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BGL lock nuts

A BGL lock nut is a component of the axial positioning of a bearing or sleeve. The thread narrows the possible family, but outside diameter, width and the method of retaining position also matter. BGL lists several nut series; they should not all be treated as one part enlarged to different sizes. Selection must respect the equipment's locking arrangement and the components working alongside it.

See all BGL bushings and sleeves references →BGL guide →Lock nuts from all brands →BGL adapter sleeves →BGL hydraulic sleeves →

Identifying the designation

KM0, KMT0 and HMZ18 have distinct prefixes followed by numbers. KM and KMT are not interchangeable abbreviations: retain the T when present. The whole HMZ letter block identifies another catalog series. This structure helps locate the part, but cannot assign thread diameter or pitch without a table or measurement. Nor should nuts sharing a number be assumed to use identical locking methods.

Application and machine position

At a pump shaft end, on a roller or inside a housing, the nut may sit next to a cover, spacer or washer. Check tool access and its seating face. If the mounting uses a separate antirotation element, record it with the nut. Photographs should show any screws or other visible details. Identifying only the outside outline can conceal the decisive replacement difference.

Information for a quote

Request a quote from MR Accesorios Industriales with the full code, thread diameter and pitch, width and photographs of both faces. State application, quantity and the part receiving the thread. Identify the washer or sleeve when present. If the thread is damaged, explain which measurements were taken on an intact area.

Will a nut with the same outside diameter work?

That dimension does not define the thread or locking arrangement. Check the thread, seating face and associated assembly.

Is the washer part of this identification?

The washer is a separate component. State whether both parts or only the nut are required.

What if the code is unreadable?

Record dimensions and the geometry of faces, slots and locking details. An original assembly photograph helps explain how the part worked.

Products 401 results

Can't find the exact model? Write to us with the part number or model you're looking for: we'll find it and quote it, even if it's not listed in the catalog.

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Main series

BGL HMZ Lock Nut

The BGL HMZ series lock nut is a key accessory for mounting bearings, gears and pulleys on shafts. It is used together with adapter sleeves and locked with an MB lock washer or MS lock to prevent it from loosening. Made of nodular cast iron, it offers smoother tightening and reduces the risk of seizing during disassembly. Available in carbon steel or stainless steel, depending on the application. MR Accesorios Industriales sells it in Buenos Aires, Argentina.

Some codes:HMZ18HMZ19HMZ20HMZ21HMZ22

BGL HM Lock Nuts

BGL HM series lock nuts are essential accessories for mounting bearings, gears and pulleys on shafts. They are used together with adapter sleeves and locked with an MB lock washer or MS safety lock, ensuring firm and reliable fastening. Manufactured in nodular cast iron, they offer smooth tightening and reduce the risk of seizing during disassembly. MR Accesorios Industriales sells them in Buenos Aires, Argentina.

Some codes:HM30/500HM30/530HM30/560HM30/570HM30/600

BGL KM Series Lock Nuts

BGL KM series lock nuts are precision accessories that secure adapter sleeves, bearings, gears and pulleys on the shaft. Their nodular cast iron design allows firm tightening with less effort and reduces the risk of seizing during removal. They are combined with MB washers or MS locks for positive locking. MR Accesorios Industriales sells them in Buenos Aires, Argentina.

Some codes:KM0KM1KM2KM3KM4

Send us the BGL part number

Just the manufacturer part number is enough: we will quote it and provide dimensions and equivalents via WhatsApp or email.

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