a UK series insert bearing, which is fixed to the shaft by means of a tapered adapter sleeve. The number that follows indicates the shaft diameter, and the D1 suffix corresponds to the insert design. The accompanying HA code identifies the sleeve.
How is a UKFL housing with HA sleeve mounted?
The sleeve is placed on the shaft, the insert bearing is inserted and the sleeve nut is tightened with the right wrench until the recommended torque is reached. Then the flange is fastened to the structure with the four bolts, checking alignment and axial clearance before start-up.
What applications does this housing have in Argentine industry?
It is used in conveyors, elevators, mixers, fans and pumps, among other equipment. In milling plants, meat processing plants, water treatment and packaging plants, the four-bolt flange allows firm anchoring and the sleeve makes mounting on existing shafts without machining easier.
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